PPT-Compiling Network Path Queries

Srinivas Narayana Princeton University Network Management is Complex Computer networks getting bigger Commodity components high failure rates Outages are costly 300Khour 200 minutesoutage. Software-Defined Networks. Srinivas Narayana. Jennifer Rexford and David Walker. Princeton University. Where’s the packet loss?. A. B. Faulty network device(s) along the way. But where?. 2. 100 . pkts. DeHart. Computer Science & Engineering. Washington University. . www.arl.wustl.edu. GEC-10: . Slick Packets. Demonstration. Slick Packets. Source-Controlled Routing Architecture. Designed by Brighten Godfrey’s group at U. Illinois. for Strings and Sets. William Cohen. SELECT R.a,S.a,S.b,T.b FROM R,S,T . WHERE R.a=S.a and S.b=T.b. WHIRL approach:. Link items as. needed. by Q. WHIRL approach:. Query Q. SELECT R.a,S.a,S.b,T.b FROM R,S,T . The first hint Mr. Slippery had that his own True Name might be known--and, for that matter, known to the Great Enemy--came with the appearance of two black Lincolns humming up the long dirt driveway ... Roger Pollack was in his garden weeding, had been there nearly the whole morning.... Four heavy-set men and a hard-looking female piled out, started purposefully across his well-tended cabbage patch.…. Two Years in Mississippi. George . Kizer. , Alcatel-Lucent. NSMA Annual Conference. May 19 & 20, 2015. Holiday Inn Rosslyn at Key Bridge. Arlington, Virginia . Network Overview. . 142 Sites. 488 . Software-Defined Networks. Srinivas Narayana. Jennifer Rexford and David Walker. Princeton University. Where’s the packet loss?. A. B. Faulty network device(s) along the way. But where?. 2. 100 . pkts. Princeton University. Mina . Tahmasbi. Jen Rexford. David Walker. Srinivas Narayana. Management = Measure + Control. 2. Network Controller. Measure. Control. Software-Defined Networking (SDN). Enabling Easier Measurement Matters. , E. . Dall’Anese. ,. G. . Mateos . and G. B. . Giannakis. Acknowledgments. :. . NSF Grants 1343248, 1423316, 1442686, 1508993, 1509040. . ARO W911NF-15-1-0492. CIS 700/005 . –. Lecture 3. Includes material . from Brighten . Godfrey. Last Time. …. K-. ary. fat tree: three-layer topology (edge, aggregation and core). each pod consists of (k/2). 2. servers & 2 layers of k/2 k-port switches. Srinivas Narayana. May 13, 2016. Advisor: Prof. Jennifer Rexford. Management = Measure Control. 2. Network Controller. Measure. Control. Software-Defined Networking (SDN). Enabling Easier Measurement Matters. PhD thesis defense. Amit . Mondal. Committee. :. Aleksandar Kuzmanovic, . Asst. Professor, Northwestern . Univ. Peter . Dinda. , Assoc. . Professor, Northwestern . Univ. Yan Chen, . Assoc. Professor, Northwestern . Wenjun. Jiang, . Jie. Wu, Fellow, IEEE, Feng Li, Member, IEEE, . Guojun. Wang, Member, IEEE, and . Huanyang. . Zheng. Presenters: . Adeela. Huma, Lijing Wang, . Xuchao. Zhang. Introduction. source s is interested in a single target d . : . Presenter. : . Weicong. (Vivi) Ma . Boon . Thau. . Loo, Tyson . Condie. , Minos . Garofalakis. , David . E. . Gay, Joseph . M. . Hellerstein. , . Petros. . Maniatis. , Raghu . Ramakrishnan. Timothy . Sean Hefty. Problem. Problem. Address Resolution. ARP for address resolution. ARP storm as all nodes try to discover other nodes. Number of outstanding ARP requests = O(n. 2. ). May require pre-loading ARP cache before starting MPI job.