A new Request for Comments is now available in online RFC libraries.

        RFC 3035

        Title:      MPLS using LDP and ATM VC Switching
        Author(s):  B. Davie, J. Lawrence, K. McCloghrie, Y. Rekhter,
                    E. Rosen, G. Swallow, P. Doolan
        Status:     Standards Track
        Date:       January 2001
        Mailbox:    bsd@cisco.com, pdoolan@ennovatenetworks.com,
                    jlawrenc@cisco.com, kzm@cisco.com,
                    yakov@juniper.net, erosen@cisco.com,
        Pages:      20
        Characters: 46463
        Updates/Obsoletes/SeeAlso:  None

        I-D Tag:    draft-ietf-mpls-atm-04.txt

        URL:        ftp://ftp.isi.edu/in-notes/rfc3035.txt

The Multiprotocol Label Switching (MPLS) Architecture discusses a
way in which Asynchronous Transfer Mode (ATM) switches may be used as
Label Switching Routers.  The ATM switches run network layer routing
algorithms (such as Open Shortest Path First (OSPF), Intermediate
System to Intermediate System (IS-IS), etc.), and their data
forwarding is based on the results of these routing algorithms.  No
ATM-specific routing or addressing is needed.  ATM switches used in
this way are known as ATM-LSRs (Label Switching Routers).

This document extends and clarifies the relevant portions of and
by specifying in more detail the procedures which to be used when
distributing labels to or from ATM-LSRs, when those labels represent
Forwarding Equivalence Classes (FECs) for which the routes are
determined on a hop-by-hop basis by network layer routing algorithms.

This document also specifies the MPLS encapsulation to be used when
sending labeled packets to or from ATM-LSRs.

This document is a product of the Multiprotocol Label Switching
Working Group of the IETF.

This is now a Proposed Standard Protocol.

This document specifies an Internet standards track protocol for
the Internet community, and requests discussion and suggestions
for improvements.  Please refer to the current edition of the
"Internet Official Protocol Standards" (STD 1) for the
standardization state and status of this protocol.  Distribution
of this memo is unlimited.

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