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Qresync Status Pages

IMAP QRESYNC Extension (Concluded WG)
App Area: Barry Leiba | 2013-Apr-29 — 2014-May-27 

2013-04-29 charter

IMAP QRESYNC Extension (qresync)


 Current Status: Active

     Dave Cridland <dave@cridland.net>
     Eliot Lear <lear@cisco.com>

 Applications Area Directors:
     Barry Leiba <barryleiba@computer.org>
     Pete Resnick <presnick@qti.qualcomm.com>

 Applications Area Advisor:
     Barry Leiba <barryleiba@computer.org>

 Mailing Lists:
     General Discussion: imapext@ietf.org
     To Subscribe:       https://www.ietf.org/mailman/listinfo/imapext
     Archive:            http://www.ietf.org/mail-archive/web/imapext/

Description of Working Group:

  The Internet Message Access Protocol (IMAP), defined in RFC 3501,
  specifies a protocol for accessing email messages on a server that
  implements a message store from a client. It also includes commands for
  manipulating the message store -- creating, deleting, and renaming
  mailboxes, adding a message to a mailbox, and copying messages from one
  mailbox to another.

  Base IMAP as described in RFC 3501 requires that in order to discover
  flag changes and expunged messages in a mailbox, the client has to fetch
  flags for all messages it knows in the mailbox and compare returned
  results with its own state.

  This can generate a significant amount of traffic for big mailboxes. The
  IMAP CONDSTORE extension (RFC 4551) provides a facility for IMAP clients
  to quickly resynchronize mailbox flag changes in a mailbox. The IMAP
  QRESYNC extension (RFC 5162) extends CONDSTORE to also cover expunged
  messages, and reduces the number of round trips needed to resynchronize
  by extending the SELECT/EXAMINE command.

  The CONDSTORE and QRESYNC extensions are deployed in both clients and
  servers.  These deployments have exposed errors and clarity issues in
  the specifications, and they need correcting.  The IMAP QRESYNC
  Extension working group has the task of updating CONDSTORE and QRESYNC
  extensions on the Standards Track.

  The working group might produce one (combined) or two separate documents
  (as now) updating these extensions. The working group will review errata
  and update the documents as needed to incorporate those, and will
  correct significant errors and inconsistencies, but will keep changes at
  this stage to a minimum and avoid incompatible changes.

  No other IMAP extension work is in scope for this working group.

Goals and Milestones:
  Dec 2013 - Request publication on updated qresync/condstore spec(s)

All charter page changes, including changes to draft-list, rfc-list and milestones:

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