B4 experience with a globally-deployed software defined wan slides

A hardware building block for the 2020 wsc slides rackscale, firebox. Lots of improvements to the tcp stack in 20 14, including most notably the fair queuing pacer 7 102416. Experience with a globallydeployed software defined wan, sigcomm, jain et al. Globallydeployed software defined wan to appear in sigcomm. For example, traffic engineering techniques that frequently reconfigure the network require guarantees on the speed of gathering data from the network and the speed of reconfiguring the network. The case for making tight control plane latency guarantees in. Experience with a globallydeployed software defined wan, sigcomm 20 3 controller placement problem generally. Carries internet facing traffic growing faster than the internet b4.

Pdf predicting network attack patterns in sdn using. Google global private wan 1 connects dozens of datacenters worldwide with a longterm average of 70% utilization over all links. The assigned book chapter readings will be posted before the first day of classes. Experience with a globally deployed software defined wan, sigcomm 20. Experience with a globallydeployed software defined wan, sushant jain et al. Can build layer 2 circuits between any internet 2 endpoints.

B4 s centralized traffic engineering service drives links to near 100% utilization, while splitting application flows among multiple paths to balance capacity against application prioritydemands. The main driver of sdwan is to lower wan costs using more affordable and commercially available leased lines, as an alternative or partial replacement of more expensive mpls lines. Experience with a globallydeployed software defined wan by sushant jain, alok kumar, subhasree mandal, joon ong, leon poutievski, arjun singh, subbaiah venkata, jim wanderer, junlan zhou, min zhu, jonathan zolla, urs holzle, stephen stuart and amin vahdat, acm sigcomm 20. Experience with a globallydeployed software defined wan, sigcomm 20. Can tolerate periodic failures with temporary bw reduction. Sdn is meant to address the fact that the static architecture of traditional. Google innovations in networking b4 2006 2008 2010 2012 2014. A distributed control platform for largescale production networks. How to have a research career in these are my personal. Recent linux tcp updates, and how to tune your 100g host. Software defined networking sdn principles and openflow to manage individual switches. Modular compostable security services for software defined networks, ndss 20 sdn in wan sdx. Flexible, hierarchical bandwidth allocation for wan distributed computing, sigcomm 2015.

Experience with a globallydeployed software defined wan in proceedings of the acm sigcomm 20 conference on sigcomm, 20, pages 314. Low latency geodistributed data analytics proceedings of. Capacitated next controller placement in software defined. Softwaredefined networking sdn technology is an approach to network management that enables dynamic, programmatically efficient network configuration in order to improve network performance and monitoring making it more like cloud computing than traditional network management. Experience with a globally deployed software defined wan. Experience with a globallydeployed software defined wan, year. Experience with a globally deployed software defined wan in proceedings of the acm sigcomm 20 conference on sigcomm, 20, pages 314. Klara nahrstedt cs 538 advanced networking course based on b4. Experience with a globally deployed software defined wan nsxstyle network virtualization framework koponen et al. Overprovisioning introduces low link utilization 3040% 3 b4.

Experience with a globally deployed software defined wan, sushant jain et al. Experience with a globallydeployed software defined wan, sigcomm. Dipankar ray raychaudhuri, rutgers, leads mobilityfirst. Experience with a globallydeployed software defined wan in proceedings of the acm sigcomm 20 conference on sigcomm, 20, pages 314 koponen, teemu and casado, martin and gude, natasha and stribling, jeremy and poutievski, leon and zhu, min and ramanathan, rajiv and iwata, yuichiro and inoue, hiroaki and hama, takayuki and others. Lots of improvements to the tcp stack in 20 14, including most notably the fair queuing pacer 31 1116. Hong, chiyao and kandula, srikanth and mahajan, ratul and zhang, ming and gill, vijay and nanduri, mohan and wattenhofer, roger achieving high utilization with software driven wan.

Hong, chiyao and kandula, srikanth and mahajan, ratul and zhang, ming and gill, vijay and nanduri, mohan and wattenhofer, roger achieving high utilization with softwaredriven wan. Wan hardware and links are over provisioned but this hardware is expensive. Low latency geodistributed data analytics proceedings. Control and management is administered separately from the. The future of networking, and the past of protocols. Modern networks rely on schedulers in two specific ways. Fast programmable matchaction processing in hardware for sdn, acm sigcomm, 20. Evaluation across eight worldwide ec2 regions using production queries show that iridium speeds up queries by 3. The students covers one of the most promising new developments in data centre connectivity software defined networking.

General information packet scheduling is the core component of many recent innovations in optimizing network performance and utilization. Experience with a globallydeployed software defined wan research reading. College of computing, georgia tech georgia institute of. A software defined internet exchange, arpit gupta et al. Rethinking the network stack for rackscale computers, firebox. Experience with a globallydeployed software defined wan to appear in sigcomm. Sdn controllers demand tight performance guarantees over the control plane actions performed by sdn switches. Cs4270cs8803dcl spring 2014 college of computing, georgia tech.

Proceedings of the third workshop on hot topics in software defined networking. Software and hardware feature roll outs decoupled software timescale feature roll out hitless sw upgrades and new features. Experience with a globallydeployed software wan ppt video. Students are required to read the assigned chapters before each lecture. Introduction to openflow ben newton university of north carolina at chapel hill. Software timescale feature roll out hitless sw upgrades and new features. Interdatacenter traffic more traffic than b2, growing faster than b2 b4 traffic jul 2012 jan 20 jul 20 jan 2014 jul 2014 jan 2015 two backbones. A software defined internet exchange application cloud ananta.

Experience with a globallydeployed software defined wan 4 manjot singh transmission rates, the need of deep buffers can be avoided. Traditional wan routing cost of bandwidth, highend routing gear 30% 40% average utilization. Divide and conquer to verify forwarding tables in huge networks, nsdi 2014. Experience with a globallydeployed software defined wan, sigcomm 20 3. Network virtualization in multitenant datacenters enterprise network sung et al. The lecture slides will be posted on the classs webpage prior to the lecture. An sdwan is a wide area network wan managed using the principles of softwaredefined networking. Analysis of priyas presentation before wednesdays class.

A software defined internet exchange, sigcomm 2014 b4. Experience with a globallydeployed software defined wan nsxstyle network virtualization framework koponen et al. Experience with a globallydeployed software defined wan. These characteristics led to a software defined networking architecture using openflow to control relatively simple switches built from merchant silicon. Experience with a globallydeployed software defined wan application ixp sdx. Experience with a globallydeployed software defined wan, sigcomm, jain et al 2 keynote ons june 2015. Sushant jain, alok kumar, subhasree mandal, joon ong, leon poutievski, arjun singh, subbaiah venkata, jim wanderer, junlan zhou, min zhu, jonathan zolla, urs holzle, stephen stuart and amin vahdat. Next slide for first and second reference controller, i.