*>>I think that’s what’s meant by “perception of infinite capacity”.*
**** Fair enough, Ken. *ASB **http://XeeMe.com/AndrewBaker* <http://xeeme.com/AndrewBaker>* **Providing Virtual CIO Services (IT Operations & Information Security) for the SMB market…*** On Thu, Feb 14, 2013 at 8:47 PM, Ken Schaefer <[email protected]> wrote: > I’m not really familiar with SkyDrive and GoogleDrive – they’re more > targeted at consumers right? What about the corporate offerings? Can you > just get more and more storage as required?**** > > ** ** > > For Amazon EC2 – the scalability is in the number of machines you can buy, > not in the configuration of each individual machine. Whilst there must be > some finite limit to the total number of server instances that Amazon could > provision at a given time, as far as an individual purchaser is concerned, > there isn’t “only 8 RU of rack space left, so you could put in 8 1U > servers”, or “we only have cooling for XYZ more watt/hours”, or “we only > have 10 more vCPUs we can commit’. Instead, the data centre doesn’t have a > defined limit as far as the customer is concerned, and you can buy 1, 5 or > 10 more servers without the need to evaluate against typical DC > constraints. Now, much spare capacity (cloud design patterns call for > “reserve” fault domains – i.e. extra capacity to cater for growth) is a > capacity management issue. It’s always possible that someone turns up and > says “I want to buy 1,000,000,000 server instances”, but it’s probably very > unlikely. Based on what Amazon sees today, plus what they expect in the > future, they pre-provision extra, spare, reserve capacity, so that > customers can keep buying more capacity “on-demand”**** > > ** ** > > I think that’s what’s meant by “perception of infinite capacity”.**** > > ** ** > > I think Tom Shinder’s now working at MS as one of their cloud architects. > If he’s still on the list, he could chime in, as Microsoft’s follows that > design pattern.**** > > ** ** > > Cheers**** > > Ken**** > > ** ** > > *From:* Andrew S. Baker [mailto:[email protected]] > *Sent:* Friday, 15 February 2013 12:24 PM > > *To:* NT System Admin Issues > *Subject:* Re: Backup to cloud?**** > > ** ** > > While I agree and support the NIST cloud definitions, I have to conclude > that except for some private cloud configurations, no one is actually > selling "Perception of infinite capacity," today -- and maybe not for a > while, either.**** > > ** ** > > Amazon EC2 is definitely cloud computing, but there are limits on how much > computing you can get without instantiating a new server instance. > DropBox is cloud storage, but the limit of space is not that fluid -- same > for SkyDrive, GoogleDrive, Box.com, etc.**** > > ** ** > > What the cloud provides today in reality, is self-service and major > flexibility for expansion or reduction, as desired. **** > > ** ** > > The other definitions are legit, but there are no complete implementations > of them out there today.**** > > > **** > > **** > > **** > > *ASB > **http://XeeMe.com/AndrewBaker* <http://xeeme.com/AndrewBaker>* > **Providing Virtual CIO Services (IT Operations & Information Security) > for the SMB market…***** > > **** > > ** ** > > On Thu, Feb 14, 2013 at 5:17 PM, Ken Schaefer <[email protected]> > wrote:**** > > No – I disagree. Whilst, in IT, there is much marketing BS from vendors > wanting to sell you stuff, the core cloud definitions are pretty well > settled IMHO. Most people use a variation of what NIST has published:**** > > **** > > *Features:***** > > · Perception of infinite capacity, with rapid elasticity (as far > as the user is concerned the capacity is available on-demand)**** > > · Ability for user to perform self-service > provisioning/deprovisioning (no need to involve the vendor)**** > > · Broad network access: access via widely accepted protocols > (like web services) thus accessible on a variety of devices and thick/thin > client models**** > > · Resource Pooling: multiple end users may be mixed together and > spread across the available physical resources and fault domains**** > > · Measured service: automated monitoring and capacity management > (e.g. dynamic provisioning and resource usage levelling). Also provides > transparent resource (and thus cost) accounting to the end user**** > > * ***** > > *Types:***** > > · IAAS (you get some compute, storage etc.), **** > > · PAAS (you get a platform, like SQL Server) or **** > > · SAAS (you get to use an application e.g. like SalesForce)**** > > **** > > *Location:***** > > · Private (your DC), **** > > · Public (someone else’s DC) and **** > > · Hybrid (in your DC, but you can expand or burst into someone > else’s)**** > > * ***** > > Just uploading some data to a DC is *definitely not cloud.* Most > outsourcers and vendors struggle with implementing all the features unless > they are building from the ground up. To build a pure cloud (and I’ve > worked on a couple of large private ones) involves a lot of work to build > the systems that automate everything, because there’s a lot of stuff > (provisioning, incident management) that’s usually made up “on the fly” in > most places. And you can’t automate rules that don’t exist.**** > > **** > > Cheers**** > > Ken**** > > **** > > *From:* Webster [mailto:[email protected]] > *Sent:* Friday, 15 February 2013 4:41 AM**** > > > *To:* NT System Admin Issues > *Subject:* RE: Backup to cloud?**** > > **** > > “The Cloud” is nothing more than someone else’s data center. So yes, that > is The Cloud.**** > > **** > > Thanks**** > > **** > > **** > > Webster**** > > **** > > *From:* Guyer, Don [mailto:[email protected] <[email protected]>] > *Subject:* RE: Backup to cloud?**** > > **** > > This is where the term “the cloud” becomes murky, in my opinion. If I’m > sending data over a private circuit to a 3rd party data center, is that > really “the cloud”?**** > > **** > > **** > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~**** > > > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to [email protected] > with the body: unsubscribe ntsysadmin**** > > ** ** > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to [email protected] > with the body: unsubscribe ntsysadmin**** > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to [email protected] > with the body: unsubscribe ntsysadmin > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to [email protected] with the body: unsubscribe ntsysadmin
