A Core MPLS IP VPN Architecture - PowerPoint PPT Presentation

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 Karthik Muthukrishnan INTERNET-DRAFT Chandrasekar Kathirvelu Expires May 2001 Lucent Technologies Andrew Malis Fred Ammann Vivace Networks, Inc. COMMCARE telecommunications Jing Ming Xiao Junichi Sumimoto China UNICOM NTT

IP VPN - Green Foods Paris Office Green Foods Berlin Office Remote Green Foods Workers PSTN/Cable/DSL/Wireless Boston Office Omni Present Green Foods Provider

IP VPN - Red Foods London Office Red Foods Omni Present Provider Paris Office Internet PSTN/DSL/Cable/ Red Foods Wireless

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 London Office Green Foods Red Foods London Provider Paris Provider International Paris Office Provider Red Foods Berlin Provider Boston Provider Berlin Office Green Foods Boston Office Green Foods

Hierarchical VPNs - Network Model Paris Office London Office Green Foods Red Foods London Provider VR VR VR Paris Provider VR VR VR VR VR VR VR International Paris Office Provider Red Foods VR Berlin Provider VR VR VR VR VR Boston Provider VR VR Berlin Office Green Foods Boston Office Green Foods

Hierarchical VPNs Paris Office London Office Green Foods Red Foods London Provider VR VR VR Paris Provider VR VR VR VR VR VR VR International Paris Office Provider Red Foods VR Berlin Provider VR VR VR VR VR VR Boston Provider VR Berlin Office Green Foods Boston Office Green Foods

VPN LSP Tunnels VR Inter VR link Inter VR link VR VR VR Purple VPN’s LSP Tunnel Inter VR link VR

Inter VR Links Level 1 VPN VR Level 2 VPN VR Inter VR link VR Level 2 VPN VR VR Inter VR link VR

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