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LTE: If all of a sudden enodeb shut down then how mme will know about enodeb?

+2 votes

If after attach procedure suddendly enodeb shut down then how mme will know about enodeb?

posted Aug 10, 2017 by anonymous

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1 Answer

+3 votes

An eNodeB and MME connects to each other using SCTP. SCTP supports "Heart beat mechanism" and using this each end of SCTP link keeps track of connection status. When a specified number of hear beat messages are unacknowledged, it is assumed peer is unavailable and thereafter defined actions are taken.

answer Aug 11, 2017 by Harshita
can u tell for how much time mme will wail for heartbeat ack to send release access bearer request to sgw.
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