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LTE : What is th use of "Tunnel Information for BBF" IE carrying within the handover notify message ?

+2 votes
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LTE : What is th use of "Tunnel Information for BBF" IE carrying within the handover notify message ?
posted Feb 11, 2016 by Harshita

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+2 votes

In case of S1-handover with the MME relocation, source MME sends an information "Target Identification" to target MME.
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Can someone tell me what the purpose behind to send TAC as part of Target Id IE ?

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I found two MME UE S1-AP IDs i.e. MME UE S1AP ID (Mandatory) and MME UE S1AP ID 2 (optional).
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