IP multicasting over ATM networks

被引:20
作者
Armitage, GJ
机构
[1] Bellcore, Morristown
[2] Bellcore, Morristown, NJ
关键词
asynchronous transfer mode (ATM); ATMARP; cluster; classical IP; Internet protocol (IP); MARS; multicast; multicast server; multipoint; RFC; 1577; 2022; UNI;
D O I
10.1109/49.564141
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The Internet protocol (IF) multicast model involves a combination of intrasubnet and intersubnet multicast mechanisms. Technologies supporting a given subnet are expected to have native mechanisms for supporting intrasubnet forwarding of pacets sent to multicast destinations, Multicast routers attach to subnets and provide intersubnet forwarding of multicast packets, using interdomain multicast Pouting protocols developed by the Internet Engineering Task Force (IETF), Unfortunately, ATM networks based on UNI 3.0 or UNI 3.1 signaling service do not provide the native multicast support expected by IF. This has led the IETF to develop the ''MARS model''-a fairly complex mechanism for emulating intrasubnet multicast support required when running IP's over ATM's. This paper takes a high level look at the IP multicast service, examines the limitations of the ATM point-to-multipoint virtual channel service, and describes the major architectural points of the MARS model.
引用
收藏
页码:445 / 457
页数:13
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