HP 100BaseT Guide de l'utilisateur télécharger pdf (Page 32)

HP 100Base-T Hubs Installation and Reference Guide

1-12 Product Overview

Although cut-though switching is recommended as the fastest

method for most applications, the other methods mentioned

above are also supported by the Switch Port Modules to

guarantee flawless performance. To ensure that you can

manage any kind of network load, the modules use adaptive

cut-through switching based on an algorithm. This method

dynamically changes the way it handles data based on the

current error rate. These switching alternatives start at standard

cut-through for a clean data environment, change to fragment-

free cut-through for a moderate error rate, and then progress to

store-and-forward for a highly contentious environment. By

using this method, the Switch Port Modules deliver the best

networking performance under any environment.

Moreover, in addition to using adaptive switching to optimize

throughput, these modules also support back pressure to

eliminate frame loss after the switch port’s buffers (that store

incoming packets) fill by “blocking” unwanted traffic from

being passed onto a segment.

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HP 100BaseT Guide de l'utilisateur Page 32