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Last modified: Monday, August 29, 2005 

(1) When written as AToM, it is short for Any Transport over MPLS, a technology developed by Cisco for transporting Layer 2 packets over an IP/MPLS backbone. The technology is designed to let ISPs combine multiple disparate data networks -- such as Ethernet, ATM, Frame Relay, and Serial/PPP networks -- onto a single MPLS-based backbone to save operational costs.  AToM is sometimes called Layer 2 MPLS.

(2) Atom is the name of an XML-based Web content and metadata syndication format, and an application-level protocol for publishing and editing Web resources belonging to periodically updated Web sites. All Atom feeds must be well-formed XML documents, and are identified with the application/atom+xml media type. [Source: AtomEnabled]

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IETF AtomPub Working Group
The goal for the working group is to produce a single feed format and a single editing protocol; the working group will only consider additional formats or additional protocols if those charter changes are approved by the IESG.

MPLS AToM: Transport, Platform, and Release Specifics
The AToM documentation set describes the AToM features and explains how to implement them.

The Atom Publishing Protocol
The Atom Publishing Protocol is an application-level protocol for publishing and editing Web resources belonging to periodically updated websites. The protocol at its core is the HTTP transport of Atom-formatted representations. The Atom format is documented in the Atom Syndication Format.

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