An Information Model for An Information Model for PPVPNs PPVPNs - PDF document

An Information Model for An Information Model for PPVPNs PPVPNs draft-scandariato-ppvpn-info-model-00.txt Riccardo Scandariato Politecnico di Torino riccardo.scandariato@polito.it Agenda Agenda Reference Model Extensions Management Proposal for SW representation of resources 50th IETF 2 1

Reference Model Reference Model Provider Network Area BN CN CED CN CED 50th IETF 3 Reference Model (ii) Reference Model (ii) IP IP IP MPLS IP IP MPLS 50th IETF 4 2

Reference Model (iii) Reference Model (iii) LSP IPSec 50th IETF 5 Reference Model (iv) Reference Model (iv) Support for areas Integration of different technologies Manageability We take core nodes into account Traffic Engineering 50th IETF 6 3

Quote Of The Day Quote Of The Day “In order to facilitate the service management, a logical view of the network indicating VPN topology above the backbone topology is useful” draft-ietf-ppvpn-requirements-00.txt 50th IETF 7 Abstractive Approach Abstractive Approach Customer view A connectivity A topology 50th IETF 8 4

Information Model Information Model AreaTopology TopologicalLink PhyDevice PhyInterface TopLink CoreNode BorderNode ServedBy BoundTo RunsOn VxInterface Tunnel VxRouter Tunnel AreaConnView 50th IETF 9 SW representation SW representation Two layers of abstraction Topology View (e.g. Links and Devices) Connectivity View (e.g. Tunnels and VFIs) Mapping between Connectivity entities and Topology entities Management architecture VPN requests expressed at topmost level VPN management&verification operated at lower levels 50th IETF 10 5

Thank you! Thank you! Patricia Lago Assistant Professor patricia.lago@polito.it Riccardo Scandariato Ph.D. Student riccardo.scandariato@polito.it 50th IETF 11 6