Re: [cfaussie] Amazon EC2 hosting services viability

[Sean Corfield]

On Wed, Sep 7, 2011 at 6:10 PM, Steve Onnis st...@cfcentral.com.au wrote:
 I am running windows servers and based on the calculator at
 http://calculator.s3.amazonaws.com/calc5.html is will cost between
 $450 and $500 per month per instance to host, plus an extra $50ish for
 data.

Could you provide a bit more detail on how you arrived at those numbers?

I suspect you're assuming a much larger instance than you really need.

The real key with EC2 is figuring out a minimal baseline to deal with
your quiet time and then scaling up when you need it. The cloud
isn't a great replacement for your data center unless your traffic is
low by default - where you don't need your full data center - but has
spikes which are as high or higher than your data center capability.

Where I work, our traffic is seasonal: substantially higher in winter
than summer. That means we could scale cloud hosting to our summer
traffic and add capability in the winter. We could probably save a
boatload of money.

Also, if you're comparing managed services to cloud services, the
cloud will look attractive - but if you're comparing bare bones VPS or
dedicated servers that you fully manage yourself, the cloud will look
expensive.

Over the last four years, I've run production infrastructure in a
combination of cloud, data center, and local servers. Every situation
is different but you need to weigh up all the costs (and benefits).
-- 
Sean A Corfield -- (904) 302-SEAN
An Architect's View -- http://corfield.org/
World Singles, LLC. -- http://worldsingles.com/
Railo Technologies, Inc. -- http://www.getrailo.com/

Perfection is the enemy of the good.
-- Gustave Flaubert, French realist novelist (1821-1880)

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RE: [cfaussie] Amazon EC2 hosting services viability

[charlie arehart]

Adding to all the helpful replies form others on this, I'll add that just
last night at the Atlanta CFUG we had a really well-informed speaker, a
long-time CFer who has done a lot of work with redeployment of CF and Railo
servers to Amazon's cloud offering. I'm hoping to have him present his talk
on the Online CFMeetup sometime soon. It was really well-received. 

In the meantime, Steve, his name is Jeremy Bruck, and he does consulting to
help people move to the cloud. I'm sure he'd welcome you reaching out to see
how he can help (i...@growstrategy.com).

/charlie


 -Original Message-
 From: cfaussie@googlegroups.com [mailto:cfaussie@googlegroups.com] On
 Behalf Of Steve Onnis
 Sent: Wednesday, September 07, 2011 9:10 PM
 To: cfaussie
 Subject: [cfaussie] Amazon EC2 hosting services viability
 
 I have been looking at the EC2 services and trying to work out if it
 is cost effective or not and so far it is coming way short.
 
 I am running windows servers and based on the calculator at
 http://calculator.s3.amazonaws.com/calc5.html is will cost between
 $450 and $500 per month per instance to host, plus an extra $50ish for
 data.  I have  a rack with 7 servers and a few VMs running other
 services,  so based on those numbers, to move my whole network into
 the cloud it will cost me over $6,000.00 to move my network into the
 cloud.
 
 So i guess the question is, where do the savings come from? Just from
 bandwith?  I appreciate there is the whole on demand elastic side of
 it but from a cost-benefit perspective, is it really worth it?
 
 Has anyone done the move and actually found cost benefits?
 
 
 Steve
 
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