Block-Wise Transfers in the Constrained Application Protocol (CoAP)
RFC 7959

Revision differences

Document history

Date Rev. By Action
2020-04-11
21 (System) Received changes through RFC Editor sync (added Errata tag)
2018-12-20
21 (System)
Received changes through RFC Editor sync (changed abstract to 'The Constrained Application Protocol (CoAP) is a RESTful transfer protocol for constrained nodes and networks. Basic …
2018-07-26
Jenny Bui Posted related IPR disclosure: Huawei Technologies Co.,Ltd's Statement about IPR related to RFC 7959
2016-08-26
21 (System)
Received changes through RFC Editor sync (created alias RFC 7959, changed title to 'Block-Wise Transfers in the Constrained Application Protocol (CoAP)', changed abstract to 'The …
2016-08-26
21 (System) RFC published
2016-08-25
21 (System) RFC Editor state changed to AUTH48-DONE from AUTH48
2016-08-15
21 (System) RFC Editor state changed to AUTH48 from RFC-EDITOR
2016-08-01
21 (System) IANA Action state changed to RFC-Ed-Ack from Waiting on RFC Editor
2016-08-01
21 (System) RFC Editor state changed to RFC-EDITOR from IANA
2016-08-01
21 (System) IANA Action state changed to Waiting on RFC Editor from Waiting on Authors
2016-07-18
21 (System) RFC Editor state changed to IANA from EDIT
2016-07-14
21 Jean Mahoney Closed request for Last Call review by GENART with state 'No Response'
2016-07-11
21 (System) IANA Action state changed to Waiting on Authors
2016-07-11
21 (System) RFC Editor state changed to EDIT
2016-07-11
21 (System) IESG state changed to RFC Ed Queue from Approved-announcement sent
2016-07-11
21 (System) Announcement was received by RFC Editor
2016-07-11
21 Amy Vezza IESG state changed to Approved-announcement sent from IESG Evaluation::AD Followup
2016-07-11
21 Amy Vezza IESG has approved the document
2016-07-11
21 Amy Vezza Closed "Approve" ballot
2016-07-11
21 Amy Vezza Ballot approval text was generated
2016-07-09
21 Alexey Melnikov
[Ballot comment]
Remaining issues from my AD review: <https://www.ietf.org/mail-archive/web/core/current/msg07031.html>:

In 3.2:

  A stateless server that simply builds/updates the resource in place
  …
2016-07-09
21 Alexey Melnikov Ballot comment text updated for Alexey Melnikov
2016-07-08
21 (System) Sub state has been changed to AD Followup from Revised ID Needed
2016-07-08
21 Carsten Bormann New version available: draft-ietf-core-block-21.txt
2016-06-21
20 Alexey Melnikov I am still waiting for a reply to my last email in the thread that started with my AD review comments.
2016-05-14
20 Alexey Melnikov
[Ballot comment]
Remaining issues from my AD review: <https://www.ietf.org/mail-archive/web/core/current/msg07031.html>:

In 3.2:

  A stateless server that simply builds/updates the resource in place
  …
2016-05-14
20 Alexey Melnikov Ballot comment text updated for Alexey Melnikov
2016-05-14
20 Alexey Melnikov
[Ballot comment]
Remaining issues from my AD review: <https://www.ietf.org/mail-archive/web/core/current/msg07031.html>:

2.10:
  A response with a Block1 Option in control usage
  with the …
2016-05-14
20 Alexey Melnikov Ballot comment text updated for Alexey Melnikov
2016-05-14
20 Mirja Kühlewind
[Ballot comment]
Thanks for adding new text at the beginning of the doc. This addresses my previous concern and makes it usage more clear from …
2016-05-14
20 Mirja Kühlewind [Ballot Position Update] Position for Mirja Kühlewind has been changed to No Objection from Discuss
2016-05-12
20 Alexey Melnikov Revised ID is needed to address Mirja's DISCUSS and my review comments. Discussion of some of the finer points of my review is ongoing.
2016-05-12
20 Alexey Melnikov IESG state changed to IESG Evaluation::Revised I-D Needed from IESG Evaluation::AD Followup
2016-04-29
20 (System) Sub state has been changed to AD Followup from Revised ID Needed
2016-04-29
20 Carsten Bormann IANA Review state changed to Version Changed - Review Needed from IANA OK - Actions Needed
2016-04-29
20 Carsten Bormann New version available: draft-ietf-core-block-20.txt
2016-04-28
19 Tero Kivinen Closed request for Last Call review by SECDIR with state 'No Response'
2016-04-22
19 Alexey Melnikov Ballot approval text was generated
2016-04-22
19 Alexey Melnikov Ballot writeup was changed
2016-04-21
19 Cindy Morgan IESG state changed to IESG Evaluation::Revised I-D Needed from IESG Evaluation
2016-04-21
19 Ben Campbell
[Ballot comment]
I moved the following from a DISCUSS to a COMMENT, pending the next revision:

-- START:
This should be easy to clean up, …
2016-04-21
19 Ben Campbell [Ballot Position Update] Position for Ben Campbell has been changed to No Objection from Discuss
2016-04-21
19 Jari Arkko [Ballot comment]
No objection based on Jouni Korhonen's Gen-ART review. Thanks!
2016-04-21
19 Jari Arkko [Ballot Position Update] New position, No Objection, has been recorded for Jari Arkko
2016-04-21
19 Benoît Claise
[Ballot comment]
  CoAP is based on datagram transports such as UDP, which limit the
  maximum size of resource representations that can be transferred …
2016-04-21
19 Benoît Claise Ballot comment text updated for Benoit Claise
2016-04-21
19 Benoît Claise
[Ballot comment]
  CoAP is based on datagram transports such as UDP, which limit the
  maximum size of resource representations that can be transferred …
2016-04-21
19 Benoît Claise [Ballot Position Update] New position, No Objection, has been recorded for Benoit Claise
2016-04-20
19 Mirja Kühlewind
[Ballot discuss]
This is only a minor point, requesting to spell out implicit assumptions explicitly. However, I think it's important to address this before publication. …
2016-04-20
19 Mirja Kühlewind
[Ballot comment]
I agree with others that reduncy makes the doc harder to read, especially regarding SHOULDs and MUSTs. Would it be helpful to have …
2016-04-20
19 Mirja Kühlewind [Ballot Position Update] New position, Discuss, has been recorded for Mirja Kühlewind
2016-04-19
19 Suresh Krishnan
[Ballot comment]
Is there a specific reason that the 4.08 response code is overloaded for use for two different kinds of issues?

a) Mismatching Content-Format …
2016-04-19
19 Suresh Krishnan [Ballot Position Update] New position, No Objection, has been recorded for Suresh Krishnan
2016-04-19
19 Terry Manderson [Ballot Position Update] New position, No Objection, has been recorded for Terry Manderson
2016-04-19
19 Deborah Brungard [Ballot Position Update] New position, No Objection, has been recorded for Deborah Brungard
2016-04-19
19 Kathleen Moriarty [Ballot comment]
I agree with Stephen that the draft could read better if text duplication was reduced.
2016-04-19
19 Kathleen Moriarty [Ballot Position Update] New position, No Objection, has been recorded for Kathleen Moriarty
2016-04-19
19 Stephen Farrell
[Ballot comment]


The intro and early section 2 has quite a bit of argument
as to why this design is good or better than some …
2016-04-19
19 Stephen Farrell [Ballot Position Update] New position, No Objection, has been recorded for Stephen Farrell
2016-04-18
19 Jouni Korhonen Request for Telechat review by GENART Completed: Ready with Nits. Reviewer: Jouni Korhonen.
2016-04-18
19 Ben Campbell
[Ballot discuss]
This should be easy to clean up, and it's entirely possible I am misreading something. But Section 3.4, 2nd and 3rd paragraph seem …
2016-04-18
19 Ben Campbell Ballot discuss text updated for Ben Campbell
2016-04-18
19 Ben Campbell
[Ballot discuss]
This should be easy to clean up, and it's entirely possible I am misreading something. But Section 3.4, 2nd and 3rd paragraph seem …
2016-04-18
19 Ben Campbell Ballot discuss text updated for Ben Campbell
2016-04-18
19 Ben Campbell
[Ballot discuss]
This should be easy to clean up, and it's entirely possible I am misreading something. But Section 3.4, 2nd and 3rd paragraph seem …
2016-04-18
19 Ben Campbell
[Ballot comment]
Substantive:

- General: The draft dives into detail without giving much context until the examples. The reader is left to infer the forest …
2016-04-18
19 Ben Campbell [Ballot Position Update] New position, Discuss, has been recorded for Ben Campbell
2016-04-18
19 Alissa Cooper [Ballot Position Update] New position, No Objection, has been recorded for Alissa Cooper
2016-04-18
19 Alvaro Retana [Ballot Position Update] New position, No Objection, has been recorded for Alvaro Retana
2016-04-17
19 Spencer Dawkins
[Ballot comment]
Please consider whether you need to say more about UDP usage for this extension than what the base CORE specification says - RFC …
2016-04-17
19 Spencer Dawkins [Ballot Position Update] New position, No Objection, has been recorded for Spencer Dawkins
2016-04-16
19 Joel Jaeggli [Ballot Position Update] New position, No Objection, has been recorded for Joel Jaeggli
2016-04-13
19 Jean Mahoney Request for Telechat review by GENART is assigned to Jouni Korhonen
2016-04-13
19 Jean Mahoney Request for Telechat review by GENART is assigned to Jouni Korhonen
2016-04-08
19 Alexey Melnikov [Ballot comment]
My AD review: <https://www.ietf.org/mail-archive/web/core/current/msg07031.html>
2016-04-08
19 Alexey Melnikov [Ballot Position Update] New position, Yes, has been recorded for Alexey Melnikov
2016-04-06
19 Amy Vezza Shepherding AD changed to Alexey Melnikov
2016-04-04
19 Carsten Bormann Added to session: IETF-95: core  Tue-1740
2016-03-29
19 (System) IANA Review state changed to IANA OK - Actions Needed from Version Changed - Review Needed
2016-03-21
19 Barry Leiba IESG state changed to IESG Evaluation from Waiting for AD Go-Ahead::AD Followup
2016-03-21
19 Barry Leiba Ballot has been issued
2016-03-21
19 Barry Leiba [Ballot Position Update] New position, Yes, has been recorded for Barry Leiba
2016-03-21
19 Barry Leiba Created "Approve" ballot
2016-03-21
19 Barry Leiba Placed on agenda for telechat - 2016-04-21
2016-03-21
19 Barry Leiba Changed consensus to Yes from Unknown
2016-03-21
19 Carsten Bormann IANA Review state changed to Version Changed - Review Needed from IANA OK - Actions Needed
2016-03-21
19 Carsten Bormann New version available: draft-ietf-core-block-19.txt
2015-12-07
18 Barry Leiba Remaining in "waiting" state pending responses to...
Ops-Dir review: http://www.ietf.org/mail-archive/web/ops-dir/current/msg01567.html
Unresolved last call comment: http://www.ietf.org/mail-archive/web/core/current/msg06693.html
2015-12-07
18 Barry Leiba IESG state changed to Waiting for AD Go-Ahead::AD Followup from Waiting for AD Go-Ahead
2015-12-04
18 Gunter Van de Velde Request for Last Call review by OPSDIR Completed: Ready. Reviewer: Qin Wu.
2015-12-04
18 (System) IESG state changed to Waiting for AD Go-Ahead from In Last Call
2015-12-02
18 (System) IANA Review state changed to IANA OK - Actions Needed from IANA - Review Needed
2015-12-02
18 Sabrina Tanamal
(Via drafts-lastcall-comment@iana.org): IESG/Authors/WG Chairs:

IANA has completed its review of draft-ietf-core-block-18.txt. If any part of this review is inaccurate, please let us know.

IANA understands …
2015-11-29
18 Gunter Van de Velde Request for Last Call review by OPSDIR is assigned to Qin Wu
2015-11-29
18 Gunter Van de Velde Request for Last Call review by OPSDIR is assigned to Qin Wu
2015-11-26
18 Tero Kivinen Request for Last Call review by SECDIR is assigned to Jeffrey Hutzelman
2015-11-26
18 Tero Kivinen Request for Last Call review by SECDIR is assigned to Jeffrey Hutzelman
2015-11-23
18 Jean Mahoney Request for Last Call review by GENART is assigned to Suresh Krishnan
2015-11-23
18 Jean Mahoney Request for Last Call review by GENART is assigned to Suresh Krishnan
2015-11-20
18 Amy Vezza IANA Review state changed to IANA - Review Needed
2015-11-20
18 Amy Vezza
The following Last Call announcement was sent out:

From: The IESG <iesg-secretary@ietf.org>
To: "IETF-Announce" <ietf-announce@ietf.org>
CC: draft-ietf-core-block@ietf.org, kovatsch@inf.ethz.ch, core-chairs@ietf.org, core@ietf.org, barryleiba@gmail.com
Reply-To: ietf@ietf.org
Sender: <iesg-secretary@ietf.org> …
2015-11-20
18 Amy Vezza IESG state changed to In Last Call from Last Call Requested
2015-11-20
18 Amy Vezza Last call announcement was generated
2015-11-20
18 Barry Leiba Last call was requested
2015-11-20
18 Barry Leiba IESG state changed to Last Call Requested from AD Evaluation
2015-11-02
18 Barry Leiba Ballot writeup was changed
2015-11-02
18 Barry Leiba
1. Summary

This specification extends the CoAP protocol (RFC 7252) with a pair of
"Block" options to enable the transport of large payloads through
multiple …
2015-11-02
18 Barry Leiba IESG state changed to AD Evaluation from Publication Requested
2015-11-02
18 Carsten Bormann
1. Summary

This specification extends the CoAP protocol (RFC 7252) with a pair of "Block" options to enable the transport of large payloads through multiple …
2015-11-02
18 Carsten Bormann IETF WG state changed to Submitted to IESG for Publication from Waiting for WG Chair Go-Ahead
2015-11-02
18 Carsten Bormann IESG state changed to Publication Requested from AD is watching
2015-11-02
18 Barry Leiba IESG state changed to AD is watching from Dead
2015-11-02
18 Carsten Bormann IETF WG state changed to Waiting for WG Chair Go-Ahead from Submitted to IESG for Publication
2015-10-14
18 (System) Notify list changed from core-chairs@ietf.org, draft-ietf-core-block@ietf.org, "Matthias Kovatsch" <kovatsch@inf.ethz.ch> to (None)
2015-09-14
18 Andrew McGregor Shepherd write-up complete.
2015-09-14
18 Andrew McGregor IETF WG state changed to Submitted to IESG for Publication from WG Consensus: Waiting for Write-Up
2015-09-14
18 Carsten Bormann New version available: draft-ietf-core-block-18.txt
2015-09-10
17 (System) Document has expired
2015-09-10
17 (System) IESG state changed to Dead from AD is watching
2015-09-06
17 Matthias Kovatsch
1. Summary

This specification extends the CoAP protocol (RFC 7252) with a pair of "Block" options to enable the transport of large payloads through multiple …
2015-09-05
17 Matthias Kovatsch
1. Summary

This specification extends the CoAP protocol (RFC 7252) with a pair of "Block" options to enable the transport of large payloads through multiple …
2015-07-01
17 Andrew McGregor Notification list changed to core-chairs@ietf.org, draft-ietf-core-block@ietf.org, "Matthias Kovatsch" <kovatsch@inf.ethz.ch> from core-chairs@ietf.org, draft-ietf-core-block@ietf.org
2015-07-01
17 Andrew McGregor Document shepherd changed to Matthias Kovatsch
2015-03-09
17 Carsten Bormann New version available: draft-ietf-core-block-17.txt
2015-02-05
16 Andrew McGregor Tag Other - see Comment Log cleared.
2015-02-05
16 Andrew McGregor IETF WG state changed to WG Consensus: Waiting for Write-Up from In WG Last Call
2015-01-04
16 Andrew McGregor This document is being last-called again because some new text was omitted from -15.
2015-01-04
16 Andrew McGregor Tag Other - see Comment Log set.
2014-10-27
16 Carsten Bormann New version available: draft-ietf-core-block-16.txt
2014-07-23
15 Barry Leiba IESG state changed to AD is watching from Dead
2014-07-04
15 Andrew McGregor Tag Approved in minutes cleared.
2014-07-04
15 Andrew McGregor IETF WG state changed to In WG Last Call from WG Document
2014-07-04
15 Carsten Bormann New version available: draft-ietf-core-block-15.txt
2014-04-24
14 (System) Document has expired
2014-04-24
14 (System) IESG state changed to Dead from AD is watching
2013-10-21
14 Carsten Bormann New version available: draft-ietf-core-block-14.txt
2013-10-20
13 Carsten Bormann New version available: draft-ietf-core-block-13.txt
2013-06-27
12 Carsten Bormann New version available: draft-ietf-core-block-12.txt
2013-03-30
11 Carsten Bormann New version available: draft-ietf-core-block-11.txt
2012-10-21
10 Carsten Bormann New version available: draft-ietf-core-block-10.txt
2012-08-14
09 Carsten Bormann New version available: draft-ietf-core-block-09.txt
2012-07-05
08 Barry Leiba Responsible AD changed to Barry Leiba from Peter Saint-Andre
2012-07-05
08 Barry Leiba Intended Status changed to Proposed Standard from None
2012-02-15
08 (System) Ballot writeup text was added
2012-02-15
08 (System) Last call text was added
2012-02-15
08 (System) Ballot approval text was added
2012-02-15
08 (System) New version available: draft-ietf-core-block-08.txt
2012-01-27
07 (System) New version available: draft-ietf-core-block-07.txt
2012-01-21
06 (System) New version available: draft-ietf-core-block-06.txt
2012-01-12
05 (System) New version available: draft-ietf-core-block-05.txt
2012-01-12
08 (System) Document has expired
2012-01-12
08 (System) State changed to Dead from AD is watching.
2011-07-11
04 (System) New version available: draft-ietf-core-block-04.txt
2011-05-03
03 (System) New version available: draft-ietf-core-block-03.txt
2011-03-14
02 (System) New version available: draft-ietf-core-block-02.txt
2011-02-07
08 Cindy Morgan Approval announcement text regenerated
2011-01-25
01 (System) New version available: draft-ietf-core-block-01.txt
2010-11-02
08 Peter Saint-Andre Draft Added by Peter Saint-Andre in state AD is watching
2010-10-18
00 (System) New version available: draft-ietf-core-block-00.txt