Additional Details On Connection Transport Measurements Statistic (Doc ID 2828781.1)

Last updated on MAY 19, 2023

Applies to:

Goal

Additional details on Connection Transport measurements statistic:

1. Stream Control Transmission Protocol (SCTP) statistics:
There is no average and peak Transmission (TX) buffer ma. There is only an Reception (RX) buffer.
What is meant by the RX buffer here and what units of measurement?

2. Similar questions on Transmission Control Protocol (TCP) statistics.
What does the TX and RX buffer show and what units of measurement?
How to understand from this statistics how many segments were sent?
Statistics of retransmisions are counted by segments, but where can I see the total number of segments sent?

3. Statistics on the RxSctpGapAck counter are off the scale.
By itself means the GAP ACK received.
Please explain, is this the number of Selective Acknowledgments (SACK) packets indicating the GAP ACK (there may be many of them in one SACK), or the total number of GAP intervals in all SACKS?
These values mean that the data must be re-transmitted, but SCTP RTX counter has very small values.
Has the Diameer Signaling Router (DSR) performed re-transmissions?
How to count the total number of these re-transmissions?

Solution

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