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Re: [rrg] LEIDs, SPI & ordinary IP addresses as both IDs & Locs

"Templin, Fred L" <Fred.L.Templin@boeing.com> Fri, 19 February 2010 16:26 UTC

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From: "Templin, Fred L" <Fred.L.Templin@boeing.com>
To: Robin Whittle <rw@firstpr.com.au>, RRG <rrg@irtf.org>
Date: Fri, 19 Feb 2010 08:28:29 -0800
Thread-Topic: [rrg] LEIDs, SPI & ordinary IP addresses as both IDs & Locs
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Cc: Noel Chiappa <jnc@mercury.lcs.mit.edu>
Subject: Re: [rrg] LEIDs, SPI & ordinary IP addresses as both IDs & Locs
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Robin,
 
> Yes.  A LEID (LISP EID) or an Ivip SPI address is exactly the same as
> any other global unicast IP address in this respect.  A host may have
> one or more global unicast IP addresses and (except for anycast and
> fancy things which spread load over back-end servers) each unique global
> unicast IP address identifies a single host.

Not quite; an IP address identifies a single host *interface*.
You would have to turn to something like the HIP HIT if you
want a true host identifier.

Fred
fred.l.templin@boeing.com

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