PPT-SDN controller scalability issue

Fundamental issue the speed gap between data plane and control plane Switch OS Switch HW 10100 Gbps Switch OS Switch HW 10100 0Mbps Switch OS Switch HW SDN controller SDN controller scalability issue. on . Multicores. LokeshGidra. , . Gaël. Thomas, . JulienSopena. and Marc Shapiro. INRIA/University of Paris 6. 14/20 most popular languages have GC. but GC doesn’t scale on . multicore. hardware. Last Class . Measuring with SDN. What are measurement tasks?. What are sketches? What is the minimal building blocks for implementing arbitrary sketches?. How do we trade-off between accuracy and space?. Ippokratis Pandis. CIDR 2009 - Gong Show. Scalability on CMP. 2. Sun Niagara I - 32 HW Contexts. Update intensive workload. No database lock conflicts. Linear (ideal) scaling. Scalability. problems. define scalability scalability Let time(n,x) be the time required by an n-processor system to execute a pro- gram to solve a of problem of size 2 x. The speedup on a problem of size x with n processor Morten . Kragelund. Holt. Jens Johansen. Gerth. . Stølting. . Brodal. 1. Aarhus University. Introduction. Trees are used in many branches of science.. Phylogenetic. trees are especially used in biology and bioinformatics.. 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. Measuring with SDN. What are measurement tasks?. What are sketches? What is the minimal building blocks for implementing arbitrary sketches?. How do we trade-off between accuracy and space?. How to allocate memory across a set of switches to support a given accuracy. 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. Software Defined Networks . 1. By:. Saleh. . Asadollahi. &. Dr. . Bhargavi. . Goswami. asadollahimcitp@gmail.com. bhargavihgowsami@gmail.com. Experimenting with Scalability of Floodlight Controller in. Andrew A. Chien. William Eckhardt Professor of Computer Science, The University of Chicago. Senior Scientist, Argonne National Laboratory. IRIS-HEP Kickoff. September 7, 2018. Traditional Software Scalability. Morten . Kragelund. Holt. Jens Johansen. Gerth. . Stølting. . Brodal. 1. Aarhus University. Introduction. Trees are used in many branches of science.. Phylogenetic. trees are especially used in biology and bioinformatics.. S.H. . Yeganeh. , A. . Tootoonchian. , Y. . Ganjali. University of . Tronto. IEEE Communication Magazine. 1. Motivations. There have always been concerns about performance and scalability about SDN. Argue that there is no inherent bottleneck to SDN... Huawei. Liyan. Gong, . Fengwei . Qin . @China Mobile. Guangming. Yang @China Telecom. James Guichard @. Futurewei. Gyan Mishra . @Verizon. Tarek Saad @Cisco. Vishnu Beeram @Juniper. Scalability Considerations for . Performance of Computer System. Various factors. Depends on. Scalability: . Computer Performance . Number of processors used. Measuring performance of parallel computer architecture for large-scale applications require very good understanding of...