>On a related subject that Howard brought up regarding GMPLS what does
>everyone think of Cisco's decision to dump the 15900 Wavelength Router?  It
>was slated to be one of the first commercial Multi Protocol Lambda Switching
>boxes using SRP however, on April 4th it suddenly dissappeared from Cisco's
>web site.  They've stated that due to the economy it was not profitable to
>continue development of that product and that Cisco would instead pursue
>more immediate demands such as metro DWDM.
>
>In my opinion removing yourself from the Lambda Switching market is not a
>wise direction for the future.  The idea of unifying the intelligence and
>services of todays layer 3 (and up) boxes with the speed and redundancy of
>next-generation optical platforms is extremely profitable in the near
>future.  This should be where the market leaders in networking spend most of
>their R&D on.  I've heard Lucent and Nortel (among many others) are very
>active in developing intelligent optical switching.
>
>Any other opinions?

Yes, Nortel is very active.  Since I'm directly involved in Nortel 
product planning, I am reluctant to speculate in public who should be 
doing what.  But GMPLS certainly seems to be one important trend, but 
routing won't remplace it -- and vice versa.

>
>-Michael Cohen
>
>-----Original Message-----
>From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
>David Chandler
>Sent: Tuesday, May 29, 2001 10:49 AM
>To: [EMAIL PROTECTED]
>Subject: Re: Does MPLS really live up to all its hype? [7:6151]
>
>
>of those functions already has an established (and often better)
>solution.  Would any vendor be recommending MPLS if it did not require
>an upgrade? $$$$$
>
>
>I vote:    Floor Wax....   :->
>
>
>PS: Where can I find the article?
>
>DaveC
>
>
>
>Irwin Lazar wrote:
>>
>>  A collegue of mine wrote an article some time back entitled "MPLS: Desert
>>  Toping or Floor Wax"
>>
>>  MPLS originally was created to solve the problem of slow, software-based
>>  routers.  Hardware-based (aka Layer 3 switches) routers alleviated that
>>  requirement.  Since then MPLS is being used for all sorts of different
>>  functions including:
>>
>>  - traffic engineering
>>  - IP-based virtual private networks
>>  - L2 encapsulation within L3 networks
>>  - Reservation of L1/2 resources by L3-based control mechanisms
>>
>>  IMHO, the basic goal of MPLS is to converge the various L1/2-specific
>>  control mechanisms into a single, unified control plane capable of
>>  provisioning and managing a path across a packet-based network
>>  infrastructure.  But who knows where we will be in five years.
>>
>>  Irwin
>>
>>  -----Original Message-----
>>  From: David Chandler [mailto:[EMAIL PROTECTED]]
>>  Sent: Tuesday, May 29, 2001 8:07 AM
>>  To: [EMAIL PROTECTED]
>>  Subject: Re: Does MPLS really live up to all its hype? [7:6151]
>>
>>  No Way!!!
>>
>>  The Marketing people NEVER exagerate.....    :->
>>
>>  MPLS does seem like a solution to a problem that was fixed some time
>>  ago...ie: fast-switching, CEF etc...
>>
>>  DaveC
>>
>>  NRF wrote:
>>  >
>>  > Mr. Berkowitz, please read this post and respond.
>>  >
>>  > Okay, I am going to run the risk of starting a religious war here.  But
>I
>>  do
>>  > have to ask, is MPLS really as great as people say?
>>  >
>>  > I know many people, on newsgroups and in real-life, champion MPLS as
the
>>  > perfect answer to the problems of the core Internet.  Faster IP
>>  forwarding,
>>  > traffic engineering, VPN capabilities, etc., it seems to have some
>>  powerful
>>  > features.    No doubt, this attitude is sparked by Juniper, which is
>using
>>  > MPLS as a strategic weapon against Cisco, and since Juniper keeps
eating
>>  > Cisco's lunch, it stands to reason that MPLS has something to do with
>it.
>>  > In fact, many network engineers treat MPLS as nothing less than the
holy
>>  > grail.
>>  >
>>  > But I wonder if the hype has begun to outstrip reality.
>>  >
>>  > For example, as a response to the LightReading test, Bill St. Arnaud of
>>  the
>>  > Canadian carrier Canarie states "The MPLS [multiprotocol label
>switching]
>>  > throughput results confirmed our suspicions that MPLS does not buy you
>>  much
>>  > except a big management headache. True, the throughput is higher, but
>not
>>  > significantly higher than IP forwarding"
>>  >  http://www.lightreading.com/document.asp?site=testing&doc_id=3909
>>  >
>>  > And even the idea of higher throughput has been questioned by the
mother
>>  of
>>  > all networking, Radia Perlman:
>>  > " Originally [MPLS] was designed to make it possible to build fast
>>  routers,
>>  > but then, using techniques such as [trie searches, parallelism, K-ary
>>  > searches] people built routers fast enough on native IP packets.  So
now
>>  > MPLS is thought to be mostly a technique for classifying the type of
>>  packet
>>  > for quality of service or for assigning routes for traffic
>engineering..."
>>  > (Interconnections, 2nd Ed., p. 347-348).  And I think we would all
agree
>>  > that anything Ms. Perlman says must be given serious weight.
>>  >
>>  > So I must ask, does MPLS really live up to all the hype?  Is it really
>the
>>  > greatest thing since sliced bread?  How much of MPLS really is an
>>  > improvement on today's network, and how much of it is just a bunch of
>>  > (probably Juniper) marketing bullshi*?  Has any company ever worked for
>a
>>  > company that evaluated MPLS and then decided not to use it, and if so,
>>  what
>>  > were the reasons?
>>  >
>>  > Thanx for all the non-flame responses
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