Open AccessA Host-Based Multicast (HBM) Solution for Group Communications
Author(s) -
Vincent Roca,
Ayman ElSayed
Publication year - 2001
Publication title -
lecture notes in computer science
Language(s) - English
Resource type - Book series
SCImago Journal Rank - 0.249
H-Index - 400
eISSN - 1611-3349
pISSN - 0302-9743
ISBN - 3-540-42302-8
DOI - 10.1007/3-540-47728-4_60
Subject(s) - multicast , computer science , xcast , source specific multicast , protocol independent multicast , computer network , unicast , pragmatic general multicast , communication in small groups , multicast address , distributed computing , distance vector multicast routing protocol , ip multicast , server , overlay multicast , overlay network , host (biology) , routing (electronic design automation) , service (business) , the internet , world wide web , ecology , biology , economy , economics
In this paper we argue that overlay multicast is an important technology for applications requiring a group communication service. With this approach end-hosts (running the application), dedicated servers and/or border routers automatically self-organize into a distribution topology where data is disseminated. This topology can be composed of both unicast connections and native multicast islands (e.g. within each site). Therefore it offers a group communication service to all hosts, even those locatedin a site that does not have access to native multicast routing.One of the issues raisedis the set up of an efficient and robust overlay topology. In this paper we discuss several possible solutions. We show in particular the benefits of having a centralizedapproac h, of using redundant links and updating the topology based on a host stability criteria.
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