< draft-eckert-detnet-mpls-tc-tcqf-01.txt   draft-eckert-detnet-mpls-tc-tcqf-02.txt >
DETNET T. Eckert DETNET T. Eckert
Internet-Draft Futurewei Technologies USA Internet-Draft Futurewei Technologies USA
Intended status: Standards Track S. Bryant Intended status: Standards Track S. Bryant
Expires: 28 April 2022 University of Surrey ICS Expires: 20 November 2022 University of Surrey ICS
A.G. Malis A. G. Malis
Malis Consulting Malis Consulting
25 October 2021 19 May 2022
Deterministic Networking (DetNet) Data Plane - MPLS TC Tagging for Deterministic Networking (DetNet) Data Plane - MPLS TC Tagging for
Cyclic Queuing and Forwarding (MPLS-TC TCQF) Cyclic Queuing and Forwarding (MPLS-TC TCQF)
draft-eckert-detnet-mpls-tc-tcqf-01 draft-eckert-detnet-mpls-tc-tcqf-02
Abstract Abstract
This memo defines the use of the MPLS TC field of MPLS Label Stack This memo defines the use of the MPLS TC field of MPLS Label Stack
Entries (LSE) to support cycle tagging of packets for Multiple Buffer Entries (LSE) to support cycle tagging of packets for Multiple Buffer
Cyclic Queuing and Forwarding (TCQF). TCQF is a mechanism to support Cyclic Queuing and Forwarding (TCQF). TCQF is a mechanism to support
bounded latency forwarding in DetNet network. bounded latency forwarding in DetNet network.
Target benefits of TCQF include low end-to-end jitter, ease of high- Target benefits of TCQF include low end-to-end jitter, ease of high-
speed hardware implementation, optional ability to support large speed hardware implementation, optional ability to support large
skipping to change at page 1, line 44 skipping to change at page 1, line 44
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 28 April 2022. This Internet-Draft will expire on 20 November 2022.
Copyright Notice Copyright Notice
Copyright (c) 2021 IETF Trust and the persons identified as the Copyright (c) 2022 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 (https://trustee.ietf.org/ Provisions Relating to IETF Documents (https://trustee.ietf.org/
license-info) in effect on the date of publication of this document. license-info) in effect on the date of publication of this document.
Please review these documents carefully, as they describe your rights Please review these documents carefully, as they describe your rights
and restrictions with respect to this document. Code Components and restrictions with respect to this document. Code Components
extracted from this document must include Simplified BSD License text extracted from this document must include Revised BSD License text as
as described in Section 4.e of the Trust Legal Provisions and are described in Section 4.e of the Trust Legal Provisions and are
provided without warranty as described in the Simplified BSD License. provided without warranty as described in the Revised BSD License.
Table of Contents Table of Contents
1. Introduction (informative) . . . . . . . . . . . . . . . . . 2 1. Introduction (informative) . . . . . . . . . . . . . . . . . 2
2. Using TCQF in the DetNet Archticture and MPLS forwarding plane 2. Using TCQF in the DetNet Archticture and MPLS forwarding plane
(informative) . . . . . . . . . . . . . . . . . . . . . . 3 (informative) . . . . . . . . . . . . . . . . . . . . . . 3
3. MPLS T-CQF forwarding (normative) . . . . . . . . . . . . . . 6 3. MPLS T-CQF forwarding (normative) . . . . . . . . . . . . . . 6
3.1. Configuration Data model and tag processing for MPLS TC 3.1. Configuration Data model and tag processing for MPLS TC
TCQF . . . . . . . . . . . . . . . . . . . . . . . . . . 6 TCQF . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.2. Packet processing . . . . . . . . . . . . . . . . . . . . 6 3.2. Packet processing . . . . . . . . . . . . . . . . . . . . 6
skipping to change at page 12, line 14 skipping to change at page 12, line 14
define such a YANG model not necessary to specify the algorithm would define such a YANG model not necessary to specify the algorithm would
be scope creep for this specification. Better done in a separate be scope creep for this specification. Better done in a separate
YANG document. Example additional YANG aspects for such a document YANG document. Example additional YANG aspects for such a document
are how to map parameters to configuration/operational space, what are how to map parameters to configuration/operational space, what
additional operational/monitoring parameter to support and how to map additional operational/monitoring parameter to support and how to map
the YANG objects required into various pre-existing YANG trees. the YANG objects required into various pre-existing YANG trees.
Improved text in forwarding section, simplified sentences, used Improved text in forwarding section, simplified sentences, used
simplified configuration data model. simplified configuration data model.
02
Refresh
9. References 9. References
9.1. Normative References 9.1. Normative References
[RFC3270] Le Faucheur, F., Wu, L., Davie, B., Davari, S., Vaananen, [RFC3270] Le Faucheur, F., Wu, L., Davie, B., Davari, S., Vaananen,
P., Krishnan, R., Cheval, P., and J. Heinanen, "Multi- P., Krishnan, R., Cheval, P., and J. Heinanen, "Multi-
Protocol Label Switching (MPLS) Support of Differentiated Protocol Label Switching (MPLS) Support of Differentiated
Services", RFC 3270, DOI 10.17487/RFC3270, May 2002, Services", RFC 3270, DOI 10.17487/RFC3270, May 2002,
<https://www.rfc-editor.org/info/rfc3270>. <https://www.rfc-editor.org/info/rfc3270>.
skipping to change at page 13, line 9 skipping to change at page 13, line 14
[I-D.eckert-detnet-bounded-latency-problems] [I-D.eckert-detnet-bounded-latency-problems]
Eckert, T. and S. Bryant, "Problems with existing DetNet Eckert, T. and S. Bryant, "Problems with existing DetNet
bounded latency queuing mechanisms", Work in Progress, bounded latency queuing mechanisms", Work in Progress,
Internet-Draft, draft-eckert-detnet-bounded-latency- Internet-Draft, draft-eckert-detnet-bounded-latency-
problems-00, 12 July 2021, problems-00, 12 July 2021,
<https://www.ietf.org/archive/id/draft-eckert-detnet- <https://www.ietf.org/archive/id/draft-eckert-detnet-
bounded-latency-problems-00.txt>. bounded-latency-problems-00.txt>.
[I-D.ietf-bier-te-arch] [I-D.ietf-bier-te-arch]
Eckert, T., Cauchie, G., and M. Menth, "Tree Engineering Eckert, T., Menth, M., and G. Cauchie, "Tree Engineering
for Bit Index Explicit Replication (BIER-TE)", Work in for Bit Index Explicit Replication (BIER-TE)", Work in
Progress, Internet-Draft, draft-ietf-bier-te-arch-10, 9 Progress, Internet-Draft, draft-ietf-bier-te-arch-13, 25
July 2021, <https://www.ietf.org/archive/id/draft-ietf- April 2022, <https://www.ietf.org/archive/id/draft-ietf-
bier-te-arch-10.txt>. bier-te-arch-13.txt>.
[I-D.ietf-detnet-bounded-latency] [I-D.ietf-detnet-bounded-latency]
Finn, N., Boudec, J. L., Mohammadpour, E., Zhang, J., Finn, N., Boudec, J. L., Mohammadpour, E., Zhang, J., and
Varga, B., and J. Farkas, "DetNet Bounded Latency", Work B. Varga, "DetNet Bounded Latency", Work in Progress,
in Progress, Internet-Draft, draft-ietf-detnet-bounded- Internet-Draft, draft-ietf-detnet-bounded-latency-10, 8
latency-07, 1 September 2021, April 2022, <https://www.ietf.org/archive/id/draft-ietf-
<https://www.ietf.org/archive/id/draft-ietf-detnet- detnet-bounded-latency-10.txt>.
bounded-latency-07.txt>.
[I-D.qiang-DetNet-large-scale-DetNet] [I-D.qiang-DetNet-large-scale-DetNet]
Qiang, L., Geng, X., Liu, B., Eckert, T., Geng, L., and G. Qiang, L., Geng, X., Liu, B., Eckert, T., Geng, L., and G.
Li, "Large-Scale Deterministic IP Network", Work in Li, "Large-Scale Deterministic IP Network", Work in
Progress, Internet-Draft, draft-qiang-DetNet-large-scale- Progress, Internet-Draft, draft-qiang-DetNet-large-scale-
DetNet-05, 2 September 2019, DetNet-05, 2 September 2019,
<https://www.ietf.org/archive/id/draft-qiang-DetNet-large- <https://www.ietf.org/archive/id/draft-qiang-DetNet-large-
scale-DetNet-05.txt>. scale-DetNet-05.txt>.
[RFC3209] Awduche, D., Berger, L., Gan, D., Li, T., Srinivasan, V., [RFC3209] Awduche, D., Berger, L., Gan, D., Li, T., Srinivasan, V.,
 End of changes. 10 change blocks. 
19 lines changed or deleted 22 lines changed or added

This html diff was produced by rfcdiff 1.48. The latest version is available from http://tools.ietf.org/tools/rfcdiff/