RE: [RRG] What does incremental deployment mean

["Templin, Fred L" <Fred.L.Templin@boeing.com>]

>-----Original Message-----
>From: Xu Xiaohu [mailto:xuxh@huawei.com] 
>Sent: Tuesday, April 01, 2008 7:27 AM
>To: Templin, Fred L; 'Dino Farinacci'; 'Noel Chiappa'
>Cc: rrg@psg.com
>Subject: re: [RRG] What does incremental deployment mean
>
>> I don't think this is true at all; at least it better not
>> be. AFAICT, IPv6 as EID and IPv4 as RLOC is our best path
>> toward an IPv6 Internet.
>
>In the above approach, IPv6 should also play the role of locator in
site
>networks which implies that the site network should support IPv6. 
>
>Have most of the site networks been ready for IPv6?  Is it easy to
upgrade
>the routers in all the site networks to support IPv6? If the answers to
the
>above questions are "No", How about using IPv4(globally
unique)+IPv4(locally
>unique) or LD ID/AS num + IPv4(locally unique) as locator whereas using
IPv6
>just as identifier?

There is already a name for this; it is called ISATAP:

  http://www.ietf.org/rfc/rfc5214.txt

Fred
fred.l.templin@boeing.com

>
>Best wishes,
>Xiaohu XU
>
>> fred.l.templin@boeing.com
>> 
>> >
>> >> > End of story.
>> >> >
>> >> > (For one, earler versions of Windows don't use/support Windows
>> >> > Update, and a
>> >> > lot of people have it turned off anyway, from paranoia/prudence/
>> >> > whatever. But
>> >> > just in general, there's a lot of old stuff out there, not just
>> >> > Windows.)
>> >>
>> >> Even if everyone had Windows Update enabled, it would take
>> >too long to
>> >> get every system upgraded.
>> >
>> >Most of today's core routers have already been able to support
>> >more than 1
>> >million routing entries, is there enough incentive for the 
>carriers to
>> >deploy map&encap scheme within a short period.
>> >
>> >Should we take a survey to reach an agreement on when the new
>> >address and
>> >routing scheme should be deployed?
>> >
>> >> The most popular network-based application is your 
>favorite browser.
>> >> How many of them are not on the latest rev?
>> >>
>> >> Upgrading roughly 2 to 4 CE routers at every site on the
>> >Internet will
>> >> happen in far less time than changing every host.
>> >
>> >The approach that map implemented by hosts and encapsulation
>> >implemented by
>> >ITRs is incremental deployable. If hosts have not been changed
>> >to support
>> >this capability, the ITR can implement the map and
>> >encapsulation together.
>> >The upgraded hosts will not suffer the initial packet
>> >loss/latency pain. And
>> >the ITR with upgraded site network doesn't need a cache.
>> >
>> >Best wishes,
>> >Xiaohu XU
>> >
>> >
>> >
>> >--
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>> >
>
>
>

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