| draft-ietf-idr-as0-04.txt | draft-ietf-idr-as0-05.txt | |||
|---|---|---|---|---|
| idr W. Kumari | idr W. Kumari | |||
| Internet-Draft Google | Internet-Draft Google | |||
| Updates: 4271 (if approved) R. Bush | Updates: 4271 (if approved) R. Bush | |||
| Intended status: Standards Track Internet Initiative Japan | Intended status: Standards Track Internet Initiative Japan | |||
| Expires: November 8, 2012 H. Schiller | Expires: November 23, 2012 H. Schiller | |||
| Verizon | Verizon | |||
| K. Patel | K. Patel | |||
| Cisco Systems | Cisco Systems | |||
| May 7, 2012 | May 22, 2012 | |||
| Codification of AS 0 processing. | Codification of AS 0 processing. | |||
| draft-ietf-idr-as0-04 | draft-ietf-idr-as0-05 | |||
| Abstract | Abstract | |||
| This document updates RFC 4271 and proscribes the use of AS 0 in BGP | This document updates RFC 4271 and proscribes the use of AS 0 in BGP | |||
| OPEN and AS_PATH / AS4_PATH BGP attribute. | OPEN and AS_PATH / AS4_PATH BGP attribute. | |||
| 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. | |||
| skipping to change at page 1, line 36 | skipping to change at page 1, line 36 | |||
| 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 http://datatracker.ietf.org/drafts/current/. | Drafts is at http://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 November 8, 2012. | This Internet-Draft will expire on November 23, 2012. | |||
| Copyright Notice | Copyright Notice | |||
| Copyright (c) 2012 IETF Trust and the persons identified as the | Copyright (c) 2012 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 | |||
| (http://trustee.ietf.org/license-info) in effect on the date of | (http://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 | |||
| skipping to change at page 3, line 15 | skipping to change at page 3, line 15 | |||
| 1. Introduction | 1. Introduction | |||
| Autonomous System 0 is listed in the IANA Autonomous System Number | Autonomous System 0 is listed in the IANA Autonomous System Number | |||
| Registry as "Reserved - May be use to identify non-routed networks" | Registry as "Reserved - May be use to identify non-routed networks" | |||
| ([IANA.AS_Numbers]). | ([IANA.AS_Numbers]). | |||
| [RFC6491] specifies that AS number zero in a ROA is used to mark an | [RFC6491] specifies that AS number zero in a ROA is used to mark an | |||
| NLRI which is to be marked as Invalid. | NLRI which is to be marked as Invalid. | |||
| No clear statement that AS 0 was proscribed could be found in any BGP | No clear statement that AS 0 was proscribed could be found in any BGP | |||
| specification. | specification. This document corrects this omission, most | |||
| importantly in the case of the AS_PATH. This represents an update to | ||||
| the error handling procedures given in [RFC4271]. | ||||
| As at least two implementations discard routes containing AS 0, and | As at least two implementations discard routes containing AS 0, and | |||
| to allow approaches such as the above, this document codifies this | to allow approaches such as the above, this document codifies this | |||
| behavior. | behavior. | |||
| 1.1. Requirements notation | 1.1. Requirements notation | |||
| The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", | The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", | |||
| "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this | "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this | |||
| document are to be interpreted as described in [RFC2119]. | document are to be interpreted as described in [RFC2119]. | |||
| skipping to change at page 6, line 26 | skipping to change at page 6, line 29 | |||
| o Looks like the draft needs an 'Updates: RFC 4271' header. Can you | o Looks like the draft needs an 'Updates: RFC 4271' header. Can you | |||
| make the change? -- JGS. | make the change? -- JGS. | |||
| o "You have things a bit scrambled in these two paragraphs" -- JGS | o "You have things a bit scrambled in these two paragraphs" -- JGS | |||
| (whoops!). | (whoops!). | |||
| o Editorial: I suggest dropping the parentheses in... JGS. | o Editorial: I suggest dropping the parentheses in... JGS. | |||
| o Added "This document updates rfc 4271" to keep IDNITs happy... | o Added "This document updates rfc 4271" to keep IDNITs happy... | |||
| o Bumped refs: draft-ietf-sidr-iana-objects has been published as | o Bumped refs: draft-ietf-sidr-iana-objects has been published as | |||
| RFC 6491, idr-error is now -01, 4893bis is now -06 | RFC 6491, idr-error is now -01, 4893bis is now -06 | |||
| Changes - 05 | ||||
| o Added something to the intro saying what we update and why. This | ||||
| was in the abstract, but I didn't have it in the intro. Stupid. | ||||
| Authors' Addresses | Authors' Addresses | |||
| Warren Kumari | Warren Kumari | |||
| 1600 Amphitheatre Parkway | 1600 Amphitheatre Parkway | |||
| Mountain View, CA 94043 | Mountain View, CA 94043 | |||
| US | US | |||
| Email: warren@kumari.net | Email: warren@kumari.net | |||
| Randy Bush | Randy Bush | |||
| Internet Initiative Japan | Internet Initiative Japan | |||
| 5147 Crystal Springs | 5147 Crystal Springs | |||
| Bainbridge Island, WA 98110 | Bainbridge Island, WA 98110 | |||
| US | US | |||
| Email: randy@psg.com | Email: randy@psg.com | |||
| Heather Schiller | Heather Schiller | |||
| Verizon | Verizon | |||
| 22001 Loudoun County Parkway | 22001 Loudoun County Parkway | |||
| Ashburn 20147 | Ashburn 20147 | |||
| US | US | |||
| Email: heather.schiller@verizon.com | Email: heather.schiller@verizon.com | |||
| Keyur Patel | Keyur Patel | |||
| Cisco Systems | Cisco Systems | |||
| End of changes. 8 change blocks. | ||||
| 6 lines changed or deleted | 13 lines changed or added | |||
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