A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the IMAP QRESYNC Extension Working Group of the IETF.
Title : IMAP Extensions for Conditional STORE Operation or Quick Flag Changes Resynchronization (CONDSTORE) and Quick Mailbox Resynchronization (QRESYNC)
Author(s) : Alexey Melnikov
Dave Cridland
Filename : draft-ietf-qresync-rfc5162bis-05.txt
Pages : 49
Date : 2013-12-16
Abstract:
Often, multiple IMAP (RFC 3501) clients need to coordinate changes to
a common IMAP mailbox. Examples include different clients working on
behalf of the same user, and multiple users accessing shared
mailboxes. These clients need a mechanism to synchronize state
changes for messages within the mailbox. They must be able to
guarantee that only one client can change message state (e.g.,
message flags of the specific message being looked up) at any time.
An example of such an application is use of an IMAP mailbox as a
message queue with multiple dequeueing clients.
The Conditional Store facility provides a protected update mechanism
for message state information that can detect and resolve conflicts
between multiple writing mail clients.
The Conditional Store facility also allows a client to quickly
resynchronize mailbox flag changes.
This document additionally defines another IMAP extension, which
gives an IMAP client the ability to quickly resynchronize any
previously opened mailbox as part of the SELECT command, without the
need for server-side state or additional client round-trips. This
extension also introduces a new response that allows for a more
compact representation of a list of expunged messages (and always
includes the Unique Identifiers (UIDs) expunged).
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-qresync-rfc5162bis
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-qresync-rfc5162bis-05
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-qresync-rfc5162bis-05
Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.
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