Harmonic DiffServ: Provisioning Scalable Heterogeneous-QoS Multicast in DiffServ Networks

in International Symposium (oral presentation paper), 國際研討會(全文口頭發表)
標題Harmonic DiffServ: Provisioning Scalable Heterogeneous-QoS Multicast in DiffServ Networks
出版類型國際研討會(全文口頭發表)
出版年度2003
AuthorsSheau-Ru Tong, 童曉儒, & Chun-Cheng Chang C. - C. C.
出版日期Jul 1 2003 12:0
會議地點Baltimore
其他編號0000
中文摘要

A scalable quality-of-service (QoS) mechanism, termed harmonic DiffServ, is presented in this
paper for supporting many-to-many heterogeneous-QoS multicasts in the DiffServ networks. In principle. if
restricts data to be distributed using a limited number of multicast addresses (channels). In order to
differentiate traffic with different QoS within a multicast channel. a small number of undefined DS codepoints
(DSCP) are reserved for marking packets, and dynamic associations between DSCPs and service types ore
maintained in output ports of routers. We show that with proper arrangement on the usage of small numbers of
multicast addresses and DSCPs, the forwarding information con be effectively shored among senders, which in
turn significantly improver the system scalability.

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