A Core MPLS IP VPN Architecture - - PowerPoint PPT Presentation

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a core mpls ip vpn architecture
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A Core MPLS IP VPN Architecture - - PowerPoint PPT Presentation

Dec 23, 2023 432 likes •561 views

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

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SLIDE 1

A Core MPLS IP VPN Architecture

draft-muthukrishnan-rfc2917bis-00.txt

Chandrasekar Kathivelu Karthik Muthukrishnan

IETF - San Diego, 12/00

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SLIDE 2

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

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SLIDE 3

Berlin Office Green Foods Boston Office Green Foods

IP VPN - Green Foods

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

Omni Present Provider

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SLIDE 4

Internet

IP VPN - Red Foods

Omni Present Provider

London Office Red Foods Paris Office Red Foods PSTN/DSL/Cable/ Wireless

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SLIDE 5

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

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SLIDE 6

Hierarchical VPNs - Business Model

Boston Provider

Boston Office Green Foods

International Provider Paris Provider Berlin Provider

Paris Office Green Foods Berlin Office Green Foods

London Provider

London Office Red Foods Paris Office Red Foods

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SLIDE 7

Hierarchical VPNs - Network Model

Boston Provider

Boston Office Green Foods

International Provider Paris Provider Berlin Provider

Paris Office Green Foods Berlin Office Green Foods

London Provider

London Office Red Foods Paris Office Red Foods

VR VR VR VR VR VR VR VR VR VR VR VR VR VR VR VR VR VR

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SLIDE 8

Hierarchical VPNs

Boston Provider

Boston Office Green Foods

International Provider Paris Provider Berlin Provider

Paris Office Green Foods Berlin Office Green Foods

London Provider

London Office Red Foods Paris Office Red Foods

VR VR VR VR VR VR VR VR

VR

VR VR VR VR VR VR VR VR VR

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SLIDE 9

VPN LSP Tunnels

VR VR VR VR VR

Inter VR link

Purple VPN’s LSP Tunnel

Inter VR link Inter VR link

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SLIDE 10

Inter VR Links

VR VR VR

Inter VR link Inter VR link

VR VR VR

Level 1 VPN Level 2 VPN Level 2 VPN

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SLIDE 11

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