Untitled Document
 Register Now & Save!
Untitled Document
2008 West Diamond Sponsor
Untitled Document
2008 West Platinum Sponsor
Untitled Document
2008 West Gold Sponsors
Untitled Document
2008 West Silver Sponsors
Untitled Document
2008 West Bronze Sponsors
Untitled Document
2008 West Exhibitors
Untitled Document
2008 West Media Sponsors
Untitled Document
2008 East Diamond Sponsor
Untitled Document
2008 East Platinum Sponsors
Untitled Document
2008 East Gold Sponsors
Untitled Document
2008 East Silver Sponsors
Untitled Document
2008 East Exhibitors
Untitled Document
2008 Media Sponsors
Latest News
In his session at 21st Cloud Expo, Carl J. Levine,...
"NetApp is known as a data management leader but w...
"We're focused on how to get some of the attribute...
Data scientists must access high-performance compu...
"CA has been doing a lot of things in the area of ...
Long-term partners Fujitsu Limited and Citrix Syst...
"WineSOFT is a software company making proxy serve...
As you move to the cloud, your network should be e...
In his session at 21st Cloud Expo, Michael Burley,...
22nd International Cloud Expo, taking place June 5...
Can't Miss RSS Feed
Subscribe to the RSS Feed & Get All The Conference News As It Happens!
Cloud Computing Opinion: The Goal of "Five Nines" - 99.999% Availability - is Meaningless
Cloud-based disaster recovery may very well be the "killer app" for cloud computing

Reuven Cohen's Blog

Lately it seems there are a number of people in the cloud computing community who are starting to discuss alternatives to the dreaded five nines concept and looking at ways that cloud-based infrastructures could be configured/deployed in a manner that is more proactive than reactive to disasters.

For about as long as there have been computer networks, administrators have attempted to keep these networks up and running. It seems to be a continuous battle between faulty hardware, poorly written software, unreliable connectivity and random acts of God. With the emergence of cloud computing we are now for the first time close to realizing a computing environment where we are able to focus less on keeping our applications up and more on making them run more efficiently and effectively.

In the era of cloud computing uptime guarantees and service level agreements (SLA) have started to become standard requirements for most cloud providers. Google, Amazon, and Microsoft have all started to implement some kind of SLA. They do this in an attempt to give their cloud users the confidence to utilize these systems in place of more common in house alternatives. The common goal for most of these cloud platform is to build for what I consider the myth of five nines. (Five nines meaning 99.999% availability, which translates to a total downtime of approximately five minutes and fifteen seconds per year.) The problem with five nines is it's a meaningless goal which can be manipulated to meet what ever you need it to mean.

In the case of a physical failure such as FlexiScale's recent one, the hardware downtime might be small, but the time to restore from a backup might be considerably longer. A minor cloud failure could cause a cascading series of software failures causing further application outage of hours or even days for those who depended on the availability of the given cloud. Meaning your cloud may achive five nines, but your application hosted on it doesn't.

Lately it seems there are a number of people in the cloud computing community who are starting to discuss alternatives to the dreaded five nines concept and looking at ways that cloud based infrastructures could be configured/deployed in a manner that is more proactive than reactive to disasters. There is a growing consensus that cloud-based disaster recovery may very well be the "killer app" for cloud computing. To achieve this, we need to start creating reference architectures and models that assume for failure. One that doesn't need to worry when the next disaster will happen next, just that it will happen and when it does, it's going to be business as usual.

In a recent conversation with Alan Gin founder of a super secret stealth firm called Zeronines, Alan described an interesting philosophy. He said the problem with most disaster recovery plans is the recovery is reactive, it is what happens after a disaster has already harmed your business. He said on its face, this is an unsound strategy. He went on to say; That current disaster recovery architectures, which uses the synonym “failover,” is based on the cutover archetype: a system’s primary component fails, damaging operations; then failover to a secondary component is attempted to resume operations. The problem with current cutover approaches is that it views unplanned downtime as inevitable, acceptable, and so requires that business halt.

I really liked this quote from an executive from EMC, a leading computer storage equipment firm, “current failover infrastructures are failures waiting to happen.”

To be competitive in today's always connected, always available world. We need to reinvent the fundamental idea of disaster recovery. One of the major benefits to using cloud computing is that you can make these types of failover assumptions well before they happen using an emerging global toolset of cloud components. It's not a matter of if, but a matter of when, when you take into consideration that application components will fail then you can build an application that features "failure as service". One that is always available, one with Zero Nines.

About Reuven Cohen
An instigator, part time provocateur, bootstrapper, amateur cloud lexicographer, and purveyor of random thoughts, 140 characters at a time.

Reuven is an early innovator in the cloud computing space as the founder of Enomaly in 2004 (Acquired by Virtustream in February 2012). Enomaly was among the first to develop a self service infrastructure as a service (IaaS) platform (ECP) circa 2005. As well as SpotCloud (2011) the first commodity style cloud computing Spot Market.

Reuven is also the co-creator of CloudCamp (100+ Cities around the Globe) CloudCamp is an unconference where early adopters of Cloud Computing technologies exchange ideas and is the largest of the ‘barcamp’ style of events.

In order to post a comment you need to be registered and logged in.

Register | Sign-in

Reader Feedback: Page 1 of 1

Untitled Document

Call 201 802-3020 or Click Here to Save $100!

Save $100

 Sponsorship Opportunities

Virtualization Conference & Expo, California and London is the leading event in its third year covering the booming market of Virtualization for the enterprise. Now featuring Cloud Computing Expo, this leading event will surely deliver the #1 i-technology educational and networking opportunity of the year for leading Virtualization technology providers.



Who Should Attend?

Senior Technologists including CIOs, CTOs, VPs of technology, IT directors and managers, network and storage managers, network engineers, enterprise architects, communications and networking specialists, directors of infrastructure Business Executives including CEOs, CMOs, CIOs, presidents, VPs, directors, business development; product and purchasing managers.

Cloud Computing Bootcamp

Introducing at Cloud Computing Expo 2008 West the world's first-ever full one-day, immersive "Cloud Computing Bootcamp" - led by developer-entrepreneur Alan Williamson, Founder of Blog-City.com and creator of the OpenBlueDragon CFML runtime engine.

View the full one-day schedule

Video Coverage of Virtualization Conference
on SYS-CON.TV

David Greschler: Virtualization Beyond the Datacenter to the Desktop
Miko Matsumura: Time Oriented Architecture: Evolution by Design?
Brian Stevens: The Future of the Virtual Enterprise
Kevin Brown: Leveraging Desktop Virtualization for Security, Manageability and Usability Beyond the Perimeter

Video Coverage of the Virtualization Power Panel 2007

Virtualization Power Panel 2007 with Gordon Jackson, David Christian, Ken Jisser and Ben Rudolf

 Conference Media Sponsor: Cloud Computing Journal

Cloud Computing Journal aims to help open the eyes of Enterprise IT professionals to the economics and strategies that utility/cloud computing provides. Cloud computing - the provision of scalable IT resources as a service, using Internet technologies - potentially impacts every aspect of how IT deploys and operates software.

Cloud Computing Expo 2008 Speakers Include...


VOGELS
Amazon


FEINBERG
EMC


WELTMAN
Yahoo

NICKOLOV
3Tera

HAAR
Appistry

ZHOU
Platform Computing

HERROD
VMware

KEAGY
GoGrid

KRISHNAN
ParaScale

COHEN
Enomaly

EATON
Cloudworks

BRYCE
Mosso

SHALOM
GigaSpaces

SOMAL
VMware

CHU
VMware

THORSTEN VON EICKEN
RightScale



SYS-CON EVENTS


Past Events Archive

SOAWorld Conference & Expo 2008 East
soa2008east.sys-con.com
Virtualization Conference & Expo 2008 East
virt2008east.sys-con.com
AJAXWorld 2008 Conference & Expo East
ajaxmar08.sys-con.com
SOAWorld Conference & Expo 2007 West
www.soaworld2007.com
Virtualization Conference & Expo 2007 West
virt2007west.sys-con.com
AJAXWorld 2007 Conference & Expo West
ajaxoct07.sys-con.com
SOAWorld Conference & Expo 2007 East
soa2007east.sys-con.com
Virtualization Conference & Expo 2007 East
virt2007east.sys-con.com
AJAXWorld 2007 Conference & Expo East
ajaxmarch07.sys-con.com
Other SYS-CON Events
events.sys-con.com

SOAWorld & Conference Alumni Delegates Represents...

• AccuRev
• Adea Solutions
• Adobe Systems, Inc [3 delegates]
• ADP
• Aeropostale, Inc
• Aetna
• Akbank Training Center
• American Family Insurance
• American International College
• American Modern Insurance
• Amphion Innovations
• Amplify LLC, Clipmarks [2 delegates]
• Anderson Consulting
• Arrow Electronics [3 delegates]
• Ashcroft Inc
• Athabasca University
• ATS
• Audatex
• Avanade, Inc.
• Avaya Inc. [5 delegates]
• Azul [2 delegates]
• Backbase [2 delegates]
• Bank of America
• Bank of NY
• Barnes and Noble
• Barnex Investment International Limited
• BEA
• Bear Stearns [2 delegates]
• Bendel Newspaper Company Limited
• BizInnovative
• Bloomberg [2 delegates]
• BlueBrick Inc.
• BMC Software
• Boeing
• Bottomline Technologies [2 delegates]
• BP
• Broadcom

   read more...
Cloud Computing Blogs
In other words, VMware’s server density is higher. Boles suggests this means that customers should be “assessing virtualisation on a ‘cost per application’ basis. VM density has a sign
Traditionally, the way people have implemented high availability is by using a high-availability management package like Linux-HA[1], then configure it in detail for each application, file system moun