Title :
FDDI-2 packet services and latency adjustment buffers
Author :
Barilovits, S. ; Kadambi, J.
Author_Institution :
MultiMedia LANs, Charlotte, NC, USA
Abstract :
FDDI-2 is an extension of the fiber distributed data interface (FDDI) standards that integrates isochronous circuit switched services with the timed token protocol packet services of FDDI. An expression is derived to describe the effects of hybrid mode operation on the packet channel token rotation time, which is dependent on the maximum isochronous transmission rate. The management of packet data in several possible latency adjustment buffer (LAB) implementations during steady state and programming template changes is described. One basic choice is to operate the LAB as a strict FIFO, keeping a fixed network delay, and another performs more efficient delay management by bypassing the isochronous delay when possible. LAB operation and programming template changes greatly affect the operation of the packet channel. Both affect the range of the token rotation time that is used in the packet channel
Keywords :
FDDI; delays; packet switching; protocols; standards; token networks; FDDI-2 packet services; FIFO; delay management; hybrid mode operation; isochronous circuit switched services; latency adjustment buffer; latency adjustment buffers; packet channel; packet channel token rotation time; standards; timed token protocol packet services; Access protocols; Bandwidth; Delay; Dynamic programming; FDDI; Multiplexing; Packet switching; Physical layer; Switches; Switching circuits;
Conference_Titel :
Local Computer Networks, 1993., Proceedings., 18th Conference on
Conference_Location :
Minneapolis, MN
Print_ISBN :
0-8186-4510-5
DOI :
10.1109/LCN.1993.591216
