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Data Compression Overview

117352-D Rev. 00

2-9

Figure 2-1. CCP and WCP 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

DC0001A

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Avaya Configuring Data Compression Services Manual do Utilizador Página 39