Avaya Configuring Data Compression Services User Manual download pdf (Page 23)

Data Compression Overview

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Figure 1-1. CCP, WCP, and NCP Initialization on a PPP Link

Router A Router B

1. PPP interface on network; LCP negotiations complete; begin CCP negotiations:

Send Initialization-Request

Send Initialization-ACK

2. CCP negotiations complete; begin WCP negotiations, including compression mode,

history size, and buffer size:

Send Configure-Request

Send Configure-ACK

Send Initialization-Request

Send Initialization-ACK

3. WCP negotiations complete; begin NCP negotiations:

4. NCP open; begin transmitting data:

Send Data

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Avaya Configuring Data Compression Services User Manual Page 23