Caching remote switch information in a fibre channel switch

Caching remote switch information in a fibre channel switch

A network of switches with a distributed name server configuration and caching of remote node device information is disclosed. The network preferably comprises a first switch coupled to a second switch. Each of the switches directly couple to respective node devices. The first switch maintains a nam...

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Hauptverfasser: HAMMONS RICHARD L, PATHAK LALIT D, TSAI RAYMOND C
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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creator HAMMONS RICHARD L
PATHAK LALIT D
TSAI RAYMOND C
description A network of switches with a distributed name server configuration and caching of remote node device information is disclosed. The network preferably comprises a first switch coupled to a second switch. Each of the switches directly couple to respective node devices. The first switch maintains a name server database about its local node devices, as does the second switch. The second switch further maintains a information cache about remote node devices. The name server preferably notifies other switches of changes to the database, and the cache manager preferably uses the notifications from other switches to maintain the cache. The name server accesses the cache to respond to queries about remote node devices. The cache manager may also aggregate notification messages from other switches when notifying local devices of state changes. Traffic overhead and peak traffic loads may advantageously be reduced.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title Caching remote switch information in a fibre channel switch
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