Center selection and migration for wide-area multicast routing

Michael J. Donahoo, Kenneth L. Calvert, Ellen W. Zegura

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


Interdomain multicast routing is a challenge, requiring a scalable solution that is suitable for diverse application characteristics. Center-based routing trees overcome some of the limitations associated with traditional shortest-path tree routing, however, they present a new set of routing problems. Specifically, the choice of the center router can be critical in determining the multicast routing performance. We present and assess algorithms to solve two problems: selection of an initial center router, and migration of the center router in response to dynamic changes in the group membership during the application lifetime. These two problems, and our proposed solutions, may have more general applicability in wide-area networking, e.g., in placing shared resources in the network or estimating bandwidth utilization for multicast distribution.

Original languageEnglish
Pages (from-to)141-164
Number of pages24
JournalJournal of High Speed Networks
Issue number2
StatePublished - 1997


  • Internetworking
  • Multicast
  • Routing

ASJC Scopus subject areas

  • Information Systems
  • Hardware and Architecture
  • Computer Networks and Communications


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