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LTE: What is the actual use of re-set procedure over S6a interface ?

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LTE: What is the actual use of re-set procedure over S6a interface ?
posted Jan 24, 2014 by Harshita

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1 Answer

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The Reset Procedure shall be used by the HSS, after a restart, to indicate to the MME and to the SGSN that a failure has occurred. This procedure is mapped to the commands Reset-Request/Answer (RSR/RSA) in the Diameter Application.
Reset Request

Reset Answer

Reset-Request (RSR) Command
The Reset-Request (RSR) command, indicated by the Command-Code field set to 322 and the 'R' bit set in the Command Flags field, is sent from HSS to MME or SGSN.

Message Format
< Reset-Request> ::= < Diameter Header: 322, REQ, PXY, 16777251 >
< Session-Id >
[ Vendor-Specific-Application-Id ]
{ Auth-Session-State }
{ Origin-Host }
{ Origin-Realm }
{ Destination-Host }
{ Destination-Realm }
*[ Supported-Features ]
*[ User-Id ]
*[ AVP ]
*[ Proxy-Info ]
*[ Route-Record ]

Reset-Answer (RSA) Command
The Reset-Answer (RSA) command, indicated by the Command-Code field set to 322 and the 'R' bit cleared in the Command Flags field, is sent from MME or SGSN to HSS.
Message Format
< Reset-Answer> ::= < Diameter Header: 322, PXY, 16777251 >
< Session-Id >
[ Vendor-Specific-Application-Id ]
*[ Supported-Features ]
[ Result-Code ]
[ Experimental-Result ]
{ Auth-Session-State }
{ Origin-Host }
{ Origin-Realm }
*[ AVP ]
*[ Failed-AVP ]
*[ Proxy-Info ]
*[ Route-Record ]

I hope this satisfies your question.

answer Feb 25, 2014 by Hiteshwar Thakur
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