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Re: Addr: Re: BGP-4 - revised I-D

Tony Li <tli@jnx.com> Sat, 24 August 1996 01:26 UTC

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Date: Fri, 23 Aug 1996 17:54:33 -0700 (PDT)
Message-Id: <199608240054.RAA07883@chimp.jnx.com>
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From: Tony Li <tli@jnx.com>
To: jyy@ans.net
Cc: rwoundy@vnet.ibm.com, curtis@ans.net, bgp@ans.net, tli@jnx.com
In-Reply-To: <199608232102.RAA24962@cannes.aa.ans.net> (message from Jessica Yu on Fri, 23 Aug 1996 17:02:13 -0400)
Subject: Re: Addr: Re: BGP-4 - revised I-D
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   I personally prefer NOT to compare MED values from different neighbor ASs.
   The usage of MED is to distinguish multiple exit points to a particular
   external AS.  If the WG decides to compare MED values from different ASs
   then I suggest the definition of the MEDs and the reference to MEDs in
   the bgp4 spec needs to be changed as well.

If one were to follow down this path of global MED values, we're pretty
much all the way back to a global administratively defined metric.  We can
go there if folks want, but global metrics have always been a rathole to be
avoided.

I would further suggest that any such metric might as well be an entirely
new attribute, and that we allow MED to die a quiet death.

Tony

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