PPT-1 Sources of Instability in Data Center Multicast

Dmitry Basin Ken Birman Idit Keidar Ymir Vigfusson LADIS 2010 Multicast is Important 2 Replication is used in data centers and clouds to provision financial servers of readmostly requests. Qi. Huang. Ýmir Vigfússon. Ken . Birman. Haoyuan Li. Cornell University. IBM Research Haifa Labs. Cornell University. Cornell University. A Patchwork of Multicast . Regions. Pub/sub transport. Pub/sub over WAN has plethora of modern uses. Multicast. . is the delivery of a message . to . a group of . receivers . simultaneously in a single transmission from the . source. The source sends a . message to a group. The message then is delivered to all members of the group. possible future work I’: . dmm. multicast. D. . von . Hugo. Contributions from. S. . . Figueiredo. , S. . Jeon. , D. Liu . . IETF-83. , Paris. 1. Introduction. Multimob. chartered focus so far: guidance for supporting multicast in a mobile environment … limited to Proxy Mobile IPv6. . Communication (IPC). Source:. George . Colouris. , Jean . Dollimore. , Tim . Kinderberg. & Gordon Blair (2012). Distributed Systems: Concepts & Design (5. th. Ed.). Essex: Addison-Wesley. 2. Multicasting. Multicast communications refers to one-to-many or many-to-many communications. . IP Multicasting refers to the implementation of multicast communication in the Internet. Multicast is driven by receivers: Receivers indicate interest in . Junxiao. Shi . 2015-02-11. Problem. Two routers and a laptop is in the same multicast group or broadcast media.. The laptop sends an Interest to the multicast group, which is forwarded by both routers to the Internet.. Qi Huang. CS6410 2009 FA. 10/29/09. Basic idea: same data needs to reach a set of multiple receivers. Application:. What is multicast?. How about using . unicast. ?. Sender’s overhead grows linearly with the group size. The Story So Far. Switched . ethernet. is good. Besides switching needed to join even multiple classical . ethernet. networks. Routing is expensive, learning switches seem cheaper. Flooding in a network with a cycle of switches is bad (why?). Ken Birman. Cornell University. CS5410 Fall 2008. . Mission Impossible…. Today, multicast is . persona non-grata. in most cloud settings. Amazon’s stories of their experience with violent load oscillations has frightened most people in the industry. Yash Sheth 42961722. Swapnil. . Tiwari. 63242307. Vishal. . Sahu. 19489633. Application Layer Multicast. Multicasting . is increasingly used as a efficient and scalable mechanism for the dissemination of data across heterogeneous systems on the internet. Third Conference on Measuring Human Progress . Can HD Measurement Inform the Post-2015 Agenda. New York, . 10-11 March . 2014. Session 5. Stefan . Schweinfest. Acting Director. United Nations Statistics Division. Mike McBride. Helen Lui. IETF 84 – Vancouver. July, 2012. m. boned. charter. “Receive regular reports on the current state of the deployment of multicast technology. Create "practice and experience" documents that capture the experience of those who have deployed and are deploying various multicast technologies.”. IETF 84. Vancouver, . BC. Robert Sayko. sayko@att.com. Purpose and Goals. Create document to describe . use . of multicast to support content distribution in an environment involving multiple Service Providers in a Content Distribution Network Interconnection (CDN-. Today. ’. s . Internet. Original Design Goal, Philosophy and Principles. End-to-End Principle and . “. Hourglass. ”. Architecture of Internet. Pros and Cons; Challenging Issues. What have changed? What may have yet to come? .