FDDI-2 packet services and latency adjustment buffers

Author

Barilovits, S. ; Kadambi, J.

Author_Institution

MultiMedia LANs, Charlotte, NC, USA

fYear

1993

fDate

19-22 Sep 1993

Firstpage

176

Lastpage

185

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;

fLanguage

English

Publisher

ieee

Conference_Titel

Local Computer Networks, 1993., Proceedings., 18th Conference on

Conference_Location

Minneapolis, MN

ISSN

0742-1303

Print_ISBN

0-8186-4510-5

Type

conf

DOI

10.1109/LCN.1993.591216

Filename

591216