>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
>> > FAQ, list archives, and subscription info:
>> http://www.groupstudy.com/list/cisco.html
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