Publication: Alternative Multiple Spanning Tree Protocol (AMSTP) for Optical Ethernet Backbones
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2004-11
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IEEE Computer Society
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Abstract
The availability and affordable cost of Gigabit and 10 Gigabit Ethernet switches has impacted the deployment of metropolitan area networks (MAN) and campus networks. This paper presents a new protocol, the alternative multiple spanning tree protocol (AMSTP), that uses multiple source based spanning trees for backbones using Ethernet switches. It provides minimum paths and more efficient usage of optical backbone infrastructure than currently proposed protocols such as resilient packet ring and rapid spanning tree. The protocol exhibits features similar to MAC routing protocols like Link State Over MAC (LSOM) such as optimum path and effective infrastructure usage, without requiring MAC routing due to the use of the spanning tree protocol paradigm. AMSTP is not restricted to specific topologies such as ring or tree, but performs efficiently in arbitrary topologies. Among the application areas are optical backbones of campus and MANs.
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metropolitan area networks, optical fibre LAN, routing protocols
Bibliographic citation
29th Annual IEEE International Conference on Local Computer Networks (Tampa, Florida, 16-18 November 2004). IEEE, Nov. 2004, p. 744-751