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Hardware Compression ..................................................................................................2-3
Hardware Compression for the BN ..........................................................................2-4
Hardware Compression for the ASN ........................................................................2-4
Hardware Compression Contexts ............................................................................2-4
How Data Compression Works .......................................................................................2-5
CCP Negotiations .....................................................................................................2-7
WCP Negotiations ....................................................................................................2-7
Data Transmission ..........................................................................................................2-7
Compression Features for Specific Protocols .................................................................2-8
Frame Relay Services ..............................................................................................2-8
Frame Relay Hybrid Access ..............................................................................2-8
Frame Relay Dial Backup ..................................................................................2-8
Frame Relay Multiline ........................................................................................2-9
PPP Services ...........................................................................................................2-9
PPP Multiline .....................................................................................................2-9
PPP Multilink ...................................................................................................2-10
PPP Bandwidth-on-Demand ............................................................................2-10
PPP Dial-on-Demand ......................................................................................2-10
PPP Dial Backup .............................................................................................2-10
X.25 Services .........................................................................................................2-11
X.25 PDN and DDN Services ..........................................................................2-11
Adjusting X.25 Max Window Size ....................................................................2-11
Summary of Bay Networks Data Compression Features .............................................2-11
Software-Based Data Compression .......................................................................2-12
Hardware-Based Data Compression .....................................................................2-12
Chapter 3
Customizing Data Compression
Allocating Compression Memory ....................................................................................3-1
Maximizing Compression Ratio ................................................................................3-1
Maximizing Throughput ............................................................................................3-2
8 KB History Size ...............................................................................................3-2
32 KB History Size .............................................................................................3-2
History Size with Hardware Compression .........................................................3-3
Preventing Data Loss for Frame Relay and PPP .....................................................3-4
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