Table of Contents - Q.3957 (04/2025) - Interoperability testing suite for cloud-based control plane and pooled user plane of virtualized broadband network gateway

1	Scope
2	References
3	Definitions
	3.1	Terms defined elsewhere
	3.2	Terms defined in this Recommendation
4	Abbreviations and acronyms
5	Conventions
6	Overview of IOPT framework for vBNG-CP and vBNG-PUP
7	Interoperability testing cases between vBNG-CP and vBNG-PUP
	7.1	Test case: Establish the management channel
	7.2	Test case: Establish the control channel
	7.3	Test case: Establish the service channel
	7.4	Test case: PPPoE
	7.5	Test case: IPoE
	7.6	Test case: vBNG-CP (1+1 hot standby deployment) switching between master vBNGCP and backup vBNG-CP
	7.7	Test case: vBNG-CP (1:1 cold standby deployment) switching between master vBNGCP and backup vBNG-CP
8	Interoperability testing cases between different vBNG-PUPs
	8.1	Test case: vBNG-PUP joins the warm standby group
	8.2	Test case: Interface switching in vBNG-PUP N+1 warm standby group (Switch over during the user accessing process)
	8.3	Test case: Interface switching in vBNG-PUP N+1 warm standby group (Switch over during the forwarding process)
	8.4	Test case: Interface switching in vBNG-PUP N+1 warm standby group (Switch back during the user accessing process)
	8.5	Test case: Interface switching in vBNG-PUP N+1 warm standby group (Switch back during the forwarding process)
	8.6	Test case: Interface switching in vBNG-PUP N:1 warm standby group (Switch over during the user accessing process)
	8.7	Test case: Interface switching in vBNG-PUP N:1 warm standby group (Switch over during the forwarding process)
	8.8	Test case: Interface switching in vBNG-PUP N:1 warm standby group (Switch back during the user accessing process)
	8.9	Test case: Interface switching in vBNG-PUP N:1 warm standby group (Switch back during the forwarding process)
	8.10	Test case: Interface switching in vBNG-PUP N:1 cold standby group (Switch over during the user accessing process)
	8.11	Test case: Interface switching in vBNG-PUP N:1 cold standby group (Switch over during the forwarding process)
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	8.12	Test case: Interface switching in vBNG-PUP N:1 cold standby group (Switch back during the user accessing process)
	8.13	Test case: Interface switching in vBNG-PUP N:1 cold standby group (Switch back during the forwarding process)
	8.14	Test case: CGN switching (cold standby)
	8.15	Test case: CGN switching (warm standby)