| < draft-saum-bess-dampening-backoff-01.txt | draft-saum-bess-dampening-backoff-02.txt > | |||
|---|---|---|---|---|
| BESS WG S. Dikshit | BESS WG S. Dikshit | |||
| Internet-Draft V. Joshi | Internet-Draft V. Joshi | |||
| Intended status: Standards Track S. Shankar | Intended status: Standards Track S. Shankar | |||
| Expires: 20 March 2022 Aruba, HPE | Expires: 21 September 2022 Aruba, HPE | |||
| 16 September 2021 | 20 March 2022 | |||
| EVPN Mac Dampening Back-off | EVPN Mac Dampening Back-off | |||
| draft-saum-bess-dampening-backoff-01 | draft-saum-bess-dampening-backoff-02 | |||
| Abstract | Abstract | |||
| MAC move handling in EVPN deployments is discussed in detail in | MAC move handling in EVPN deployments is discussed in detail in | |||
| [RFC7432]. There are few optimizations which can be done in existing | [RFC7432]. There are few optimizations which can be done in existing | |||
| way of handling the mac duplication. This document describes few of | way of handling the mac duplication. This document describes few of | |||
| the potential techniques to do so. | the potential techniques to do so. | |||
| Status of This Memo | Status of This Memo | |||
| skipping to change at page 1, line 34 ¶ | skipping to change at page 1, line 34 ¶ | |||
| 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 20 March 2022. | This Internet-Draft will expire on 21 September 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. Important Terms . . . . . . . . . . . . . . . . . . . . . . . 2 | 1. Important Terms . . . . . . . . . . . . . . . . . . . . . . . 2 | |||
| 2. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3 | 2. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3 | |||
| 2.1. Misconfiguration of Hosts . . . . . . . . . . . . . . . . 3 | 2.1. Misconfiguration of Hosts . . . . . . . . . . . . . . . . 3 | |||
| 2.2. Loopy Traffic in Tenant Network . . . . . . . . . . . . . 4 | 2.2. Loopy Traffic in Tenant Network . . . . . . . . . . . . . 4 | |||
| 3. Requirements . . . . . . . . . . . . . . . . . . . . . . . . 5 | 3. Requirements . . . . . . . . . . . . . . . . . . . . . . . . 5 | |||
| 3.1. Requirements Language . . . . . . . . . . . . . . . . . . 5 | 3.1. Requirements Language . . . . . . . . . . . . . . . . . . 5 | |||
| 4. Problem Description . . . . . . . . . . . . . . . . . . . . . 6 | 4. Problem Description . . . . . . . . . . . . . . . . . . . . . 6 | |||
| 5. Solution(s) . . . . . . . . . . . . . . . . . . . . . . . . . 6 | 5. Solution(s) . . . . . . . . . . . . . . . . . . . . . . . . . 6 | |||
| 5.1. Mac Freeze . . . . . . . . . . . . . . . . . . . . . . . 7 | 5.1. Mac Freeze . . . . . . . . . . . . . . . . . . . . . . . 6 | |||
| 5.2. Backing Off MAC Mobility Timer and Count . . . . . . . . 7 | 5.2. Backing Off MAC Mobility Timer and Count . . . . . . . . 7 | |||
| 5.2.1. MDAS Derivation . . . . . . . . . . . . . . . . . . . 8 | 5.2.1. MDAS Derivation . . . . . . . . . . . . . . . . . . . 8 | |||
| 5.2.2. Delta Values Calculation . . . . . . . . . . . . . . 9 | 5.2.2. Delta Values Calculation . . . . . . . . . . . . . . 9 | |||
| 5.3. Backing Off Example . . . . . . . . . . . . . . . . . . . 9 | 5.3. Backing Off Example . . . . . . . . . . . . . . . . . . . 9 | |||
| 6. Backward Compatibility . . . . . . . . . . . . . . . . . . . 10 | 6. Backward Compatibility . . . . . . . . . . . . . . . . . . . 10 | |||
| 7. Security Considerations . . . . . . . . . . . . . . . . . . . 10 | 7. Security Considerations . . . . . . . . . . . . . . . . . . . 10 | |||
| 8. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 10 | 8. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 10 | |||
| 9. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 10 | 9. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 10 | |||
| 10. References . . . . . . . . . . . . . . . . . . . . . . . . . 10 | 10. References . . . . . . . . . . . . . . . . . . . . . . . . . 10 | |||
| 10.1. Normative References . . . . . . . . . . . . . . . . . . 10 | 10.1. Normative References . . . . . . . . . . . . . . . . . . 10 | |||
| 10.2. Informative References . . . . . . . . . . . . . . . . . 11 | 10.2. Informative References . . . . . . . . . . . . . . . . . 10 | |||
| Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 11 | Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 11 | |||
| 1. Important Terms | 1. Important Terms | |||
| MDAS: Mac Dampening Attribute Set: | MDAS: Mac Dampening Attribute Set: | |||
| MDT: Mac Dampening Timer | MDT: Mac Dampening Timer | |||
| MDC: Mac Dampening Count | MDC: Mac Dampening Count | |||
| End of changes. 7 change blocks. | ||||
| 10 lines changed or deleted | 10 lines changed or added | |||
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