| Asset ID: |
1-71-2287440.1 |
| Update Date: | 2017-07-20 |
| Keywords: | |
Solution Type
Technical Instruction Sure
Solution
2287440.1
:
Why Does DSR Send FORWARD_TSN?
| Related Items |
- Oracle Communications Diameter Signaling Router (DSR)
|
| Related Categories |
- PLA-Support>Sun Systems>CommsGBU>Global Signaling Solutions>SN-SND: Tekelec DSR
|
In this Document
Created from <SR 3-15209985471>
Applies to:
Oracle Communications Diameter Signaling Router (DSR) - Version DSR 5.0 and later
Information in this document applies to any platform.
Goal
To answer the general question on why the Forward_TSN is sent by an SCTP endpoint (i.e., the DSR)
Solution
The Forward_TSN chunk type is part of the SCTP protocol and is used by the sender to inform the receiver to move the cumulative acknowledgment forward.
This means that if the receiver of the Forward_TSN had previously indicated that a TSN was missing in the sequence, the sender of the Forward_TSN is now indicating that the missing TSN would not be sent and that the receiver should move the cumulative acknowledgement up to include the missing TSN.
RFC3758 - SCTPÂ Partial Reliability Extension
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