E2E Signalling Optimization

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  • Case:  There is high percentage of  SCTP Retransmission in the signaling link of X2 interfaces. It could affect all signaling X2 network procedure.
  • Solution: We created a multi-vendor golden standard for SCTP Parameters. Then, apply it to the all X2 multi-vendor links. Transport QoS Validation. SCTP S1 validation it is required.
  • Result: Reduce 65% of the X2 SCTP Retransmision. Reduction of the signaling links and association failures. 

 

  1. Rollout was performed in all the AT&T network where was Overlay scenario. 2710 Nodes were configurated.
  2. Heat Map showed a significant improvement
  3. RTX decrease more than 65% which were unnecessary RTX in SCTP.

 

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