1
Scope
1.1
Applicability
2
References
3
Terms and Definitions
3.1
Terms defined elsewhere
3.2
Terms defined in this Recommendation
4
Abbreviations and acronyms
5
Conventions
6
Overview – IP packet forwarding in ITU-T H.248 media gateways
6.1
Unidirectional model
6.2
Model for back-to-back IP host (B2BIH) mode
6.3
Model for native IP router (IPR) mode
6.4
MG-embedded router versus router-embedded MG
6.5
IPR mode
7
Traffic separation for B2BIH and IPR mode processing
7.1
Discrimination criteria – Disjoint address spaces for local hosts and
remote hops and hosts
7.2
"Local" delivery and context delivery decisions
8
IP-to-IP MG types – Mix of B2BIH and IPR mode processing
8.1
Hybrid B2BIH-IPR media gateway
8.2
B2BIH-only media gateway
8.3
IPR-only media gateway
9
IP Router Package
9.1
Properties
9.2
Events
9.3
Signals
9.4
Statistics
9.5
Error codes
9.6
Procedures
10
IP Router NAT Package
10.1
Properties
10.2
Events
10.3
Signals
10.4
Statistics
10.5
Error codes
10.6
Procedures
Appendix I – Routing tables and relation to route IPR contexts
I.1
Routing domains
I.2
Route advertisement and process of building tables
I.3
Interface IPR context and IIPR termination
Bibliography