draft-ietf-manet-dlep-da-credit-extension-07.txt   draft-ietf-manet-dlep-da-credit-extension-08.txt 
Network Working Group B. Cheng Network Working Group B. Cheng
Internet-Draft D. Wiggins Internet-Draft D. Wiggins
Intended status: Standards Track MIT Lincoln Laboratory Intended status: Standards Track MIT Lincoln Laboratory
Expires: September 7, 2019 L. Berger Expires: May 22, 2020 L. Berger
LabN Consulting, L.L.C. LabN Consulting, L.L.C.
March 6, 2019 November 19, 2019
DLEP DiffServ Aware Credit Window Extension DLEP DiffServ Aware Credit Window Extension
draft-ietf-manet-dlep-da-credit-extension-07 draft-ietf-manet-dlep-da-credit-extension-08
Abstract Abstract
This document defines an extension to the DLEP protocol that enables This document defines an extension to the Dynamic Link Exchange
a DiffServ aware credit-window scheme for destination-specific and Protocol (DLEP) that enables a DiffServ aware credit-window scheme
shared flow control. for destination-specific and shared flow control.
Status of This Memo Status of This Memo
This Internet-Draft is submitted in full conformance with the This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79. provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at https://datatracker.ietf.org/drafts/current/. Drafts is at https://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on September 7, 2019. This Internet-Draft will expire on May 22, 2020.
Copyright Notice Copyright Notice
Copyright (c) 2019 IETF Trust and the persons identified as the Copyright (c) 2019 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(https://trustee.ietf.org/license-info) in effect on the date of (https://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
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capabilities SHOULD be reported to the user via normal network capabilities SHOULD be reported to the user via normal network
management mechanisms, e.g., user interface or error logging. management mechanisms, e.g., user interface or error logging.
4. Security Considerations 4. Security Considerations
This document defines a DLEP extension that uses base DLEP mechanisms This document defines a DLEP extension that uses base DLEP mechanisms
and the credit window control and flow mechanisms defined in and the credit window control and flow mechanisms defined in
[I-D.ietf-manet-dlep-traffic-classification] and [I-D.ietf-manet-dlep-traffic-classification] and
[I-D.ietf-manet-dlep-credit-flow-control]. The use of those [I-D.ietf-manet-dlep-credit-flow-control]. The use of those
mechanisms, and the introduction of a new extension, do not mechanisms, and the introduction of a new extension, do not
inherently introduce any additional threats above those documented in inherently introduce any additional vulnerabilities above those
[RFC8175]. The approach taken to Security in that document applies documented in [RFC8175]. The approach taken to Security in that
equally to the mechanism defined in this document. document applies equally to the mechanism defined in this document.
5. IANA Considerations 5. IANA Considerations
This document requests one assignment by IANA. All assignments are This document requests one assignment by IANA. All assignments are
to registries defined by [RFC8175]. to registries defined by [RFC8175].
5.1. Extension Type Value 5.1. Extension Type Value
This document requests 1 new assignment to the DLEP Extensions This document requests 1 new assignment to the DLEP Extensions
Registry named "Extension Type Values" in the range with the Registry named "Extension Type Values" in the range with the
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+------+------------------------------+ +------+------------------------------+
Table 1: Requested Extension Type Value Table 1: Requested Extension Type Value
6. References 6. References
6.1. Normative References 6.1. Normative References
[I-D.ietf-manet-dlep-credit-flow-control] [I-D.ietf-manet-dlep-credit-flow-control]
Cheng, B., Wiggins, D., Berger, L., and S. Ratliff, "DLEP Cheng, B., Wiggins, D., Berger, L., and S. Ratliff, "DLEP
Credit-Based Flow Control Messages and Data Items", draft- Credit-Based Flow Control Messages and Data Items", draft-
ietf-manet-dlep-credit-flow-control-03 (work in progress), ietf-manet-dlep-credit-flow-control-04 (work in progress),
August 2018. March 2019.
[I-D.ietf-manet-dlep-traffic-classification] [I-D.ietf-manet-dlep-traffic-classification]
Cheng, B., Wiggins, D., and L. Berger, "DLEP Traffic Cheng, B., Wiggins, D., and L. Berger, "DLEP Traffic
Classification Data Item", August 2018. Classification Data Item", August 2018.
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, Requirement Levels", BCP 14, RFC 2119,
DOI 10.17487/RFC2119, March 1997, DOI 10.17487/RFC2119, March 1997,
<https://www.rfc-editor.org/info/rfc2119>. <https://www.rfc-editor.org/info/rfc2119>.
skipping to change at page 5, line 35 skipping to change at page 5, line 35
[RFC8175] Ratliff, S., Jury, S., Satterwhite, D., Taylor, R., and B. [RFC8175] Ratliff, S., Jury, S., Satterwhite, D., Taylor, R., and B.
Berry, "Dynamic Link Exchange Protocol (DLEP)", RFC 8175, Berry, "Dynamic Link Exchange Protocol (DLEP)", RFC 8175,
DOI 10.17487/RFC8175, June 2017, DOI 10.17487/RFC8175, June 2017,
<https://www.rfc-editor.org/info/rfc8175>. <https://www.rfc-editor.org/info/rfc8175>.
6.2. Informative References 6.2. Informative References
[I-D.berger-manet-dlep-ether-credit-extension] [I-D.berger-manet-dlep-ether-credit-extension]
Wiggins, D. and L. Berger, "DLEP IEEE 802.1Q Aware Credit Wiggins, D. and L. Berger, "DLEP IEEE 802.1Q Aware Credit
Window Extension", draft-berger-manet-dlep-ether-credit- Window Extension", draft-berger-manet-dlep-ether-credit-
extension-01 (work in progress), August 2018. extension-02 (work in progress), March 2019.
[RFC2475] Blake, S., Black, D., Carlson, M., Davies, E., Wang, Z., [RFC2475] Blake, S., Black, D., Carlson, M., Davies, E., Wang, Z.,
and W. Weiss, "An Architecture for Differentiated and W. Weiss, "An Architecture for Differentiated
Services", RFC 2475, DOI 10.17487/RFC2475, December 1998, Services", RFC 2475, DOI 10.17487/RFC2475, December 1998,
<https://www.rfc-editor.org/info/rfc2475>. <https://www.rfc-editor.org/info/rfc2475>.
Appendix A. Acknowledgments Appendix A. Acknowledgments
The sub data item format was inspired by Rick Taylor's "Data Item The sub data item format was inspired by Rick Taylor's "Data Item
Containers". He also proposed the separation of credit windows from Containers". He also proposed the separation of credit windows from
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