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A Primary-Backup Channel Approach to Dependable Real-Time Communication in Multihop Networks
January 1998 (vol. 47 no. 1)
pp. 46-61
ASCII Text
x 
 
Seungjae Han, Kang G. Shin, "A Primary-Backup Channel Approach to Dependable Real-Time Communication in Multihop Networks," IEEE Transactions on Computers, vol. 47, no. 1, pp. 46-61, January, 1998.
 
 
BibTex
x
 
@article{ 10.1109/12.656080,
author = {Seungjae Han and Kang G. Shin},
title = {A Primary-Backup Channel Approach to Dependable Real-Time Communication in Multihop Networks},
journal ={IEEE Transactions on Computers},
volume = {47},
number = {1},
issn = {0018-9340},
year = {1998},
pages = {46-61},
doi = {http://doi.ieeecomputersociety.org/10.1109/12.656080},
publisher = {IEEE Computer Society},
address = {Los Alamitos, CA, USA},
}
 
 
RefWorks Procite/RefMan/Endnote
x 
 
TY - JOUR
JO - IEEE Transactions on Computers
TI - A Primary-Backup Channel Approach to Dependable Real-Time Communication in Multihop Networks
IS - 1
SN - 0018-9340
SP46
EP61
EPD - 46-61
A1 - Seungjae Han,
A1 - Kang G. Shin,
PY - 1998
KW - Real-time communication
KW - primary and backup channels
KW - fast failure recovery
KW - multihop networks.
VL - 47
JA - IEEE Transactions on Computers
ER -
 

Abstract—Many applications require communication services with guaranteed timeliness and fault tolerance at an acceptable level of overhead. We present a scheme for restoring real-time channels, each with guaranteed timeliness, from component failures in multihop networks. To ensure fast/guaranteed recovery, backup channels are set up a priori, in addition to each primary channel. That is, a dependable real-time connection consists of a primary channel and one or more backup channels. If a primary channel fails, one of its backup channels is activated to become a new primary channel. We propose a protocol which provides an integrated solution for dependable real-time communication in multihop networks. We also present a resource sharing method that significantly reduces the overhead of backup channels. Good coverage (in recovering from failures) is shown to be achievable with about 30 percent degradation in network utilization under a reasonable failure condition. Moreover, the fault tolerance level of each dependable connection can be controlled, independently of other connections, to reflect its criticality.

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Index Terms:
Real-time communication, primary and backup channels, fast failure recovery, multihop networks.
Citation:
Seungjae Han, Kang G. Shin, "A Primary-Backup Channel Approach to Dependable Real-Time Communication in Multihop Networks," IEEE Transactions on Computers, vol. 47, no. 1, pp. 46-61, Jan. 1998, doi:10.1109/12.656080
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