Avaya Configuring Data Compression Services Instrukcja Użytkownika Pobierz pdf (Strona 57)

Customizing Data Compression

117352-D Rev. 00

3-11

To specify hardware or software compression for an interface configured with

Hi/fn LZS compression, complete the following tasks:

Selecting a Fallback Compression Mode

The fallback compression mode is the compression mode that you want to use

when no hardware compression contexts are available. You can set a fallback

compression mode for a WCP line interface or for a Hi/fn LZS interface.

When configuring a WCP line interface, the options are as follows:

• Software CPC -- a good choice for lower-speed links, 64 Kb/s or less. It

generally affords a better compression ratio than Hardware PPC.

• Hardware PPC -- a good choice for higher-speed links, greater than 64 Kb/s. It

provides better throughput than Software CPC.

• None -- a good choice for very high-speed links.

When configuring a Hi/fn LZS circuit interface, the options are as follows:

• Software CPC -- a good choice for lower-speed links, 64 Kb/s or less.

• None -- a good choice for extremely high-speed links, greater than 2.5 Mb/s.

Site Manager Procedure

You do this System responds

1. In the Configuration Manager window,

choose

Protocols

The

Protocols menu opens

2. Choose

Hi/fn LZS

. The Hi/fn LZS menu opens.

3. Choose

Interfaces

. The Hi/fn LZS Interface List window

opens.

4. Select an interface from the list.

5. Set the

Engine Type

parameter. Click on

Help

or see the parameter description on

page A-12.

6. Click on

Done

. You return to the Configuration Manager

window.

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