Internet-Drafts@CNRI.Reston.VA.US: I-D ACTION:draft-ietf-idr-bgp-dpa-01.txt

Tony Bates <Tony.Bates@mci.net> Tue, 27 June 1995 17:08 UTC

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Subject: Internet-Drafts@CNRI.Reston.VA.US: I-D ACTION:draft-ietf-idr-bgp-dpa-01.txt
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From: Tony Bates <Tony.Bates@mci.net>
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Date: Tue, 27 Jun 1995 11:29:01 -0400
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Please note that this draft, while having a new name is in fact a
revision of draft-ietf-idr-bgp-mpp-00.txt. The same is also true of 
draft-ietf-idr-dpa-application-01.txt which was originally known as 
draft-ietf-idr-mpp-application-00.txt.
This follows extremely helpful comments from Yakov which changed our
focus slightly to turn this attribute into a general metric to be
used for more than just aiding in symmetric routing (hence the name
change). Also note specifc clarification of the operatin of DPA
specifically in this draft.
 
We'd like to get all comments to the drafts issued
within the next two weeks so we can come to closure on this at the 
Stockholm IDR meeting. In summary the drafts are as follows and are
best read in this order:

1.     Title     : Current Practice of Implementing Symmetric Routing and 
                   Load Sharing in the Multi-Provider Internet             
       Filename  : draft-ietf-idr-symm-multi-prov-01.txt

2.     Title     : Destination Preference Attribute for BGP  
       Filename  : draft-ietf-idr-bgp-dpa-01.txt

3.     Title     : Application of the BGP Destination Preference Attribute 
                   in Implementing Symmetric Routing                       
       Filename  : draft-ietf-idr-dpa-application-01.txt

	
	Thanks,
			--Tony.


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Subject:  I-D ACTION:draft-ietf-idr-bgp-dpa-01.txt

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A Revised Internet-Draft is available from the on-line Internet-Drafts 
directories. This draft is a work item of the Inter-Domain Routing Working 
Group of the IETF.                                                         

       Title     : Destination Preference Attribute for BGP                
       Author(s) : E. Chen, T. Bates
       Filename  : draft-ietf-idr-bgp-dpa-01.txt
       Pages     : 4
       Date      : 06/22/1995

The Border Gateway Protocol [1] is an inter-autonomous system routing 
protocol designed for TCP/IP internets.              
                      
This document describes a new BGP path attribute termed "Destination 
Preference Attribute" (DPA) which can be used by a single autonomous system
(AS) to specify globally transitive metrics in its routing announcement via
BGP.  The metric can then be used by upstream BGP speakers to favor certain
path for return traffic.  The application of this attribute includes 
facilitating the implementation of symmetric routing and load sharing in 
the multi-provider Internet.                                               

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