Diff: draft-ietf-mboned-anycast-rp-07.txt - draft-ietf-mboned-anycast-rp-08.txt

	draft-ietf-mboned-anycast-rp-07.txt	draft-ietf-mboned-anycast-rp-08.txt
	MBONED Working Group Dorian Kim	MBONED Working Group Dorian Kim
	Internet Draft Verio	Internet Draft Verio
	David Meyer	David Meyer

	Cisco Systems
	Henry Kilmer	Henry Kilmer
	Dino Farinacci	Dino Farinacci
	Procket Networks	Procket Networks


	Category Experimental	Category Experimental

	July, 2001	May, 2001

	Anycast RP mechanism using PIM and MSDP	Anycast RP mechanism using PIM and MSDP

	<draft-ietf-mboned-anycast-rp-07.txt>	<draft-ietf-mboned-anycast-rp-08.txt>

	1. Status of this Memo	1. Status of this Memo

	This document is an Internet-Draft and is in full conformance with	This document is an Internet-Draft and is in full conformance with
	all provisions of Section 10 of RFC 2026.	all provisions of Section 10 of RFC 2026.

	Internet Drafts are working documents of the Internet Engineering	Internet Drafts are working documents of the Internet Engineering
	Task Force (IETF), its areas, and its working groups. Note that other	Task Force (IETF), its areas, and its working groups. Note that other
	groups may also distribute working documents as Internet-Drafts.	groups may also distribute working documents as Internet-Drafts.


	skipping to change at page 2, line 17	skipping to change at page 2, line 17
	This document describes a mechanism to allow for an arbitrary number	This document describes a mechanism to allow for an arbitrary number
	of RPs per group in a single shared-tree PIM-SM domain.	of RPs per group in a single shared-tree PIM-SM domain.

	This memo is a product of the MBONE Deployment Working Group (MBONED)	This memo is a product of the MBONE Deployment Working Group (MBONED)
	in the Operations and Management Area of the Internet Engineering	in the Operations and Management Area of the Internet Engineering
	Task Force. Submit comments to <mboned@ns.uoregon.edu> or the	Task Force. Submit comments to <mboned@ns.uoregon.edu> or the
	authors.	authors.

	3. Copyright Notice	3. Copyright Notice


	Copyright (C) The Internet Society (2000). All Rights Reserved.	Copyright (C) The Internet Society (2001). All Rights Reserved.

	4. Introduction	4. Introduction

	PIM-SM as defined in RFC 2362 allows for only a single active RP per	PIM-SM as defined in RFC 2362 allows for only a single active RP per
	group, and as such the decision of optimal RP placement can become	group, and as such the decision of optimal RP placement can become
	problematic for a multi-regional network deploying PIM-SM.	problematic for a multi-regional network deploying PIM-SM.

	Anycast RP relaxes an important constraint in PIM-SM, namely, that	Anycast RP relaxes an important constraint in PIM-SM, namely, that
	there can be only one group to RP mapping can be active at any time.	there can be only one group to RP mapping can be active at any time.
	The single mapping property has several implications, including	The single mapping property has several implications, including

	skipping to change at page 7, line 10	skipping to change at page 7, line 10
	7.3. MSDP Peer Integrity	7.3. MSDP Peer Integrity

	As is the the case for BGP, MSDP peers can be protected using keyed	As is the the case for BGP, MSDP peers can be protected using keyed
	MD5 [RFC1828].	MD5 [RFC1828].

	8. Acknowledgments	8. Acknowledgments

	John Meylor, Bill Fenner, Dave Thaler and Tom Pusateri provided	John Meylor, Bill Fenner, Dave Thaler and Tom Pusateri provided
	insightful comments on earlier versions for this idea.	insightful comments on earlier versions for this idea.


	9. References	9. Author's Address


	[MSDP] D. Farinacci, et. al., "Multicast Source Discovery	Dorian Kim
	Protocol (MSDP)", draft-ietf-msdp-spec-02.txt,	Verio, Inc.
	January, 2000. Work in Progress.	2361 Lancashire Dr. #2A
		Ann Arbor, MI 48015
		Email: dorian@blackrose.org

		Hank Kilmer
		Email: hank@rem.com

		Dino Farinacci
		Procket Networks
		Email: dino@procket.com

		David Meyer
		Email: dmm@maoz.com

		10. References

		[MSDP] D. Meyer and B. Fenner, Editors, "Multicast Source Discovery
		Protocol (MSDP)", draft-ietf-msdp-spec-10.txt,
		May, 2001. Work in Progress.

	[RFC1825] Atkinson, R., "IP Security Architecture", August 1995.	[RFC1825] Atkinson, R., "IP Security Architecture", August 1995.

	[RFC1828] P. Metzger and W. Simpson, "IP Authentication using Keyed	[RFC1828] P. Metzger and W. Simpson, "IP Authentication using Keyed
	MD5", RFC 1828, August, 1995.	MD5", RFC 1828, August, 1995.

	[RFC2119] S. Bradner, "Key words for use in RFCs to Indicate	[RFC2119] S. Bradner, "Key words for use in RFCs to Indicate
	Requirement Levels", RFC 2119, March, 1997.	Requirement Levels", RFC 2119, March, 1997.

	[RFC2362] D. Estrin, et. al., "Protocol Independent Multicast-	[RFC2362] D. Estrin, et. al., "Protocol Independent Multicast-

	skipping to change at page 7, line 36	skipping to change at page 9, line 5
	2362, June, 1998.	2362, June, 1998.

	[RFC2382] Moy, J., "OSPF Version 2", RFC 2382, April 1998.	[RFC2382] Moy, J., "OSPF Version 2", RFC 2382, April 1998.

	[RFC2385] Herrernan, A., "Protection of BGP Sessions via the TCP	[RFC2385] Herrernan, A., "Protection of BGP Sessions via the TCP
	MD5 Signature Option", RFC 2385, August, 1998.	MD5 Signature Option", RFC 2385, August, 1998.

	[RFC2403] C. Madson and R. Glenn, "The Use of HMAC-MD5-96 within	[RFC2403] C. Madson and R. Glenn, "The Use of HMAC-MD5-96 within
	ESP and AH", RFC 2403, November, 1998.	ESP and AH", RFC 2403, November, 1998.


	10. Author's Address	11. Full Copyright Statement


	Dorian Kim	Copyright (C) The Internet Society (2001). All Rights Reserved.
	Verio, Inc.
	2361 Lancashire Dr. #2A
	Ann Arbor, MI 48015
	Email: dorian@blackrose.org


	Hank Kilmer	This document and translations of it may be copied and furnished to
	Email: hank@rem.com	others, and derivative works that comment on or otherwise explain it
		or assist in its implementation may be prepared, copied, published
		and distributed, in whole or in part, without restriction of any
		kind, provided that the above copyright notice and this paragraph are
		included on all such copies and derivative works. However, this
		document itself may not be modified in any way, such as by removing
		the copyright notice or references to the Internet Society or other
		Internet organizations, except as needed for the purpose of
		developing Internet standards in which case the procedures for
		copyrights defined in the Internet Standards process must be
		followed, or as required to translate it into languages other than
		English.


	Dino Farinacci	The limited permissions granted above are perpetual and will not be
	Procket Networks	revoked by the Internet Society or its successors or assigns.
	Email: dino@procket.com


	David Meyer	This document and the information contained herein is provided on an
	Cisco Systems, Inc.	"AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
	170 Tasman Drive	TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
	San Jose, CA, 95134	BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
	Email: dmm@cisco.com	HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
		MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

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