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Classical Ethernet Services, Evolution to VPLS (an L2VPN), VPLS Operation Vishal Sharma, Ph.D. Metanoia, Inc. Web:

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Presentation on theme: "Classical Ethernet Services, Evolution to VPLS (an L2VPN), VPLS Operation Vishal Sharma, Ph.D. Metanoia, Inc. Web:"— Presentation transcript:

1 Classical Ethernet Services, Evolution to VPLS (an L2VPN), VPLS Operation Vishal Sharma, Ph.D. Metanoia, Inc. Web: Metanoia, Inc. Critical Systems Thinking™ © Copyright All Rights Reserved

2 Metanoia, Inc. Critical Systems Thinking™  Copyright All Rights Reserved 2 Classical L2 VPNs Provider provisions circuits between CE devices (p2p VCs) PE’s act as virtual circuit switch Forwarding between CE’s depends on on VC, not frame contents High availability  use ATM restoration, run circuits over Layer 1 Provider’s Core Network

3 Metanoia, Inc. Critical Systems Thinking™  Copyright All Rights Reserved 3 Classical Ethernet Service LAN Switching Application LAN Routing Application

4 Metanoia, Inc. Critical Systems Thinking™  Copyright All Rights Reserved 4 L2 VPN Components What does the P1-PE2 connection really look like?

5 Metanoia, Inc. Critical Systems Thinking™  Copyright All Rights Reserved 5 L2 VPN Component Details PSN: Packet Switched Network PWs: Pseudo-Wire(s) CE: Customer Edge (device) PE: Provider Edge (device) P: Provider Router (interior)

6 Metanoia, Inc. Critical Systems Thinking™  Copyright All Rights Reserved 6 Virtual Private Wire Service (VPWS) Control Plane Operation

7 Metanoia, Inc. Critical Systems Thinking™  Copyright All Rights Reserved 7 VPWS – Data Plane Operation

8 Metanoia, Inc. Critical Systems Thinking™  Copyright All Rights Reserved 8 Virtual Private LAN Service (VPLS) Control Plane

9 Metanoia, Inc. Critical Systems Thinking™  Copyright All Rights Reserved 9 VPLS – Data Plane

10 Metanoia, Inc. Critical Systems Thinking™  Copyright All Rights Reserved 10 VPLS Network Overview

11 Metanoia, Inc. Critical Systems Thinking™  Copyright All Rights Reserved 11 VPLS Protocols Involved

12 Metanoia, Inc. Critical Systems Thinking™  Copyright All Rights Reserved 12 Data Plane: Flooding, Address Learning and Forwarding All address unknown frames (unicast, multicast, broadcast) flooded over corresponding PWs to all relevant PEs only


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