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

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Politecnico di Torino Riccardo Scandariato riccardo.scandariato@polito.it

An Information Model for PPVPNs An Information Model for PPVPNs

draft-scandariato-ppvpn-info-model-00.txt

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Agenda Agenda

Reference Model

Extensions

Management

Proposal for SW representation of resources

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Reference Model Reference Model

BN CN CED CED CN Provider Network Area

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Reference Model (ii) Reference Model (ii)

IP IP IP

IP IP MPLS MPLS

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Reference Model (iii) Reference Model (iii)

IPSec LSP

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Reference Model (iv) Reference Model (iv)

Support for areas

Integration of different technologies Manageability

We take core nodes into account

Traffic Engineering

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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

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Abstractive Approach Abstractive Approach

Customer view A connectivity A topology

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Information Model Information Model

PhyDevice BoundTo Tunnel TopologicalLink RunsOn ServedBy TopLink BorderNode PhyInterface VxInterface CoreNode VxRouter Tunnel AreaTopology AreaConnView

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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

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Thank you! Thank you!

Patricia Lago Assistant Professor patricia.lago@polito.it Riccardo Scandariato Ph.D. Student riccardo.scandariato@polito.it