1 Scope
2 References
3 Definitions
4
Abbreviations and Acronyms
5 Client/server VPNs
5.1 Client/server combinations
5.2 VPN client layer transparency
6 Peer level VPNs
6.1 Packet/route filtering
6.2 Encryption
6.3 Ethernet VLANs
7 Functional architecture of VPNs
7.1 Connection-orientated VPN layer networks
7.2 Connectionless VPN layer networks
7.3 VPN client/server relationships
7.4 Multiple VPN client layers
7.5 Multiple VPN server layers
7.6 VPN modelling using partitioning
7.7 VPN peer layer
8 VPN topology support
8.1 Full mesh VPN topologies
8.2 Partial mesh VPN topologies
8.3 Hub and spoke VPN topologies
9 VPN QoS considerations
9.1 Circuit-switched
layer networks
9.2 Packet-switched layer networks
10 Functions required for client/server VPN establishment
10.1 VPN server layer establishment
10.2 VPN client layer authentication/configuration
10.3 VPN client layer routing and signalling
11 Functions required for peer level VPN establishment
11.1 VPN membership discovery
11.2 CE/user authentication, authorization, and
accounting (AAA)
11.3 VPN peer layer routing
11.4 VPN peer layer network element configuration
12 VPN
OAM functions
12.1 Fault management
12.2 Performance management
12.3 OAM activation/deactivation
12.4 Defects relevant to each network mode
13 Functional convergence and service scenarios
13.1 Client/server VPN services scenarios
13.2 Peer level VPN scenarios
14 VPN security considerations
Appendix I – Location of VPN
client layer TCPs/TFPs
Appendix II – Client/server
VPNs with multiple VPN server layers
Appendix III – Examples of
client/server and peer level VPN service scenarios
BIBLIOGRAPHY