Avaya Configuring Data Compression Services Manual de usuario descargar pdf (Pagina 6)

117352-E Rev 00

Chapter 2

Data Compression Overview

Bay Networks Compression Services ............................................................................2-2

Data Compression Architecture ......................................................................................2-3

LZ-77 Algorithm .......................................................................................................2-3

Hi/fn LZS Algorithm ..................................................................................................2-4

Compression Control Protocol (CCP) ......................................................................2-4

Bay Networks WAN Compression Protocol (WCP) ..................................................2-4

PPP Hi/fn LZS Compression Protocol ......................................................................2-5

Data Compression Performance ....................................................................................2-5

Hardware Compression ..................................................................................................2-5

Hardware Compression for the BN ..........................................................................2-6

Hardware Compression for the ASN ........................................................................2-6

Hardware Compression Contexts for WCP ..............................................................2-6

Hardware Compression Contexts for Hi/fn LZS .......................................................2-7

How Data Compression Works .......................................................................................2-8

CCP Negotiations ...................................................................................................2-10

WCP Negotiations ..................................................................................................2-10

Data Transmission ..................................................................................................2-11

Compression Features for Specific Protocols ...............................................................2-11

PPP Services .........................................................................................................2-11

PPP Multiline ...................................................................................................2-11

PPP Multilink ...................................................................................................2-12

PPP Dial-on-Demand ......................................................................................2-13

PPP Dial Backup .............................................................................................2-13

Frame Relay Services ............................................................................................2-13

Frame Relay Hybrid Access ............................................................................2-13

Frame Relay Dial-on-Demand .........................................................................2-14

Frame Relay Dial Backup ................................................................................2-14

X.25 Services .........................................................................................................2-15

X.25 PDN and DDN Services ..........................................................................2-15

Adjusting X.25 Max Window Size ....................................................................2-15

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Avaya Configuring Data Compression Services Manual de usuario Pagina 6