Title :
A multicasting solution for ATM video applications
Author :
Tsai, Jer-Min ; Fang, Hsin-Hsiung ; Lee, Chen-Yi
Author_Institution :
Dept. of Electron. Eng., Nat. Chiao Tung Univ., Hsinchu, Taiwan
fDate :
8/1/1997 12:00:00 AM
Abstract :
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 a link-list based ring structure, the multicast server can provide a 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 quality of service (QoS) management, this proposed solution provides multi-QoS for multicast cells to meet the needs of various video applications
Keywords :
CMOS digital integrated circuits; VLSI; asynchronous transfer mode; buffer storage; communication complexity; queueing theory; scheduling; shared memory systems; telecommunication network routing; visual communication; 0.8 micron; 5 ns; ATM video applications; CMOS; cascadable multicast translating function; cell duplicating function; channel complexity; destination ports; input multicast cell; link-list based ring structure; multicasting queue; multicasting solution; multipoint-to multipoint multicast applications; one-to-many modified demux circuit; quality of service management; routing; scheduling functions; shared multicast server; shared-buffer ATM switch; shared-buffer controller; Asynchronous transfer mode; B-ISDN; Circuits; Communication system control; Delay; Quality of service; Routing; Switches; Video sharing; Videoconference;
Journal_Title :
Circuits and Systems for Video Technology, IEEE Transactions on
