PPT-SDN Abstractions

Lecture 20 Aditya Akella Going beyond defining a virtual network configuring specific network functions Application interface PANE Participatory networking Management HFT Delegation and conflict resolution. Introduction Softwarede64257ned networking SDN has received a lot of attention in recent years as a means of addressing some of the longstanding challenges in networking SDN starts from two simple ideas i generalize network hardware so it provide CSG. Winter 2015 – 01/14/15 – First Session. Part 1 - Planning. Definitions. Infrastructure Considerations. Use Cases. Service Delivery / Management . Considerations. User Engagement. Part 2 – Rollout Strategies: Benefits & Gotchas. History, Hype, and Hope. Scott Shenker. with . Martín . Casado. , . Teemu. . Koponen. , Nick . McKeown. (and many others….). Caveat . Audiens. I have a . startup in . area (. Nicira. ). Feel free to regard everything I am saying as the self-serving comments of a greedy, lying entrepreneur…. Here. . Tom Williams, . twilliam@hp.com. SDN / DC Strategy & Execution. HP Networking. Mobility is changing everything . © Copyright 2013 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice.. Thomas Edwards. FOX Network Engineering & Operations. SDN Rules/Actions/Stats. The problem. SDN flow rule updates: . 1ms to 10ms. RP 168 switch point accuracy . ~10µs. We’ve got a problem. !. The Solution. Deployment challenges. Device heterogeneity . I. nteroperation . with legacy . systems. Controller and apps scalability. Infrastructure research challenges. NOS issue: network abstraction. To make SDN accessible to a typical user. Bryan Learn <blea. rn@psc.edu>. Pittsburgh Supercomputing Center. Internet2 Technology Exchange. 26 September 2016. DANCES Project Introduction. DANCES is an NSF-funded (#1341005), CC-NIE collaborative “Network Integration and Applied Innovation” project. Network elements has two components: . OpenFlow. client, forwarding hardware with flow tables.. The SDN controller must implement the network OS functionality. Provide abstraction to the upper layer. CSG. Winter 2015 – 01/14/15 – First Session. Part 1 - Planning. Definitions. Infrastructure Considerations. Use Cases. Service Delivery / Management . Considerations. User Engagement. Part 2 – Rollout Strategies: Benefits & Gotchas. Ruolin Fan. ∗. , Li Wei. †. Pengyuan Du*, . Ciarán Mc . Goldrick. ♠. . and Mario Gerla. ∗. * . University of California Los Angeles, Los Angeles, CA, . USA. † Michigan Technological University, Houghton, MI, USA. Disjoint Set Union-Find . and . Minimum Spanning Trees. Kate Deibel. Summer 2012. August 13, 2012. CSE 332 Data Abstractions, Summer 2012. 1. Making Connections. You have a set of nodes (numbered 1-9) on a network. . Lecture 6: Dictionaries; Binary Search Trees. Dan Grossman. Spring 2010. Where we are. Studying the absolutely essential ADTs of computer science and classic data structures for implementing them. ADTs so far:. Lecture 9: B Trees. Dan Grossman. Spring 2010. Our goal. Problem: A dictionary with so much data most of it is on disk. Desire: A balanced tree (logarithmic height) that is even shallower than AVL trees so that we can minimize disk accesses and exploit disk-block size. Dictionary ADT. : Arrays, Lists and . Trees. Kate Deibel. Summer 2012. June 27, 2012. CSE 332 Data Abstractions, Summer 2012. 1. Where We Are. Studying the absolutely essential ADTs of computer science and classic data structures for implementing them.