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Article: Application-layer conference trees for multimedia multipoint conferences using megaco/H.248

TitleApplication-layer conference trees for multimedia multipoint conferences using megaco/H.248
Authors
KeywordsConference tree
MCU
Megaco/H.248
Multipoint conference
Issue Date2005
PublisherI E E E. The Journal's web site is located at http://www.ieee.org/organizations/tab/tmm.html
Citation
Ieee Transactions On Multimedia, 2005, v. 7 n. 5, p. 951-959 How to Cite?
AbstractIn this paper, we propose a new approach to establishing application layer conference trees for multimedia multipoint conferences on the Internet using the Megaco/H.248 protocol, a Voice over IP (VoIP) media gateway control protocol. In existing VoIP protocols (and also legacy telephone networks), a multipoint conference takes place through an MCU, and forms a star topology centered at the MCU. This paper suggests to establishing shared, cost effective conference trees for VoIP conferences. Each tree is rooted at the conference initiator, who initiates the conference, and spans over all the conference members. Tree branches grow or are trimmed dynamically and adaptively, in a way to avoid the growth of a skewed tree. We develop a simplified analytical model and conduct simulations to evaluate the performance of the proposed approach. The results show that our approach enjoys the advantage of lower join latency and better bandwidth efficiency compared to the traditional MCU approach, and is cost effective compared to a near optimal Steiner tree. © 2005 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/44786
ISSN
2015 Impact Factor: 2.536
2015 SCImago Journal Rankings: 1.603
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLiao, Wen_HK
dc.contributor.authorChang, JCen_HK
dc.contributor.authorLi, VOKen_HK
dc.date.accessioned2007-10-30T06:10:12Z-
dc.date.available2007-10-30T06:10:12Z-
dc.date.issued2005en_HK
dc.identifier.citationIeee Transactions On Multimedia, 2005, v. 7 n. 5, p. 951-959en_HK
dc.identifier.issn1520-9210en_HK
dc.identifier.urihttp://hdl.handle.net/10722/44786-
dc.description.abstractIn this paper, we propose a new approach to establishing application layer conference trees for multimedia multipoint conferences on the Internet using the Megaco/H.248 protocol, a Voice over IP (VoIP) media gateway control protocol. In existing VoIP protocols (and also legacy telephone networks), a multipoint conference takes place through an MCU, and forms a star topology centered at the MCU. This paper suggests to establishing shared, cost effective conference trees for VoIP conferences. Each tree is rooted at the conference initiator, who initiates the conference, and spans over all the conference members. Tree branches grow or are trimmed dynamically and adaptively, in a way to avoid the growth of a skewed tree. We develop a simplified analytical model and conduct simulations to evaluate the performance of the proposed approach. The results show that our approach enjoys the advantage of lower join latency and better bandwidth efficiency compared to the traditional MCU approach, and is cost effective compared to a near optimal Steiner tree. © 2005 IEEE.en_HK
dc.format.extent831316 bytes-
dc.format.extent4152649 bytes-
dc.format.extent23319 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherI E E E. The Journal's web site is located at http://www.ieee.org/organizations/tab/tmm.htmlen_HK
dc.relation.ispartofIEEE Transactions on Multimediaen_HK
dc.rights©2005 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectConference treeen_HK
dc.subjectMCUen_HK
dc.subjectMegaco/H.248en_HK
dc.subjectMultipoint conferenceen_HK
dc.titleApplication-layer conference trees for multimedia multipoint conferences using megaco/H.248en_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1520-9210&volume=7&issue=5&spage=951&epage=959&date=2005&atitle=Application-Layer+conference+trees+for+multimedia+multipoint+conferences+using+megaco/H.248en_HK
dc.identifier.emailLi, VOK:vli@eee.hku.hken_HK
dc.identifier.authorityLi, VOK=rp00150en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1109/TMM.2005.854387en_HK
dc.identifier.scopuseid_2-s2.0-26844502828en_HK
dc.identifier.hkuros121750-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-26844502828&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume7en_HK
dc.identifier.issue5en_HK
dc.identifier.spage951en_HK
dc.identifier.epage959en_HK
dc.identifier.isiWOS:000232084900016-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridLiao, W=7203056932en_HK
dc.identifier.scopusauthoridChang, JC=7601551344en_HK
dc.identifier.scopusauthoridLi, VOK=7202621685en_HK

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