Avaya Configuring Data Compression Services Bedienungsanleitung PDF herunterladen (Seite 55)

Customizing Data Compression

117352-C Rev. 00

3-9

Modifying the History Size

To maximize throughput, you can modify the History Size parameter.

To modify this parameter for the line, access the WCP Line Interfaces List

window. To modify this parameter for a circuit, access the WCP Circuit Interfaces

List window.

For instructions on accessing configuration windows, see “Accessing

Configuration Windows” on page 3-2. For parameter descriptions, see

Appendix A, “Data Compression Parameters.”

Preventing Data Loss for PPP and Frame Relay

Buffer size is the amount of memory allocated to store the transmission history.

You must configure this parameter to protect against data loss if you run PPP or

frame relay. You can use a buffer size of None, Normal, Large, or Very Large. The

default value is Normal. Configure buffer space based on the following

conditions:

• Length of time it takes for data to travel over the link

A Normal buffer size is usually large enough for a coast-to-coast connection

within the United States. You may need a Large or Very Large buffer if your

link is over a satellite connection.

• Number of dropped packets

For a link with a high number of dropped packets, increase the buffer size. For

a link with a very low number of dropped packets, decrease the buffer size,

even to None, to conserve memory.

• Number of resets

For a link with a high number of resets and a low number of dropped packets,

increase the buffer size. Be aware, however, that a high number of resets may

occur for reasons unrelated to buffer size.

Note:

X.25 is a reliable protocol, which means that it has features that check

for errors and prevent data loss. Bay Networks data compression software

ignores the Buffer Size parameter for X.25.

1 2 ... 50 51 52 53 54 55 56 57 58 59 60 ... 73 74

Keine Kommentare

Avaya Configuring Data Compression Services Bedienungsanleitung Seite 55