The purpose of the Packet layer window size information element is to indicate the requested layer 3 window size value to be used for the call. The values are binary encoded.
The Packet layer window size information element is coded as shown in Figure 4-41.
The maximum length of this information element is 4 octets.
Bits |
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8 |
7 |
6 |
5 |
4 |
3 |
2 |
1 |
Octets |
Packet layer window sizeInformation element identifier |
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0 |
1 |
0 |
0 |
0 |
1 |
0 |
1 |
1 |
Length of packer layer window size contents |
2 |
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1 ext. |
Forward value |
3 |
||||||
1 ext. |
Backward value |
4* |
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Note - This octet may be omitted. When omitted it indicates a request for the default value. |
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Packet layer window size information element