A multicasting solution for ATM video applications

Jer Min Tsai*, Hsin Hsiung Fang, Chen-Yi Lee

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


This paper presents a multicasting solution for shared-buffer ATM switch. The cell duplicating function is performed by a one-to-many modified demux circuit. A shared multicast server is used to translate input multicast cells to find destination ports and corresponding routing information. By using link-list based ring structure, the multicast server can provide high speed (5 ns to search entry in 256-entry block in 0.8-μm CMOS process) and cascadable multicast translating function. In addition, the channel complexity of multipoint-to-multipoint multicast applications can be reduced to N channels per N users. The shared-buffer controller is modified by adding controlling and scheduling functions for multicasting queues to process the multicast feature. Finally with the aid of the quality of service (QoS) management, this proposed solution provides multi-QoS for multicast cells to meet the needs of various video applications.

Original languageEnglish
Pages (from-to)675-686
Number of pages12
JournalIEEE Transactions on Circuits and Systems for Video Technology
Issue number4
StatePublished - 1 Dec 1997


  • ATM switch
  • Communication system
  • Multicast cells
  • Quality of service
  • VLSI architecture

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