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On consistent updates in software defined networks
2013
Proceedings of the Twelfth ACM Workshop on Hot Topics in Networks - HotNets-XII
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For one basic consistency property-no packet should loop-we develop an update algorithm that has provably minimal dependency structure. ...
We also sketch a general architecture for consistent updates that separates the twin concerns of consistency and efficiency. ...
A straightforward possibility is for the same software module (controller) to decide on new rules and then micro manage the update process in a way that maintains consistency. ...
doi:10.1145/2535771.2535791
dblp:conf/hotnets/MahajanW13
fatcat:lgircsjkdbhsrj236wzkckt5oe
Consistent updates for software-defined networks
2011
Proceedings of the 10th ACM Workshop on Hot Topics in Networks - HotNets '11
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Software-Defined Networking (SDN) provides an exciting opportunity to do better. ...
However, a piecemeal attack on this fundamental problem, while pragmatic in the short term, is unlikely to lead to significant long-term progress. ...
Our work is supported in part by ONR grant N00014-09-1-0770 and NSF grants CNS-1111698 and CNS-1111520. ...
doi:10.1145/2070562.2070569
dblp:conf/hotnets/ReitblattFRW11
fatcat:2s4pptr26rbm7e4b2qzvkmilli
Consistent updates in software defined networks: On dependencies, loop freedom, and blackholes
2016
2016 IFIP Networking Conference (IFIP Networking) and Workshops
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We consider the problem of finding efficient methods to update forwarding rules in Software Defined Networks (SDNs). ...
We also consider the basic case of just one destination in the network and show that the greedy approach can be nearly arbitrarily bad. ...
Klaus-Tycho Förster was supported in part by Microsoft Research. ...
doi:10.1109/ifipnetworking.2016.7497232
dblp:conf/networking/ForsterMW16
fatcat:vtucrmyixnekfhtiijj5tiiuny
Incremental consistent updates
2013
Proceedings of the second ACM SIGCOMM workshop on Hot topics in software defined networking - HotSDN '13
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A consistent update installs a new packet-forwarding policy across the switches of a software-defined network in place of an old policy. ...
While doing so, such an update guarantees that every packet entering the network either obeys the old policy or the new one, but not some combination of the two. ...
We would also like to thank Mark Reitblatt and Nate Foster for sharing parts of their implementation of consistent updates. ...
doi:10.1145/2491185.2491191
dblp:conf/sigcomm/KattaRW13
fatcat:nfgyhrhsfbc3ncpz64vhknthky
Time-based updates in software defined networks
2013
Proceedings of the second ACM SIGCOMM workshop on Hot topics in software defined networking - HotSDN '13
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This challenge is especially critical in Software Defined Networks, where the control plane is managed by a logically centralized controller, and configuration updates occur frequently. ...
In this paper we discuss the tradeoff between maintaining consistency during configuration updates and the update performance. ...
INTRODUCTION The Configuration Update Problem. Software Defined Networks (SDN) define a centralized architecture, where the control plane is managed by a controller. ...
doi:10.1145/2491185.2491214
dblp:conf/sigcomm/MizrahiM13
fatcat:gldkrxlogbfkppkx5bj72kz6mu
Guest Editors' Introduction: Special Issue on Management of Softwarized Networks
2016
IEEE Transactions on Network and Service Management
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In "Consistent Network Management for Software-defined Networking based Multicast", Kohler et al. ...
[17] introduce a management architecture allowing for an appropriate selection of an update mechanism in software-defined networks and its parameters based on expected inconsistency effects. ...
In this research area, he is involved in several research projects with industry and academia, serves as the Vice Chair of the IEEE Technical Committee on Network Operations and Management, the Chair of ...
doi:10.1109/tnsm.2016.2598093
fatcat:f37wjaibmjf2nlggmsjpylh2sa
Database Support for PC Software Configuration and Version Management in the START Network
[chapter]
1995
Information and Communication Technologies in Tourism
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management system that is used to control the remote update of software on the point of sale PCs. ...
Configuration management problems are discussed in the context of one of Europe's largest wide area networks, the START travel services network. ...
data kept on the central ASP suffers both in consistency and timeliness. ...
doi:10.1007/978-3-7091-7596-5_24
fatcat:j5hvxdq4y5a3tadw26wxaz4ope
Timing in Software-Defined and Centrally-Managed Networks
[article]
2019
arXiv
pre-print
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The work described in this paper explores the use of time and synchronized clocks in centrally-managed and Software Defined Networks (SDNs). ...
One of the main goals of this work is to analyze use cases in which explicit use of time is beneficial. ...
Related Work This paper summarizes "Using Time in Software Defined Networks", a PhD dissertation [2] that was submitted to the Technion in 2016. ...
arXiv:1904.06676v1
fatcat:njot7fjc7bbidhgfu3mz2eyoia
Towards Transiently Secure Updates in Asynchronous SDNs
2016
Proceedings of the 2016 conference on ACM SIGCOMM 2016 Conference - SIGCOMM '16
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Towards Transiently Secure Updates in Asynchronous SDNs Apoorv Shukla ABSTRACT Software-Defined Networks (SDNs) promise to overcome the often complex and error-prone operation of traditional computer networks ...
SIGCOMM '16 Florianópolis, Brazil
INTRODUCTION While Software-Defined Network (SDN) outsources and consolidates the control to a logically centralized software controller, SDN still needs to be regarded ...
doi:10.1145/2934872.2959083
dblp:conf/sigcomm/ShuklaSFLDS16
fatcat:77yvvxyptjeibbwc24v5loibta
Software transactional networking
2013
Proceedings of the second ACM SIGCOMM workshop on Hot topics in software defined networking - HotSDN '13
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consistently over the entire network and the update is installed in its entirety, or aborted, in which case, no packet is affected by it. ...
Indeed, conflicts among concurrent policy updates may result in serious inconsistencies on the data plane, even when each update is installed with perpacket consistent update semantics. ...
Acknowledgements This work was supported in part by the EU FP7 project OFELIA. ...
doi:10.1145/2491185.2491200
dblp:conf/sigcomm/CaniniKLS13
fatcat:3r3qevuzavgmxhbijuzo7kfyvy
AdamMC: A Model Checker for Petri Nets with Transits against Flow-LTL
[chapter]
2020
Lecture Notes in Computer Science
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We describe how AdamMC can automatically encode concurrent updates of software-defined networks as Petri nets with transits and how common network specifications can be expressed in Flow-LTL. ...
In software-defined networks, it is far more convenient to specify the correct behavior of packets than the global behavior of the entire network. ...
Solutions for correctness of updates of software-defined networks include consistent updates [7, 28] , dynamic scheduling [17] , and incremental updates [18] . ...
doi:10.1007/978-3-030-53291-8_5
fatcat:tsfpeynd2ncz7hhmodbdl5ohoi
On scaling software-Defined Networking in wide-area networks
2015
Tsinghua Science and Technology
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In this paper, we survey the mechanisms that can be used to address the scalability issues in software-defined wide-area networks. ...
As the technology matures, research in both industry and academia has designed a considerable number of tools to scale software-defined networks, in preparation for the wide deployment in wide-area networks ...
At the same time, label switching happens to bypass the consistency issues of network update in a large scale software-defined WAN. ...
doi:10.1109/tst.2015.7128934
fatcat:3tkmkfyqvzfybejgqzl7mfzzzu
A mixed-critical consistent update algorithm in software defined time-triggered ethernet using time window
2020
IEEE Access
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Software Defined Networking (SDN) presents a tremendous opportunity for developing abstract management of network updates. However, network updates introduce challenges in terms of consistency. ...
More specifically, consistent update is defined and some basic update algorithms are described. And then a packetbased network model is built to describe network resources. ...
The colleagues who provided insight and stimulating discussions that greatly assisted in the preparation of this paper. ...
doi:10.1109/access.2020.2984749
fatcat:fnneduymajbhjlxvw2c6kgmla4
Software Management of Heterogeneous Execution Platforms
2009
2009 International Conference on Advanced Information Networking and Applications Workshops
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Time and cost efficient software maintenance is promoted to remotely manage devices distributed in the home network. ...
This paper defines a generic software management model, Genex, which provides a homogeneous view over these different types of platforms. ...
The model consists of two parts: software units with state diagrams, and a set of generic management operations on the software. ...
doi:10.1109/waina.2009.188
dblp:conf/aina/BottaroGVOS09
fatcat:kic63x2v65fulocynfvtfffsxi
Simulation-based Evaluation of a Synchronous Transaction Model for Time-Sensitive Software-Defined Networks
[article]
2021
arXiv
pre-print
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Software-Defined Networking (SDN) moves the control plane of network devices to the SDN controller, making these networks programmable. ...
The Time-Sensitive Networking (TSN) collection of standards enables this in real-time environments like vehicle on-board networks. ...
On the other hand, Software-Defined Networking (SDN) [9] has revolutionized campus and data center networks. ...
arXiv:2110.00236v2
fatcat:72zmqbs6tfhnnomykd7cdrocwu
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