[{"date_created":"2019-09-10T12:48:33Z","status":"public","has_accepted_license":"1","file":[{"access_level":"closed","date_created":"2019-09-11T11:20:16Z","file_name":"main.pdf","relation":"main_file","success":1,"date_updated":"2019-09-11T11:20:16Z","content_type":"application/pdf","creator":"mfeldma2","file_id":"13188","file_size":428908}],"publication":"Proceedings of the 21st International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS)","file_date_updated":"2019-09-11T11:20:16Z","publisher":"Springer, Cham","author":[{"first_name":"Michael","full_name":"Feldmann, Michael","last_name":"Feldmann","id":"23538"},{"first_name":"Thorsten","full_name":"Götte, Thorsten","last_name":"Götte","id":"34727"},{"first_name":"Christian","full_name":"Scheideler, Christian","last_name":"Scheideler","id":"20792"}],"user_id":"23538","ddc":["000"],"abstract":[{"text":"We consider congestion control in peer-to-peer distributed systems. \r\nThe problem can be reduced to the following scenario: Consider a set $V$ of $n$ peers (called \\emph{clients} in this paper) that want to send messages to a fixed common peer (called \\emph{server} in this paper).\r\nWe assume that each client $v \\in V$ sends a message with probability $p(v) \\in [0,1)$ and the server has a capacity of $\\sigma \\in \\mathbb{N}$, i.e., it can recieve at most $\\sigma$ messages per round and excess messages are dropped.\r\nThe server can modify these probabilities when clients send messages.\r\nIdeally, we wish to converge to a state with $\\sum p(v) = \\sigma$ and $p(v) = p(w)$ for all $v,w \\in V$.\t\r\n\r\nWe propose a \\emph{loosely} self-stabilizing protocol with a slightly relaxed legitimate state. \r\nOur protocol lets the system converge from \\emph{any} initial state to a state where $\\sum p(v) \\in \\left[\\sigma \\pm \\epsilon\\right]$ and $|p(v)-p(w)| \\in O(\\frac{1}{n})$. \r\nThis property is then maintained for $\\Omega(n^{\\mathfrak{c}})$ rounds in expectation.\r\nIn particular, the initial client probabilities and server variables are not necessarily well-defined, i.e., they may have arbitrary values.\r\n\r\nOur protocol uses only $O(W + \\log n)$ bits of memory where $W$ is length of node identifiers, making it very lightweight.\r\nFinally we state a lower bound on the convergence time an see that our protocol performs asymptotically optimal (up to some polylogarithmic factor).\r\n","lang":"eng"}],"page":"149-164","year":"2019","citation":{"chicago":"Feldmann, Michael, Thorsten Götte, and Christian Scheideler. “A Loosely Self-Stabilizing Protocol for Randomized Congestion Control with Logarithmic Memory.” In Proceedings of the 21st International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS), 149–64. Lecture Notes in Computer Science. Springer, Cham, 2019. https://doi.org/10.1007/978-3-030-34992-9_13.","ama":"Feldmann M, Götte T, Scheideler C. A Loosely Self-stabilizing Protocol for Randomized Congestion Control with Logarithmic Memory. In: Proceedings of the 21st International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS). Lecture Notes in Computer Science. Springer, Cham; 2019:149-164. doi:https://doi.org/10.1007/978-3-030-34992-9_13","apa":"Feldmann, M., Götte, T., & Scheideler, C. (2019). A Loosely Self-stabilizing Protocol for Randomized Congestion Control with Logarithmic Memory. In Proceedings of the 21st International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS) (pp. 149–164). Springer, Cham. https://doi.org/10.1007/978-3-030-34992-9_13","bibtex":"@inproceedings{Feldmann_Götte_Scheideler_2019, series={Lecture Notes in Computer Science}, title={A Loosely Self-stabilizing Protocol for Randomized Congestion Control with Logarithmic Memory}, DOI={https://doi.org/10.1007/978-3-030-34992-9_13}, booktitle={Proceedings of the 21st International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS)}, publisher={Springer, Cham}, author={Feldmann, Michael and Götte, Thorsten and Scheideler, Christian}, year={2019}, pages={149–164}, collection={Lecture Notes in Computer Science} }","mla":"Feldmann, Michael, et al. “A Loosely Self-Stabilizing Protocol for Randomized Congestion Control with Logarithmic Memory.” Proceedings of the 21st International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS), Springer, Cham, 2019, pp. 149–64, doi:https://doi.org/10.1007/978-3-030-34992-9_13.","short":"M. Feldmann, T. Götte, C. Scheideler, in: Proceedings of the 21st International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS), Springer, Cham, 2019, pp. 149–164.","ieee":"M. Feldmann, T. Götte, and C. Scheideler, “A Loosely Self-stabilizing Protocol for Randomized Congestion Control with Logarithmic Memory,” in Proceedings of the 21st International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS), 2019, pp. 149–164."},"type":"conference","_id":"13182","project":[{"_id":"2","name":"SFB 901 - Project Area A"},{"_id":"5","name":"SFB 901 - Subproject A1"},{"name":"SFB 901","_id":"1"}],"department":[{"_id":"79"}],"title":"A Loosely Self-stabilizing Protocol for Randomized Congestion Control with Logarithmic Memory","external_id":{"arxiv":["1909.04544"]},"language":[{"iso":"eng"}],"series_title":"Lecture Notes in Computer Science","doi":"https://doi.org/10.1007/978-3-030-34992-9_13","date_updated":"2022-01-06T06:51:30Z"},{"department":[{"_id":"79"}],"author":[{"last_name":"N.","full_name":"N., N.","first_name":"N."}],"publisher":"Universität Paderborn","project":[{"name":"SFB 901","_id":"1"},{"name":"SFB 901 - Project Area C","_id":"4"},{"_id":"13","name":"SFB 901 - Subproject C1"}],"date_created":"2019-06-19T11:31:38Z","status":"public","user_id":"477","title":"Implementation and Evaluation of Authenticated Data Structures Using Intel SGX Enclaves","supervisor":[{"last_name":"Scheideler","id":"20792","first_name":"Christian","full_name":"Scheideler, Christian"}],"language":[{"iso":"eng"}],"year":"2019","type":"mastersthesis","citation":{"ieee":"N. N., Implementation and Evaluation of Authenticated Data Structures Using Intel SGX Enclaves. Universität Paderborn, 2019.","short":"N. N., Implementation and Evaluation of Authenticated Data Structures Using Intel SGX Enclaves, Universität Paderborn, 2019.","bibtex":"@book{N._2019, title={Implementation and Evaluation of Authenticated Data Structures Using Intel SGX Enclaves}, publisher={Universität Paderborn}, author={N., N.}, year={2019} }","mla":"N., N. Implementation and Evaluation of Authenticated Data Structures Using Intel SGX Enclaves. Universität Paderborn, 2019.","ama":"N. N. Implementation and Evaluation of Authenticated Data Structures Using Intel SGX Enclaves. Universität Paderborn; 2019.","apa":"N., N. (2019). Implementation and Evaluation of Authenticated Data Structures Using Intel SGX Enclaves. Universität Paderborn.","chicago":"N., N. Implementation and Evaluation of Authenticated Data Structures Using Intel SGX Enclaves. Universität Paderborn, 2019."},"date_updated":"2022-01-06T06:50:33Z","_id":"10271"},{"language":[{"iso":"eng"}],"citation":{"mla":"Hinnenthal, Kristian, et al. “Fast Distributed Algorithms for LP-Type Problems of Low Dimension.” 33rd International Symposium on Distributed Computing (DISC 2019), 2019, doi:10.4230/LIPICS.DISC.2019.23.","bibtex":"@inproceedings{Hinnenthal_Scheideler_Struijs_2019, title={Fast Distributed Algorithms for LP-Type Problems of Low Dimension}, DOI={10.4230/LIPICS.DISC.2019.23}, booktitle={33rd International Symposium on Distributed Computing (DISC 2019)}, author={Hinnenthal, Kristian and Scheideler, Christian and Struijs, Martijn}, year={2019} }","chicago":"Hinnenthal, Kristian, Christian Scheideler, and Martijn Struijs. “Fast Distributed Algorithms for LP-Type Problems of Low Dimension.” In 33rd International Symposium on Distributed Computing (DISC 2019), 2019. https://doi.org/10.4230/LIPICS.DISC.2019.23.","ama":"Hinnenthal K, Scheideler C, Struijs M. Fast Distributed Algorithms for LP-Type Problems of Low Dimension. In: 33rd International Symposium on Distributed Computing (DISC 2019). ; 2019. doi:10.4230/LIPICS.DISC.2019.23","apa":"Hinnenthal, K., Scheideler, C., & Struijs, M. (2019). Fast Distributed Algorithms for LP-Type Problems of Low Dimension. In 33rd International Symposium on Distributed Computing (DISC 2019). https://doi.org/10.4230/LIPICS.DISC.2019.23","ieee":"K. Hinnenthal, C. Scheideler, and M. Struijs, “Fast Distributed Algorithms for LP-Type Problems of Low Dimension,” in 33rd International Symposium on Distributed Computing (DISC 2019), 2019.","short":"K. Hinnenthal, C. Scheideler, M. Struijs, in: 33rd International Symposium on Distributed Computing (DISC 2019), 2019."},"year":"2019","type":"conference","doi":"10.4230/LIPICS.DISC.2019.23","date_updated":"2022-01-06T06:51:41Z","_id":"13652","status":"public","project":[{"_id":"1","name":"SFB 901"},{"name":"SFB 901 - Project Area A","_id":"2"},{"name":"SFB 901 - Subproject A1","_id":"5"}],"date_created":"2019-10-08T11:53:38Z","author":[{"first_name":"Kristian","full_name":"Hinnenthal, Kristian","last_name":"Hinnenthal","id":"32229"},{"last_name":"Scheideler","id":"20792","first_name":"Christian","full_name":"Scheideler, Christian"},{"first_name":"Martijn","full_name":"Struijs, Martijn","last_name":"Struijs"}],"publication":"33rd International Symposium on Distributed Computing (DISC 2019)","department":[{"_id":"79"}],"user_id":"32229","title":"Fast Distributed Algorithms for LP-Type Problems of Low Dimension"},{"ddc":["040"],"user_id":"11108","abstract":[{"text":"We study the consensus problem in a synchronous distributed system of n nodes under an adaptive adversary that has a slightly outdated view of the system and can block all incoming and outgoing communication of a constant fraction of the nodes in each round. Motivated by a result of Ben-Or and Bar-Joseph (1998), showing that any consensus algorithm that is resilient against a linear number of crash faults requires $\\tilde \\Omega(\\sqrt n)$ rounds in an n-node network against an adaptive adversary, we consider a late adaptive adversary, who has full knowledge of the network state at the beginning of the previous round and unlimited computational power, but is oblivious to the current state of the nodes. \r\n\r\nOur main contributions are randomized distributed algorithms that achieve consensus with high probability among all except a small constant fraction of the nodes (i.e., \"almost-everywhere'') against a late adaptive adversary who can block up to ε n$ nodes in each round, for a small constant ε >0$. Our first protocol achieves binary almost-everywhere consensus and also guarantees a decision on the majority input value, thus ensuring plurality consensus. We also present an algorithm that achieves the same time complexity for multi-value consensus. Both of our algorithms succeed in $O(log n)$ rounds with high probability, thus showing an exponential gap to the $\\tilde\\Omega(\\sqrt n)$ lower bound of Ben-Or and Bar-Joseph for strongly adaptive crash-failure adversaries, which can be strengthened to $\\Omega(n)$ when allowing the adversary to block nodes instead of permanently crashing them. Our algorithms are scalable to large systems as each node contacts only an (amortized) constant number of peers in each communication round. We show that our algorithms are optimal up to constant (resp.\\ sub-logarithmic) factors by proving that every almost-everywhere consensus protocol takes $\\Omega(log_d n)$ rounds in the worst case, where d is an upper bound on the number of communication requests initiated per node in each round. We complement our theoretical results with an experimental evaluation of the binary almost-everywhere consensus protocol revealing a short convergence time even against an adversary blocking a large fraction of nodes.","lang":"eng"}],"date_created":"2018-07-04T08:55:45Z","has_accepted_license":"1","status":"public","keyword":["distributed consensus","randomized algorithm","adaptive adversary","complexity lower bound"],"publication":"Proceedings of the 30th ACM Symposium on Parallelism in Algorithms and Architectures (SPAA)","file_date_updated":"2018-10-31T13:30:40Z","author":[{"last_name":"Robinson","full_name":"Robinson, Peter","first_name":"Peter"},{"full_name":"Scheideler, Christian","first_name":"Christian","id":"20792","last_name":"Scheideler"},{"first_name":"Alexander","full_name":"Setzer, Alexander","last_name":"Setzer","id":"11108"}],"file":[{"file_name":"p173-robinson.pdf","date_created":"2018-10-31T13:30:40Z","access_level":"closed","file_id":"5215","creator":"asetzer","file_size":1675407,"relation":"main_file","success":1,"content_type":"application/pdf","date_updated":"2018-10-31T13:30:40Z"}],"conference":{"location":"Wien","start_date":"2018-07-16","name":"30th ACM Symposium on Parallelism in Algorithms and Architectures (SPAA)","end_date":"2018-07-18"},"_id":"3422","citation":{"ieee":"P. Robinson, C. Scheideler, and A. Setzer, “Breaking the $\\tilde\\Omega(\\sqrt{n})$ Barrier: Fast Consensus under a Late Adversary,” in Proceedings of the 30th ACM Symposium on Parallelism in Algorithms and Architectures (SPAA), Wien.","short":"P. Robinson, C. Scheideler, A. Setzer, in: Proceedings of the 30th ACM Symposium on Parallelism in Algorithms and Architectures (SPAA), n.d.","bibtex":"@inproceedings{Robinson_Scheideler_Setzer, title={Breaking the $\\tilde\\Omega(\\sqrt{n})$ Barrier: Fast Consensus under a Late Adversary}, DOI={10.1145/3210377.3210399}, booktitle={Proceedings of the 30th ACM Symposium on Parallelism in Algorithms and Architectures (SPAA)}, author={Robinson, Peter and Scheideler, Christian and Setzer, Alexander} }","mla":"Robinson, Peter, et al. “Breaking the $\\tilde\\Omega(\\sqrt{n})$ Barrier: Fast Consensus under a Late Adversary.” Proceedings of the 30th ACM Symposium on Parallelism in Algorithms and Architectures (SPAA), doi:10.1145/3210377.3210399.","apa":"Robinson, P., Scheideler, C., & Setzer, A. (n.d.). Breaking the $\\tilde\\Omega(\\sqrt{n})$ Barrier: Fast Consensus under a Late Adversary. In Proceedings of the 30th ACM Symposium on Parallelism in Algorithms and Architectures (SPAA). Wien. https://doi.org/10.1145/3210377.3210399","ama":"Robinson P, Scheideler C, Setzer A. Breaking the $\\tilde\\Omega(\\sqrt{n})$ Barrier: Fast Consensus under a Late Adversary. In: Proceedings of the 30th ACM Symposium on Parallelism in Algorithms and Architectures (SPAA). doi:10.1145/3210377.3210399","chicago":"Robinson, Peter, Christian Scheideler, and Alexander Setzer. “Breaking the $\\tilde\\Omega(\\sqrt{n})$ Barrier: Fast Consensus under a Late Adversary.” In Proceedings of the 30th ACM Symposium on Parallelism in Algorithms and Architectures (SPAA), n.d. https://doi.org/10.1145/3210377.3210399."},"type":"conference","year":"2018","title":"Breaking the $\\tilde\\Omega(\\sqrt{n})$ Barrier: Fast Consensus under a Late Adversary","publication_status":"accepted","publication_identifier":{"isbn":["978-1-4503-5799-9/18/07"]},"project":[{"_id":"1","name":"SFB 901"},{"name":"SFB 901 - Project Area C","_id":"4"},{"name":"SFB 901 - Subproject C1","_id":"13"}],"department":[{"_id":"79"},{"_id":"34"},{"_id":"7"}],"doi":"10.1145/3210377.3210399","date_updated":"2022-01-06T06:59:16Z","language":[{"iso":"eng"}]},{"department":[{"_id":"79"}],"publisher":"ACM","date_created":"2018-08-10T10:03:47Z","status":"public","publication_identifier":{"isbn":["978-1-4503-5799-9"]},"editor":[{"last_name":"Scheideler","id":"20792","first_name":"Christian","full_name":"Scheideler, Christian"},{"first_name":"Jeremy T.","full_name":"Fineman, Jeremy T.","last_name":"Fineman"}],"user_id":"15504","title":"Proceedings of the 30th on Symposium on Parallelism in Algorithms and Architectures","citation":{"ama":"Scheideler C, Fineman JT, eds. Proceedings of the 30th on Symposium on Parallelism in Algorithms and Architectures. ACM; 2018.","apa":"Scheideler, C., & Fineman, J. T. (Eds.). (2018). Proceedings of the 30th on Symposium on Parallelism in Algorithms and Architectures. Vienna, Austria: ACM.","chicago":"Scheideler, Christian, and Jeremy T. Fineman, eds. Proceedings of the 30th on Symposium on Parallelism in Algorithms and Architectures. ACM, 2018.","mla":"Scheideler, Christian, and Jeremy T. Fineman, editors. Proceedings of the 30th on Symposium on Parallelism in Algorithms and Architectures. ACM, 2018.","bibtex":"@book{Scheideler_Fineman_2018, title={Proceedings of the 30th on Symposium on Parallelism in Algorithms and Architectures}, publisher={ACM}, year={2018} }","short":"C. Scheideler, J.T. Fineman, eds., Proceedings of the 30th on Symposium on Parallelism in Algorithms and Architectures, ACM, 2018.","ieee":"C. Scheideler and J. T. Fineman, Eds., Proceedings of the 30th on Symposium on Parallelism in Algorithms and Architectures. ACM, 2018."},"year":"2018","type":"conference_editor","conference":{"location":"Vienna, Austria"},"date_updated":"2022-01-06T06:59:47Z","_id":"3874"},{"user_id":"477","title":"Distributed Algorithms for Overlay Networks and Programmable Matter","status":"public","project":[{"name":"SFB 901","_id":"1"},{"name":"SFB 901 - Subproject C1","_id":"13"},{"_id":"2","name":"SFB 901 - Project Area A"},{"_id":"4","name":"SFB 901 - Project Area C"},{"_id":"5","name":"SFB 901 - Subproject A1"}],"date_created":"2018-01-31T06:04:03Z","author":[{"last_name":"Gmyr","first_name":"Robert","full_name":"Gmyr, Robert"}],"publisher":"Universität Paderborn","department":[{"_id":"79"}],"doi":"10.17619/UNIPB/1-265","date_updated":"2022-01-06T06:51:00Z","_id":"1138","supervisor":[{"first_name":"Christian","full_name":"Scheideler, Christian","last_name":"Scheideler","id":"20792"}],"year":"2018","type":"dissertation","citation":{"ieee":"R. Gmyr, Distributed Algorithms for Overlay Networks and Programmable Matter. Universität Paderborn, 2018.","short":"R. Gmyr, Distributed Algorithms for Overlay Networks and Programmable Matter, Universität Paderborn, 2018.","mla":"Gmyr, Robert. Distributed Algorithms for Overlay Networks and Programmable Matter. Universität Paderborn, 2018, doi:10.17619/UNIPB/1-265.","bibtex":"@book{Gmyr_2018, title={Distributed Algorithms for Overlay Networks and Programmable Matter}, DOI={10.17619/UNIPB/1-265}, publisher={Universität Paderborn}, author={Gmyr, Robert}, year={2018} }","chicago":"Gmyr, Robert. Distributed Algorithms for Overlay Networks and Programmable Matter. Universität Paderborn, 2018. https://doi.org/10.17619/UNIPB/1-265.","apa":"Gmyr, R. (2018). Distributed Algorithms for Overlay Networks and Programmable Matter. Universität Paderborn. https://doi.org/10.17619/UNIPB/1-265","ama":"Gmyr R. Distributed Algorithms for Overlay Networks and Programmable Matter. Universität Paderborn; 2018. doi:10.17619/UNIPB/1-265"}},{"conference":{"end_date":"2018-5-24","location":"Vancouver","name":"32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS)","start_date":"2018-5-22"},"_id":"1163","citation":{"chicago":"Feldmann, Michael, Christina Kolb, Christian Scheideler, and Thim Frederik Strothmann. “Self-Stabilizing Supervised Publish-Subscribe Systems.” In Proceedings of the 32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS). IEEE, 2018. https://doi.org/10.1109/IPDPS.2018.00114.","ama":"Feldmann M, Kolb C, Scheideler C, Strothmann TF. Self-Stabilizing Supervised Publish-Subscribe Systems. In: Proceedings of the 32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS). IEEE; 2018. doi:10.1109/IPDPS.2018.00114","apa":"Feldmann, M., Kolb, C., Scheideler, C., & Strothmann, T. F. (2018). Self-Stabilizing Supervised Publish-Subscribe Systems. In Proceedings of the 32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS). Vancouver: IEEE. https://doi.org/10.1109/IPDPS.2018.00114","mla":"Feldmann, Michael, et al. “Self-Stabilizing Supervised Publish-Subscribe Systems.” Proceedings of the 32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS), IEEE, 2018, doi:10.1109/IPDPS.2018.00114.","bibtex":"@inproceedings{Feldmann_Kolb_Scheideler_Strothmann_2018, title={Self-Stabilizing Supervised Publish-Subscribe Systems}, DOI={10.1109/IPDPS.2018.00114}, booktitle={Proceedings of the 32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS)}, publisher={IEEE}, author={Feldmann, Michael and Kolb, Christina and Scheideler, Christian and Strothmann, Thim Frederik}, year={2018} }","short":"M. Feldmann, C. Kolb, C. Scheideler, T.F. Strothmann, in: Proceedings of the 32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS), IEEE, 2018.","ieee":"M. Feldmann, C. Kolb, C. Scheideler, and T. F. Strothmann, “Self-Stabilizing Supervised Publish-Subscribe Systems,” in Proceedings of the 32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS), Vancouver, 2018."},"type":"conference","year":"2018","abstract":[{"lang":"eng","text":"In this paper we present two major results:\r\nFirst, we introduce the first self-stabilizing version of a supervised overlay network (as introduced in~\\cite{DBLP:conf/ispan/KothapalliS05}) by presenting a self-stabilizing supervised skip ring.\r\nSecondly, we show how to use the self-stabilizing supervised skip ring to construct an efficient self-stabilizing publish-subscribe system.\r\nThat is, in addition to stabilizing the overlay network, every subscriber of a topic will eventually know all of the publications that have been issued so far for that topic. The communication work needed to processes a subscribe or unsubscribe operation is just a constant in a legitimate state, and the communication work of checking whether the system is still in a legitimate state is just a constant on expectation for the supervisor as well as any process in the system.\r\n"}],"user_id":"11319","ddc":["040"],"file":[{"success":1,"relation":"main_file","content_type":"application/pdf","date_updated":"2018-10-31T13:25:37Z","creator":"mfeldma2","file_id":"5211","file_size":239559,"access_level":"closed","file_name":"08425258.pdf","date_created":"2018-10-31T13:25:37Z"}],"file_date_updated":"2018-10-31T13:25:37Z","publication":"Proceedings of the 32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS)","keyword":["Topological Self-stabilization","Supervised Overlay","Publish-Subscribe System"],"author":[{"id":"23538","last_name":"Feldmann","full_name":"Feldmann, Michael","first_name":"Michael"},{"last_name":"Kolb","id":"43647","first_name":"Christina","full_name":"Kolb, Christina"},{"id":"20792","last_name":"Scheideler","full_name":"Scheideler, Christian","first_name":"Christian"},{"id":"11319","last_name":"Strothmann","full_name":"Strothmann, Thim Frederik","first_name":"Thim Frederik"}],"publisher":"IEEE","date_created":"2018-02-01T13:56:01Z","status":"public","has_accepted_license":"1","date_updated":"2022-01-06T06:51:05Z","doi":"10.1109/IPDPS.2018.00114","language":[{"iso":"eng"}],"external_id":{"arxiv":["1710.08128"]},"title":"Self-Stabilizing Supervised Publish-Subscribe Systems","department":[{"_id":"79"},{"_id":"66"}],"project":[{"_id":"1","name":"SFB 901"},{"name":"SFB 901 - Project Area A","_id":"2"},{"name":"SFB 901 - Subproject A1","_id":"5"}]},{"_id":"1164","conference":{"name":"32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS)","start_date":"2018-5-22","location":"Vancouver","end_date":"2018-5-24"},"year":"2018","type":"conference","citation":{"chicago":"Feldmann, Michael, Christian Scheideler, and Alexander Setzer. “Skueue: A Scalable and Sequentially Consistent Distributed Queue.” In Proceedings of the 32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS). IEEE, 2018. https://doi.org/10.1109/IPDPS.2018.00113.","apa":"Feldmann, M., Scheideler, C., & Setzer, A. (2018). Skueue: A Scalable and Sequentially Consistent Distributed Queue. In Proceedings of the 32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS). Vancouver: IEEE. https://doi.org/10.1109/IPDPS.2018.00113","ama":"Feldmann M, Scheideler C, Setzer A. Skueue: A Scalable and Sequentially Consistent Distributed Queue. In: Proceedings of the 32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS). 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Setzer, “Skueue: A Scalable and Sequentially Consistent Distributed Queue,” in Proceedings of the 32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS), Vancouver, 2018."},"abstract":[{"text":"We propose a distributed protocol for a queue, called Skueue, which spreads its data fairly onto multiple processes, avoiding bottlenecks in high throughput scenarios.\r\nSkueuecan be used in highly dynamic environments, through the addition of join and leave requests to the standard queue operations enqueue and dequeue.\r\nFurthermore Skueue satisfies sequential consistency in the asynchronous message passing model.\r\nScalability is achieved by aggregating multiple requests to a batch, which can then be processed in a distributed fashion without hurting the queue semantics.\r\nOperations in Skueue need a logarithmic number of rounds w.h.p. until they are processed, even under a high rate of incoming requests.","lang":"eng"}],"user_id":"23538","ddc":["040"],"file":[{"date_created":"2018-10-31T13:29:26Z","file_name":"08425257.pdf","access_level":"closed","file_size":218420,"creator":"mfeldma2","file_id":"5212","content_type":"application/pdf","date_updated":"2018-10-31T13:29:26Z","success":1,"relation":"main_file"}],"author":[{"last_name":"Feldmann","id":"23538","first_name":"Michael","full_name":"Feldmann, Michael"},{"first_name":"Christian","full_name":"Scheideler, Christian","last_name":"Scheideler","id":"20792"},{"first_name":"Alexander","full_name":"Setzer, Alexander","last_name":"Setzer","id":"11108"}],"publisher":"IEEE","publication":"Proceedings of the 32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS)","file_date_updated":"2018-10-31T13:29:26Z","has_accepted_license":"1","status":"public","date_created":"2018-02-01T14:00:36Z","date_updated":"2022-01-06T06:51:05Z","doi":"10.1109/IPDPS.2018.00113","language":[{"iso":"eng"}],"external_id":{"arxiv":["1802.07504"]},"title":"Skueue: A Scalable and Sequentially Consistent Distributed Queue","department":[{"_id":"79"}],"project":[{"name":"SFB 901","_id":"1"},{"_id":"2","name":"SFB 901 - Project Area A"},{"_id":"5","name":"SFB 901 - Subproject A1"}]},{"language":[{"iso":"eng"}],"page":"81--96","type":"journal_article","year":"2018","citation":{"ama":"J. 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Messages are sent from and to pseudonyms, allowing both senders and receivers of messages to remain anonymous. We introduce a concrete construction, which shows viability of our TEE-based approach to anonymous communication. The construction draws from techniques from cryptography and overlay networks. \r\nOur techniques are very general and can be used as a basis for future constructions with similar goals."}],"year":"2018","citation":{"mla":"Blömer, Johannes, et al. Provably Anonymous Communication Based on Trusted Execution Environments.","bibtex":"@book{Blömer_Bobolz_Scheideler_Setzer, title={Provably Anonymous Communication Based on Trusted Execution Environments}, author={Blömer, Johannes and Bobolz, Jan and Scheideler, Christian and Setzer, Alexander} }","apa":"Blömer, J., Bobolz, J., Scheideler, C., & Setzer, A. (n.d.). Provably Anonymous Communication Based on Trusted Execution Environments.","ama":"Blömer J, Bobolz J, Scheideler C, Setzer A. 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Gmyr, K. Hinnenthal, I. Kostitsyna, F. Kuhn, D. Rudolph, C. Scheideler, in: 43rd International Symposium on Mathematical Foundations of Computer Science, MFCS 2018, August 27-31, 2018, Liverpool, UK, 2018, pp. 52:1-52:15.","ieee":"R. Gmyr, K. Hinnenthal, I. Kostitsyna, F. Kuhn, D. Rudolph, and C. Scheideler, “Shape Recognition by a Finite Automaton Robot,” in 43rd International Symposium on Mathematical Foundations of Computer Science, MFCS 2018, August 27-31, 2018, Liverpool, UK, 2018, pp. 52:1-52:15.","ama":"Gmyr R, Hinnenthal K, Kostitsyna I, Kuhn F, Rudolph D, Scheideler C. Shape Recognition by a Finite Automaton Robot. In: 43rd International Symposium on Mathematical Foundations of Computer Science, MFCS 2018, August 27-31, 2018, Liverpool, UK. ; 2018:52:1-52:15. doi:10.4230/LIPIcs.MFCS.2018.52","apa":"Gmyr, R., Hinnenthal, K., Kostitsyna, I., Kuhn, F., Rudolph, D., & Scheideler, C. (2018). Shape Recognition by a Finite Automaton Robot. In 43rd International Symposium on Mathematical Foundations of Computer Science, MFCS 2018, August 27-31, 2018, Liverpool, UK (pp. 52:1-52:15). https://doi.org/10.4230/LIPIcs.MFCS.2018.52","chicago":"Gmyr, Robert, Kristian Hinnenthal, Irina Kostitsyna, Fabian Kuhn, Dorian Rudolph, and Christian Scheideler. “Shape Recognition by a Finite Automaton Robot.” In 43rd International Symposium on Mathematical Foundations of Computer Science, MFCS 2018, August 27-31, 2018, Liverpool, UK, 52:1-52:15, 2018. https://doi.org/10.4230/LIPIcs.MFCS.2018.52.","mla":"Gmyr, Robert, et al. “Shape Recognition by a Finite Automaton Robot.” 43rd International Symposium on Mathematical Foundations of Computer Science, MFCS 2018, August 27-31, 2018, Liverpool, UK, 2018, pp. 52:1-52:15, doi:10.4230/LIPIcs.MFCS.2018.52.","bibtex":"@inproceedings{Gmyr_Hinnenthal_Kostitsyna_Kuhn_Rudolph_Scheideler_2018, title={Shape Recognition by a Finite Automaton Robot}, DOI={10.4230/LIPIcs.MFCS.2018.52}, booktitle={43rd International Symposium on Mathematical Foundations of Computer Science, MFCS 2018, August 27-31, 2018, Liverpool, UK}, author={Gmyr, Robert and Hinnenthal, Kristian and Kostitsyna, Irina and Kuhn, Fabian and Rudolph, Dorian and Scheideler, Christian}, year={2018}, pages={52:1-52:15} }"},"year":"2018","type":"conference","language":[{"iso":"eng"}],"date_updated":"2022-01-06T07:02:49Z","_id":"5986","doi":"10.4230/LIPIcs.MFCS.2018.52","department":[{"_id":"79"}],"publication":"43rd International Symposium on Mathematical Foundations of Computer Science, MFCS 2018, August 27-31, 2018, Liverpool, UK","author":[{"full_name":"Gmyr, Robert","first_name":"Robert","last_name":"Gmyr"},{"last_name":"Hinnenthal","id":"32229","first_name":"Kristian","full_name":"Hinnenthal, Kristian"},{"first_name":"Irina","full_name":"Kostitsyna, Irina","last_name":"Kostitsyna"},{"first_name":"Fabian","full_name":"Kuhn, Fabian","last_name":"Kuhn"},{"full_name":"Rudolph, Dorian","first_name":"Dorian","last_name":"Rudolph"},{"first_name":"Christian","full_name":"Scheideler, Christian","last_name":"Scheideler","id":"20792"}],"date_created":"2018-11-30T08:13:58Z","status":"public","title":"Shape Recognition by a Finite Automaton Robot","user_id":"15504"},{"abstract":[{"text":"While a lot of research in distributed computing has covered solutions for self-stabilizing computing and topologies, there is far less work on self-stabilization for distributed data structures.\r\nConsidering crashing peers in peer-to-peer networks, it should not be taken for granted that a distributed data structure remains intact.\r\nIn this work, we present a self-stabilizing protocol for a distributed data structure called the hashed Patricia Trie (Kniesburges and Scheideler WALCOM'11) that enables efficient prefix search on a set of keys.\r\nThe data structure has a wide area of applications including string matching problems while offering low overhead and efficient operations when embedded on top of a distributed hash table.\r\nEspecially, longest prefix matching for $x$ can be done in $\\mathcal{O}(\\log |x|)$ hash table read accesses.\r\nWe show how to maintain the structure in a self-stabilizing way.\r\nOur protocol assures low overhead in a legal state and a total (asymptotically optimal) memory demand of $\\Theta(d)$ bits, where $d$ is the number of bits needed for storing all keys.","lang":"eng"}],"ddc":["000"],"user_id":"39241","keyword":["Self-Stabilizing","Prefix Search","Distributed Data Structure"],"publication":"Proceedings of the 20th International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS)","file_date_updated":"2018-11-02T14:38:37Z","author":[{"id":"39241","last_name":"Knollmann","orcid":"0000-0003-2014-4696","full_name":"Knollmann, Till","first_name":"Till"},{"full_name":"Scheideler, Christian","first_name":"Christian","id":"20792","last_name":"Scheideler"}],"publisher":"Springer, Cham","file":[{"relation":"main_file","success":1,"content_type":"application/pdf","date_updated":"2018-11-02T14:38:37Z","creator":"ups","file_id":"5277","file_size":500005,"access_level":"closed","file_name":"ASelf-stabilizingHashedPatrici.pdf","date_created":"2018-11-02T14:38:37Z"}],"volume":11201,"date_created":"2018-09-17T13:12:18Z","status":"public","has_accepted_license":"1","conference":{"start_date":"2018-11-04","name":"20th International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS)","location":"Tokyo","end_date":"2018-11-07"},"_id":"4411","intvolume":" 11201","citation":{"short":"T. Knollmann, C. Scheideler, in: T. Izumi, P. Kuznetsov (Eds.), Proceedings of the 20th International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS), Springer, Cham, 2018.","ieee":"T. Knollmann and C. Scheideler, “A Self-Stabilizing Hashed Patricia Trie,” in Proceedings of the 20th International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS), Tokyo, 2018, vol. 11201.","apa":"Knollmann, T., & Scheideler, C. (2018). A Self-Stabilizing Hashed Patricia Trie. In T. Izumi & P. Kuznetsov (Eds.), Proceedings of the 20th International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS) (Vol. 11201). Tokyo: Springer, Cham. https://doi.org/10.1007/978-3-030-03232-6_1","ama":"Knollmann T, Scheideler C. A Self-Stabilizing Hashed Patricia Trie. In: Izumi T, Kuznetsov P, eds. Proceedings of the 20th International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS). Vol 11201. Lecture Notes of Computer Science. Springer, Cham; 2018. doi:10.1007/978-3-030-03232-6_1","chicago":"Knollmann, Till, and Christian Scheideler. “A Self-Stabilizing Hashed Patricia Trie.” In Proceedings of the 20th International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS), edited by Taisuke Izumi and Petr Kuznetsov, Vol. 11201. Lecture Notes of Computer Science. Springer, Cham, 2018. https://doi.org/10.1007/978-3-030-03232-6_1.","bibtex":"@inproceedings{Knollmann_Scheideler_2018, series={Lecture Notes of Computer Science}, title={A Self-Stabilizing Hashed Patricia Trie}, volume={11201}, DOI={10.1007/978-3-030-03232-6_1}, booktitle={Proceedings of the 20th International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS)}, publisher={Springer, Cham}, author={Knollmann, Till and Scheideler, Christian}, editor={Izumi, Taisuke and Kuznetsov, PetrEditors}, year={2018}, collection={Lecture Notes of Computer Science} }","mla":"Knollmann, Till, and Christian Scheideler. “A Self-Stabilizing Hashed Patricia Trie.” Proceedings of the 20th International Symposium on Stabilization, Safety, and Security of Distributed Systems (SSS), edited by Taisuke Izumi and Petr Kuznetsov, vol. 11201, Springer, Cham, 2018, doi:10.1007/978-3-030-03232-6_1."},"type":"conference","year":"2018","external_id":{"arxiv":["1809.04923"]},"title":"A Self-Stabilizing Hashed Patricia Trie","department":[{"_id":"63"},{"_id":"79"}],"editor":[{"last_name":"Izumi","full_name":"Izumi, Taisuke","first_name":"Taisuke"},{"first_name":"Petr","full_name":"Kuznetsov, Petr","last_name":"Kuznetsov"}],"project":[{"_id":"1","name":"SFB 901"},{"_id":"2","name":"SFB 901 - Project Area A"},{"name":"SFB 901 - Subproject A1","_id":"5"}],"date_updated":"2022-01-06T07:01:02Z","doi":"10.1007/978-3-030-03232-6_1","series_title":"Lecture Notes of Computer Science","language":[{"iso":"eng"}]},{"file":[{"file_id":"6621","creator":"ups","file_size":349034,"relation":"main_file","success":1,"content_type":"application/pdf","date_updated":"2019-01-11T10:32:38Z","file_name":"23hybrid.pdf","date_created":"2019-01-11T10:32:38Z","access_level":"closed"}],"publication":"Proceedings of the 14th International Symposium on Algorithms and Experiments for Wireless Networks (ALGOSENSORS) ","keyword":["greedy routing","ad hoc networks","convex hulls","c-competitiveness"],"file_date_updated":"2019-01-11T10:32:38Z","publisher":"Springer","author":[{"full_name":"Jung, Daniel","first_name":"Daniel","id":"37827","last_name":"Jung"},{"first_name":"Christina","full_name":"Kolb, Christina","last_name":"Kolb","id":"43647"},{"first_name":"Christian","full_name":"Scheideler, Christian","last_name":"Scheideler","id":"20792"},{"full_name":"Sundermeier, Jannik","first_name":"Jannik","id":"38705","last_name":"Sundermeier"}],"date_created":"2018-10-02T07:06:05Z","status":"public","has_accepted_license":"1","abstract":[{"text":"Routing is a challenging problem for wireless ad hoc networks, especially when the nodes are mobile and spread so widely that in most cases multiple hops are needed to route a message from one node to another. In fact, it is known that any online routing protocol has a poor performance in the worst case, in a sense that there is a distribution of nodes resulting in bad routing paths for that protocol, even if the nodes know their geographic positions and the geographic position of the destination of a message is known. The reason for that is that radio holes in the ad hoc network may require messages to take long detours in order to get to a destination, which are hard to find in an online fashion.\r\n\r\nIn this paper, we assume that the wireless ad hoc network can make limited use of long-range links provided by a global communication infrastructure like a cellular infrastructure or a satellite in order to compute an abstraction of the wireless ad hoc network that allows the messages to be sent along near-shortest paths in the ad hoc network. We present distributed algorithms that compute an abstraction of the ad hoc network in $\\mathcal{O}\\left(\\log ^2 n\\right)$ time using long-range links, which results in $c$-competitive routing paths between any two nodes of the ad hoc network for some constant $c$ if the convex hulls of the radio holes do not intersect. We also show that the storage needed for the abstraction just depends on the number and size of the radio holes in the wireless ad hoc network and is independent on the total number of nodes, and this information just has to be known to a few nodes for the routing to work.\r\n","lang":"eng"}],"user_id":"38705","ddc":["000"],"year":"2018","citation":{"ieee":"D. Jung, C. Kolb, C. Scheideler, and J. Sundermeier, “Competitive Routing in Hybrid Communication Networks,” in Proceedings of the 14th International Symposium on Algorithms and Experiments for Wireless Networks (ALGOSENSORS) , Helsinki, 2018.","short":"D. Jung, C. Kolb, C. Scheideler, J. Sundermeier, in: Proceedings of the 14th International Symposium on Algorithms and Experiments for Wireless Networks (ALGOSENSORS) , Springer, 2018.","mla":"Jung, Daniel, et al. “Competitive Routing in Hybrid Communication Networks.” Proceedings of the 14th International Symposium on Algorithms and Experiments for Wireless Networks (ALGOSENSORS) , Springer, 2018.","bibtex":"@inproceedings{Jung_Kolb_Scheideler_Sundermeier_2018, title={Competitive Routing in Hybrid Communication Networks}, booktitle={Proceedings of the 14th International Symposium on Algorithms and Experiments for Wireless Networks (ALGOSENSORS) }, publisher={Springer}, author={Jung, Daniel and Kolb, Christina and Scheideler, Christian and Sundermeier, Jannik}, year={2018} }","ama":"Jung D, Kolb C, Scheideler C, Sundermeier J. Competitive Routing in Hybrid Communication Networks. In: Proceedings of the 14th International Symposium on Algorithms and Experiments for Wireless Networks (ALGOSENSORS) . Springer; 2018.","apa":"Jung, D., Kolb, C., Scheideler, C., & Sundermeier, J. (2018). Competitive Routing in Hybrid Communication Networks. In Proceedings of the 14th International Symposium on Algorithms and Experiments for Wireless Networks (ALGOSENSORS) . Helsinki: Springer.","chicago":"Jung, Daniel, Christina Kolb, Christian Scheideler, and Jannik Sundermeier. “Competitive Routing in Hybrid Communication Networks.” In Proceedings of the 14th International Symposium on Algorithms and Experiments for Wireless Networks (ALGOSENSORS) . Springer, 2018."},"type":"conference","conference":{"end_date":"2018-08-24","start_date":"2018-08-23","name":"14th International Symposium on Algorithms and Experiments for Wireless Networks (ALGOSENSORS) ","location":"Helsinki"},"_id":"4563","department":[{"_id":"63"},{"_id":"79"}],"project":[{"_id":"1","name":"SFB 901"},{"name":"SFB 901 - Project Area A","_id":"2"},{"_id":"5","name":"SFB 901 - Subproject A1"}],"title":"Competitive Routing in Hybrid Communication Networks","language":[{"iso":"eng"}],"date_updated":"2022-01-06T07:01:11Z"}]