A Core MPLS IP VPN Architecture - Internet Engineering Task Force

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A Core MPLS IP VPN. Architecture draft-muthukrishnan-rfc2917bis-00.txt. Chandrasekar Kathivelu. Karthik Muthukrishnan. IETF - San Diego, 12/00 ...
A Core MPLS IP VPN Architecture draft-muthukrishnan-rfc2917bis-00.txt Chandrasekar Kathivelu Karthik Muthukrishnan

IETF - San Diego, 12/00

I-D Authors Internet Engineering Task Force INTERNET-DRAFT Expires May 2001

Karthik Muthukrishnan Chandrasekar Kathirvelu Lucent Technologies

Andrew Malis Vivace Networks, Inc.

Fred Ammann COMMCARE telecommunications

Jing Ming Xiao China UNICOM

Junichi Sumimoto NTT

IP VPN - Green Foods Paris Office Green Foods Berlin Office Green Foods

Remote Workers PSTN/Cable/DSL/Wireless Boston Office Green Foods

Omni Present Provider

IP VPN - Red Foods London Office Red Foods

Omni Present Provider PSTN/DSL/Cable/ Wireless

Internet

Paris Office Red Foods

Problem Statement • Omni present provider rarely present.. • Regional providers provide last mile service • National/International carriers provide global connectivity • Need bridge to connect regional and global carriers

Hierarchical VPNs - Business Model Paris Office Green Foods

London Office Red Foods

London Provider Paris Provider International Provider

Paris Office Red Foods

Berlin Provider Boston Provider Berlin Office Green Foods Boston Office Green Foods

Hierarchical VPNs - Network Model Paris Office Green Foods

London Office Red Foods

London Provider VR

VR

VR

Paris Provider VR

VR

VR VR

VR

International Provider

VR

VR

Paris Office Red Foods VR

VR VR

Boston Provider VR

VR

Berlin Provider VR VR

VR

Berlin Office Green Foods Boston Office Green Foods

Hierarchical VPNs Paris Office Green Foods

London Office Red Foods

London Provider VR

VR

VR

Paris Provider VR

VR VR

International Provider

VR

VR

VR

VR

Paris Office Red Foods VR

VR

VR Berlin

VR

VR VR Boston Provider

Provider VR

VR

Berlin Office Green Foods Boston Office Green Foods

VPN LSP Tunnels

Inte r VR VR

ink l R V Inter

link VR

VR

VR

Purple VPN’s LSP Tunnel

Inter

VR l in

k

VR

Inter VR Links VR

VR

Inter

VR

ink l R V

VR

Inter

VR l in

k VR

VR

Level 1 VPN Level 2 VPN Level 2 VPN

Inter VR Links • Supports hierarchical relationship • Level 1 .. Level 2 .. Level N VPNs

• Supports peering relationship • Internet connectivity • Inter VPN [controlled] connectivity – Controlled by standard routing policies at both ends

• More details coming soon in a draft