The present document develops the use cases and requirements for service continuity between a 3GPP network and another network, which can be:
- a TISPAN NGN with an IMS, accessed by a WLAN.
- an ISP accessed via a WLAN
Each access network has its own separate security system and the NOs have a commercial agreement for roaming and handover.
The present document considers use cases whereby:
Editors Note: Text to be added when use cases are agreed
The present document also examines the requirements and implications of:
- service aspects: maintaining service quality and service continuity, while roaming between a 3GPP PLMN and an independently-owned WLAN;
- security aspects: while roaming between a 3GPP PLMN and a WLAN, in particular when networks may be independently authenticated.
- UICC aspects, including NAA types, personalisation and ownership.
The present document is related to ongoing standardisation efforts in the following areas:
- where the WLAN is an I-WLAN , requirements for which are described in [3];
- methods for selecting the 3GPP or the non-3GPP access network, requirements for which are described in [2].
- Edition:
- 13.0.0
- Published:
- 01/01/2016
- Number of Pages:
- 26
- File Size:
- 1 file , 180 KB
- Note:
- This product is unavailable in Russia, Ukraine, Belarus
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