Name: draft-shah-l2vpn-arp-mediation-01
Title: ARP Mediation for IP Interworking of Layer 2 VPN
State: Active
Authors: Himanshu Shah
Group: Individual Submissions (none)
Date: 2004-07-23
The VPWS service [L2VPN Framework] provides point-to-point connections
between pairs of Customer Edge (CE) devices. It does so by binding two
Attachment Circuits (each connecting a CE device with a Provider Edge, PE,
device) to a Pseudowire (connecting the two PEs). In general, the
Attachment Circuits must be of the same technology (e.g., both ethernet,
both ATM), and the Pseudowire must carry the frames of that technology.
However, if it is known that the frames' payload consists solely of IP
datagrams, it is possible to provide a point-to-point connection in which
the Pseudowire connects Attachment Circuits of different technologies. This
requires the PEs to perform a function known as "ARP Mediation". This
document specifies the ARP Mediation function, and specifies
draft-shah-l2vpn-arp-mediation-00.txt the encapsulation used to carry the
IP datagrams on the Pseudowires when ARP mediation is used.
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