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Agile, DevOps, Cloud: IT's New Trinity
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Charlie Babcock
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Charlie Babcock,
User Rank: Author
3/27/2014 | 6:04:12 PM
Past may be prologue to but doesn't pre-determine the future
Steve, you have a point. The primary purpose today for agile is to speed up modification of legacy systems. But there's no reason its principles won't be applied to writing of next generation apps and in fact they already are. The past doesn't always predetermine the future. Dev teams will comprehend the cloud and want to deploy to it.
SteveStrutt
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SteveStrutt,
User Rank: Apprentice
3/27/2014 | 1:19:41 PM
Re: Sophistircated software running on cheap hardware
I differ. The value of Agile and DevOps is to realise business value quickly and monitise opportunities. In this respect they are is ideally married with cloud to deliver business outcomes. The economic cost of infrastructure is secondary as long as the cloud platform is agile and scalable. 

I see the value of working with clients to bring DevOps and agile to existing applications and function, is in enabling change and progression in previously static legacy systems that have been holding businesses back.

The economic argument for use of commodity 2 9's hardware brings on a different challenge of application design and development. How many developers have expertise in developing resilient 5 9's apps on 2 9's hardware and can use frameworks like Netflix OSS. DevOps and Agile are good for iterating application function based on user feedback, poor at interating non-functional characteristics as feedback is over a much longer time frame. Which Netflix found to their cost a few Christmas's ago.

Core banking and blue light services are unlikely candidates, long with many others. Though those systems certainly benefit from agile and DevOps.
dbartoletti570
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dbartoletti570,
User Rank: Apprentice
3/26/2014 | 12:55:03 PM
Couldn't have said it better myself
Excellent article, Charlie! Great minds :-)
Charlie Babcock
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Charlie Babcock,
User Rank: Author
3/25/2014 | 6:40:25 PM
Sophistircated software running on cheap hardware
Good summary, J.P. Morganthal. Randy Bias strikes again. He's said many memorable things. But I'd add it's not just the resilient software on cheap hardware. It's also the simplified, standardized environment and the ability to apply automated processes to it. But at the core, the economic argument, sophisticated software running on cheap hardware, stands.
jpmorgenthal-tw
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jpmorgenthal-tw,
User Rank: Apprentice
3/25/2014 | 9:57:19 AM
Is it about delivering at scale
For a long time I struggled with why I should recommend a customer pay to migrate a steady-state workload to any type of cloud environment (private, public, hybrid). After all, it doesn't see the spikes mentioned in this article, there's a nominal % growth year over year, the operations team have a complete Runbook for operating the system through any type of disaster. There's so many other areas where IT could more effectively spend their money than to take this workload and migrate it to a cloud environment.

What convinced me of the importance of taking this step was listening to Randy Bias at a recent DevOps Meetup in Chicago. I've paraphrased it so much, I don't remember his original statement, but for me it works out to there's a major fundamental benefit from delivering 5 9's software running on 2 9's hardware versus building 5 9's in hardware.

And there it is, the gold at the end of the rainbow for DevOps.

The mission that could only effectively be met by development & operations working hand in hand as an effective team with appropriate controls and communications. The value proposition is significant. If you don't believe, read the stories coming out of Google, Facebook & Twitter. Resiliant software designed to operate in the face of hardware failure with no/minimal loss of data running on commodity hardware that can be continually be expanded without requiring maintenace windows or reconfiguration, operates across geographic distances so that loss of an entire facility constitutes only a minor disruption in service all done at a fraction of what it would cost to operate using traditional enterprise hardware alternatives.
cobiacomm01
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cobiacomm01,
User Rank: Apprentice
3/24/2014 | 6:12:27 PM
DevOps meets Agile ALM in the Cloud
Great post Charlie!    Agile ALM accelerates software development iterations, DevOps accelerates deployment, and Cloud accelerates execution.      How many environments and tools unify the trinity points?     Have you taken a look at WSO2 App Factory, a DevOps PaaS?
Charlie Babcock
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Charlie Babcock,
User Rank: Author
3/24/2014 | 12:54:54 PM
Software is taking over the world
That's about right, Lorna. LIke the diner analogy. Software is taking over the world, and if you don't have the most efficient platform on which to run it, you'll find all kinds of disadvantages slowly accruing to your account. Sometimes that platform is on premises, sometimes in the cloud. What we really want is close to 100% utlization of the resource in either place.
Lorna Garey
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Lorna Garey,
User Rank: Author
3/24/2014 | 11:25:27 AM
It's about the spikes
Charlie, thought about this yesterday when I passed a local diner. The place is usually 65% full, except on Sunday between 10:00 and noon, when the line is out the door and plenty of potential customers decide not to wait and drive on by. Every week, the owners lose money because they can't handle a predictable spike in demand. Companies that take to heart the concept of Agile and DevOps -- which quite possibly will lead to a demand spike -- but don't add that cloud angle risk leaving millions on the table.


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