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sam masud
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sam masud,
User Rank: Light Sabre
11/17/2014 | 2:29:39 PM
No way
I'm not sure I'd agree with Dan that the "biggest security challenge in SDN and NFV is job security." I think as we to to a vartualized eco-system, the security challenge will multiple because now we would not just be talking about security of individual boxes, but security for the whole shebang.
TomNolle
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TomNolle,
User Rank: Light Sabre
11/16/2014 | 1:57:53 PM
Re: Don't Minimize the Challenges
I think all the OTTs have done a great job at optimizing network engineering for their application, but I also think that in many ways a large enterprise has a harder job.  They don't have a single application.  They have to support multiple levels of performance, security.  They probably have to support multiple platforms, and a whole passle of regulatory issues.  I think we need to re-learn network optimization, but I also think that optimization always has to be in the eye of the beholder (or optimizer!)
danielcawrey
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danielcawrey,
User Rank: Light Sabre
11/16/2014 | 1:52:16 PM
Re: Don't Minimize the Challenges
Companies like Facebook and Google have changed the way networking engineering is done, probably to the chargrin of existing IT professtional. 

But I like these changes. I think they are important to the industry as cloud reliability is more important than just network reliability. You can have service, but if it is not connecting into the the right data in the cloud, it is worthless. 
TomNolle
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TomNolle,
User Rank: Light Sabre
11/16/2014 | 7:30:39 AM
Re: Don't Minimize the Challenges
I don't, Joe.  However, I was never called as a witness so I'd suspect that the vendor reached an accommodation with the customer out of court.
Joe Stanganelli
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Joe Stanganelli,
User Rank: Light Sabre
11/16/2014 | 12:17:46 AM
Re: Don't Minimize the Challenges
Tom: Despite the failings of the employee who relied on those representations without checking them, I imagine the vendor would have faced some pretty significant liability.  Do you know what the legal fallout was?
Joe Stanganelli
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Joe Stanganelli,
User Rank: Light Sabre
11/16/2014 | 12:16:21 AM
Re: Don't Minimize the Challenges
@seven: It really highlights the necessity of constant uptime.

So many SaaS providers and the like like to brag things like "99.5% uptime!"  Well, that means that you have no service for 43 hours and 48 minutes every year.  When is that downtime?  When is that maintenance?  And how does this work with business needs?
mhhf1ve
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mhhf1ve,
User Rank: Light Sabre
11/14/2014 | 5:08:55 PM
The challenge is...
Operators need to do both -- be able to roll trucks and maintain five9s of service AND deploy fault-tolerant services where possible. Newer OTT players don't need to bother with the truck rolls, so they're inherently more nimble about development.

Maybe someday when the network is truly distributed (hardware is all customer owned and mobile?) then operators wont need to worry about the truck rolls so much....
Atlantis-dude
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Atlantis-dude,
User Rank: Light Sabre
11/14/2014 | 3:51:09 PM
Besides jobs
how much does it affect the business model of the carriers?
TomNolle
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TomNolle,
User Rank: Light Sabre
11/14/2014 | 1:50:51 PM
Re: Don't Minimize the Challenges
You can load-balance transactions like clicks onto an alternate server without the user even knowing it, though clicking again is always an option and most aren't aware of the fact they had to do it--it's second nature.  Replacing a failed trunk or device is another matter.

I don't think SDN threatens people's careers either, except perhaps at the equipment vendor level.  Where you might see job losses would be where SDN reduced opex, which is the same as saying "reduced headcount".  You might find people who knew (for example) Cisco routers and were threatened by SDN, but more of them would be working at Cisco than working at a network operator.

As far as SDN happening, it's a statistically insignificant portion of current capex.  Yes we have trials and some applications, but the money is being spent elsewhere for now.  Which is why I think SDN supporters should be looking at the benefit and risk analysis and figuring out why that is.
Mitch Wagner
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Mitch Wagner,
User Rank: Lightning
11/14/2014 | 1:37:13 PM
Re: Don't Minimize the Challenges
Tom, I don't think Dan is saying SDN adoption is slowed by network operators. I think he's saying it's happening and it threatens' operators' careers. 

As for Google and Facebook simply being able to reload pages that fail to come up -- how often does that happen? I can't remember it ever happpening. Reddit sometimes fails to load for me, but Google and Faecbook are always there. Even on Twitter, the "fail whale" hasn't shown up in a long, long time. 
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