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Rumor: Cisco Prepping CRS-1 Successor

Craig Matsumoto
2/2/2010

The next Cisco Systems Inc. (Nasdaq: CSCO) core router, the MSC 120, could be announced this month, according to Oppenheimer & Co. Inc. analyst Ittai Kidron.

In a note issued today, Kidron adds that the router, with up to 2.88Tbit/s of capacity by some metrics, probably won't ship until mid-2011 due to problems with the switching chipsets.

Kidron thinks the router will have a per-slot capacity of 120Gbit/s, which would appear to outdo the 100Gbit/s of per-slot capacity offered by the Juniper Networks Inc. (NYSE: JNPR) T1600 or the Alcatel-Lucent (NYSE: ALU) 7750 Service Router.

It would certainly best the CRS-1, which carries just 40Gbit/s per slot.

A 24-slot version of the router would therefore have 2.88Tbit/s capacity, although that figure doesn't address the switch-fabric capacity or the aggregate capacity of the router's interfaces.

Kidron also thinks a 12-slot version is in the works.

— Craig Matsumoto, West Coast Editor, Light Reading

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dkh
dkh
12/5/2012 | 4:43:39 PM
re: Rumor: Cisco Prepping CRS-1 Successor


Just a couple of years late (give it 6-12 months more for the actual product delivery).


If you are curious, Huawei also claims they have a 100GE capable core router with a twist. According to their video, it is targeting the era of the "Ultra Boardband" )


http://market.huawei.com/hwgg/...


 

Pete Baldwin
Pete Baldwin
12/5/2012 | 4:43:38 PM
re: Rumor: Cisco Prepping CRS-1 Successor


How about RHFR?

Pete Baldwin
Pete Baldwin
12/5/2012 | 4:43:38 PM
re: Rumor: Cisco Prepping CRS-1 Successor


What I find interesting is the sudden importance of per-slot capacity, here and on the ASR 9000 ... versus the CRS-1's emphasis on building a massive fabric.


Cisco makes a big deal out of the fact that people ridiculed CRS-1's scale back in 2004.  But is this announcement an admission that the CRS-1 scales in the wrong dimension?

Stevery
Stevery
12/5/2012 | 4:43:38 PM
re: Rumor: Cisco Prepping CRS-1 Successor


We've gone from the GSR to the BFR to the HFR.  What's next?

forsythe.meadows
forsythe.meadows
12/5/2012 | 4:43:37 PM
re: Rumor: Cisco Prepping CRS-1 Successor


huawei will likely announce in 2010- they really did something beyond off the shelf this time


and they will fix their spelllllling errrrrrors


they indeed grabbed an asic team that will outwit their off-the-shelf adventures


whether they will enjoy much core is not yet certain! too new for a box that sits in the "oops - we lost new england" category


cisco is late to the bash - 2010 is the year of the demo!


 

dkh
dkh
12/5/2012 | 4:43:36 PM
re: Rumor: Cisco Prepping CRS-1 Successor


> What I find interesting is the sudden importance of per-slot capacity, here and on the ASR 9000 ... versus the CRS-1's emphasis on building a massive fabric.


Craig,


Let's not confuse creative marketing with revenue-generating product capabilities.


ASR9K started life with 40G/slot linecards and only now starts gaining 80G/slot blades. CRS-1 fabric does only 40G/slot, but can (theoretically) support many destinations for multichassis.


Practically scaling a multichassis beyond 8xLCC involves solving too many software, hardware and systest issues. That's why it takes several years between shipping a single-chasis and multi-chassis system, in which timeframe the newer generation of silicon becomes available rendering the old multichassis system useless. For analogy, imagine someone offering a room full of interconnected Cisco 7500 routers - not a good investment from space, energy and throughput perspective.



We all heard senior Cisco executives dropping "petabytes" here and there and I think Guinness record book still lists CRS-1 as a "92Tbps router", but this, of course, is pure nonsense for technically handicapped cat owners (somehow dog owners tend to know better).



So, technically, upping the ante for CRS-1 slot capacity is a significant achievement.


What's much less impressive is timing - Juniper T1600 has been shipping since 2007, which means that Cisco's new box risks becoming obsolete immediately after the first product shipments (2011?)





schlettie
schlettie
12/5/2012 | 4:43:34 PM
re: Rumor: Cisco Prepping CRS-1 Successor


No one with any sense releases a new chassis without a plan to scale the slot capacity 3-4x in the future.  Cisco didn't forsee 100 GE?  I wonder if they will hatch yet another OS for the new box.


Juniper stands to pick up a lot of business from stranded CRS-1 customers.

TomS6
TomS6
12/5/2012 | 4:43:34 PM
re: Rumor: Cisco Prepping CRS-1 Successor


note to self: don't pay for any Oppenheimer & Co reports on networking gear.


 


Abandoning the CRS-1 as the article/rumor implies would be beyond stupid and won't happen. Maybe a little research on the CRS-1 (like the parts list) would be enlightening for the author.

Pete Baldwin
Pete Baldwin
12/5/2012 | 4:43:33 PM
re: Rumor: Cisco Prepping CRS-1 Successor


Schlettie:


>I wonder if they will hatch yet another OS for the new box.


Oooh, good one.  There's no way they'd bring in yet another OS, right? Right?


Pete Baldwin
Pete Baldwin
12/5/2012 | 4:43:33 PM
re: Rumor: Cisco Prepping CRS-1 Successor


Dkh -- Great points, thanks for the post.  Actually, it was the marketing I was talking about -- interesting to see which ultra-big dimension becomes important from year to year.  I doubt we'll hear about "72-box multichassis" this time around, maybe for the exact reasons of practicality that you mention.


>What's much less impressive is timing - Juniper T1600 has been shipping since 2007, which means that Cisco's new box risks becoming obsolete immediately after the first product shipments (2011?)


That's a good point!


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