Re: Cisco One Article

Good engineers will always be needed.

Read @cloudtoad's latest for a bit of a take on future directions

http://packetpushers.net/it-is-dead-all-hail-systems-engineering/

On 14/06/2012, at 5:23 PM, marc edwards wrote:

> I still think things will fall back on traditional protocols. What happens
> when there is a failure on controller? The practices taken to to
> traffic prioritization, path modification, dynamic discovery won't
> evaporate. You can't ignore the potential and yes a network engineer's role
> will change but it cout have a positive spin...
>
> On Wed, Jun 13, 2012 at 10:16 PM, sameer khan <khanzadap_at_hotmail.com> wrote:
>
>> It seems cisco is jumping the bandwagon of SDN. But What the future hold
>> for
>> CCIE candidates ? Is it time to think about moving to software side ?
>>
>>
>>
>> Thanks
>>
>>
>>> Date: Wed, 13 Jun 2012 21:40:49 -0700
>>> From: bdennis_at_ine.com
>>> To: ccielab_at_groupstudy.com
>>> Subject: Re: Cisco One Article
>>>
>>> Quote: "Cisco also unveiled proof-of-concept controller software and
>>> proof-of-concept OpenFlow v1.0 agent for its Catalyst 3750-X and 3560-X
>>> switches for SDN research"
>>>
>>> But who uses 3750 and 3560's as a data center switch? They should have
>>> started with something from the Nexus line. I guess it's at least a
>> start.
>>>
>>> --
>>> Brian Dennis, CCIEx5 #2210 (R&S/ISP-Dial/Security/SP/Voice)
>>> bdennis_at_ine.com
>>>
>>> Internetwork Expert, Inc.
>>> http://www.INE.com
>>>
>>> On 06/13/2012 12:24 PM, Tony Singh wrote:
>>>>
>> http://www.networkworld.com/news/2012/061312-cisco-sdn-260138.html?hpg1=bn
>>>>
>>>> Some interesting ideas inc vxlan and software defined 3750x and 3560x
>> for
>> r&d, wish I was there
>>>>
>>>>
>>>> --
>>>> BR
>>>>
>>>> Tony
>>>>
>>>> Sent from my iPad
>>>>
>>>> On 2 Jun 2012, at 16:38, WorkerBee<ciscobee_at_gmail.com> wrote:
>>>>
>>>>> Yes, there are customers in AU/NZ running QFabric in production.
>>>>>
>>>>>
>>>>> On Sat, Jun 2, 2012 at 7:45 PM, Radioactive Frog<pbhatkoti_at_gmail.com>
>> wrote:
>>>>>> Both vendor still won't support a third party SFP! what a insane.
>>>>>> Is there anyone who've deployed Qfabric yet in production?
>>>>>>
>>>>>> On Sat, Jun 2, 2012 at 7:07 PM, Joseph L. Brunner
>>>>>> <joe_at_affirmedsystems.com>wrote:
>>>>>>
>>>>>>> Ok ok ok - juniper boys settle down - we hear ya -
>>>>>>>
>>>>>>> Here is a breath of sanity on qfabric I found
>>>>>>>
>>>>>>> http://www.mentby.com/chris-evans-2/qfabric.html
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> -----Original Message-----
>>>>>>> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On
>> Behalf
>> Of
>>>>>>> Karim Jamali
>>>>>>> Sent: Saturday, June 02, 2012 4:39 AM
>>>>>>> To: Alexander Halim; Cisco certification
>>>>>>> Subject: Re: Article on Juniper QFabric
>>>>>>>
>>>>>>> Hi Alexander,
>>>>>>>
>>>>>>> I would say it is a much better architecture for various reasons.
>>>>>>>
>>>>>>> 1. With Nexus FEX, the N2K act as line cards& all traffic has to be
>> sent
>>>>>>> to the parent N5K whereas the QFnodes have a routing engine to
>> decide
>> where
>>>>>>> to send the packet.
>>>>>>> 2. There is only a single lookup across the whole system. There is a
>>>>>>> Fabric Header that is added by the QFnodes to determine which QFnode
>> the
>>>>>>> packet should be sent to .
>>>>>>> 3. The system can scale up to 6,144 10GE ports and still managed as
>> a
>>>>>>> single switch.
>>>>>>> 4. Fully converged I/O in terms of connecting the SAN switches to
>> the
>>>>>>> QFnodes.
>>>>>>>
>>>>>>>
>>>>>>>
>>
>> http://juniper.mwnewsroom.com/press-releases/deutsche-boerse-group-selects-ju
>> niper-networks-to--nyse-jnpr-0816396
>>>>>>>
>>>>>>>
>>
>> http://newsroom.juniper.net/press-releases/bell-canada-selects-juniper-networ
>> ks-single-tier--nyse-jnpr-0811293
>>>>>>>
>>>>>>>
>>>>>>> Thank You
>>>>>>>
>>>>>>> On Sat, Jun 2, 2012 at 10:54 AM, Alexander
>> Halim<cisco.alexand_at_gmail.com
>>>>>>>> wrote:
>>>>>>>
>>>>>>>> It seems similar to Nexus FEX but with much higher port density.
>> But
>>>>>>>> has anyone deployed QFabric in production?
>>>>>>>>
>>>>>>>> Regards,
>>>>>>>> Alexander Lim
>>>>>>>>
>>>>>>>> On Jun 2, 2012, at 4:48 AM, Sukhjit Hayre
>>>>>>>> <sukhjit.hayre_at_googlemail.com>
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>>
>>>>>>>>
>> http://m.zimbio.com/Cisco+Systems+Inc./articles/k8ulf-PRjAg/Juniper+QF
>>>>>>>> abric+smashed+Cisco+dreams
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> BR
>>>>>>>>>
>>>>>>>>> Tony CCNP CCNA R&S JNCIS-SEC MCSE
>>>>>>>>>
>>>>>>>>> Sent from my iPhone on 3
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Blogs and organic groups at http://www.ccie.net
>>>>>>>>>
>>>>>>>>>
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>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> KJ
>>>>>>>
>>>>>>>
>>>>>>> Blogs and organic groups at http://www.ccie.net
>>>>>>>
>>>>>>>
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Received on Thu Jun 14 2012 - 17:46:41 ART