Name: draft-ietf-mpls-ldp-mtu-extensions-03
Title: Maximum Transmission Unit Signalling Extensions for the Label Distribution Protocol
State: Pending
Authors: Benjamin Black, Kireeti Kompella
Group: Multiprotocol Label Switching (mpls)
Date: 2004-04-09
Proper functioning of RFC 1191 path Maximum Transmission Unit (MTU)
discovery requires that IP routers have knowledge of the MTU for each link
to which they are connected. As currently specified, the Label Distribution
Protocol (LDP) does not have the ability to signal the MTU for a Label
Switched Path (LSP) to the ingress Label Switching Router (LSR). In the
absence of this functionality, the MTU for each LSP must be statically
configured by network operators or by equivalent, off-line mechanisms. This
document specifies experimental extensions to LDP in support of LSP MTU
discovery.
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