PPT-Programmable Networks Jennifer Rexford

Fall 2017 TTh 130250 in CS 105 COS 561 Advanced Computer Networks http wwwcsprincetonedu coursesarchivefall17cos561 SoftwareDefined Networking SDN 2 Controller Platform. Freedman and Jennifer Rexford Dept of Computer Science Princeton University Princeton New Jersey USA pengsun minlanyu mfreed jrexcsprincetonedu ABSTRACT Content distribution networks CDNs need to make deci sions such as server selection and routing Frenetic Language for OpenFlow Networks Jennifer Rexford Princeton University http://www.frenetic - lang.org/ Joint work with Nate Foster, Dave Walker, Rob Harrison, Michael Freedman, Chris Monsanto, irst Steps Towards Programmable Human Computers for General Computation Princeton . University. MW 11:00am-12:20pm. Programmable Data Planes. COS 597E: Software Defined Networking. Data Plane. Streaming algorithms that act on packets. Matching on some bits, taking a simple action. Princeton University. MW 11:00am-12:20pm. Wide-Area Traffic Management. COS 597E: Software Defined Networking. Traffic Management. Assigning resources to traffic. Optimize some objective . Min congestion, max utility, min delay, …. Measurement is Here to Stay. Traffic engineering. Traffic matrix. Available bandwidth on each path. Distribution of queue lengths. Service-level agreements. At most 0.5% lost or out-of-order . packets. MW 11:00am-12:20pm. Logically-Centralized Control. COS 597E: Software Defined Networking. Software Defined Networking. 2. decouple . c. ontrol . and . data . p. lanes. by . p. roviding . o. pen . s. tandard . University. MW 11:00am-12:20pm. Control-Plane Scalability. COS 597E: Software Defined Networking. Controller Scalability Challenges. Number of switches. Number of control sessions. Frequency of events. University. MW 11:00am-12:20pm. Measurement. COS 597E: Software Defined Networking. Measurement vs. Metrics. 2. active . measurements. packet and flow. measurements,. l. ink load. topology, . configuration,. Before. . SDN. …. Many boxes (routers, switches, firewalls, …), with different interfaces.. A Brief History. . of. . SDN. Many. . functions. . in. . networking. . devices. Routing,. . Switching,. Jennifer Rexford. Princeton University. The Great Success of the Internet. 1. IP network. Best-effort packet delivery. Arbitrary . applications. Programmability: determines . who. can effect change, and . Fall 2018 (. TTh. 1:30-2:50 in Friend 006). COS 561: Advanced Computer Networks. http://. www.cs.princeton.edu. /courses/archive/fall18/cos561/. Traditional Division of Labor. Management. : policy. Measurement and configuration of switches. Fall 2018 (. TTh. 1:30-2:50 in Friend 006). COS 561: Advanced Computer Networks. http://. www.cs.princeton.edu. /courses/archive/fall18/cos561/. Traditional Division of Labor. Management. : policy. Measurement and configuration of switches. University. MW 11:00am-12:20pm. Data-Center Traffic Management. COS 597E: Software Defined Networking. Cloud Computing. 2. Cloud Computing. Elastic resources. Expand and contract resources. Pay-per-use.