Keeping cloud applications up

Keeping cloud applications up

Summary: As organizations move ever more critical workloads into cloud computing environments, the importance of application high availability and reliability  (HA) comes to the forefront. Several suppliers of hardware and software forms of "non stop" or "continuous processing" solutions have announced their entry into cloud computing.

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TOPICS: Cloud
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As organizations move ever more critical workloads into cloud computing environments, the importance of application high availability and reliability  (HA) comes to the forefront. Several suppliers of hardware and software forms of "non stop" or "continuous processing" solutions have announced their entry into cloud computing.

Stratus and Neverfail are two examples.  Stratus is offering both a hardware and a software-based solution. Neverfail offers a software-based solution.

In each case, these HA solution suppliers have created partner programs and are working with managed services, hosting and collocation suppliers to make it possible for them to create HA platform as a service offerings.

The hardware-based solutions offered by Stratus would allow a single machine to offer 99.9999% up time or greater. The software-based solutions by both Stratus and Neverfail would be useful for critical applications needed slightly less measured levels of up time.

It is clear that moves made by both of these companies and a few other competitors clear away some end-user organization's fears about using cloud computing.

Topic: Cloud

About

Daniel Kusnetzky, a reformed software engineer and product manager, founded Kusnetzky Group LLC in 2006. He's literally written the book on virtualization and often comments on cloud computing, mobility and systems software. In his spare time, he's also the managing partner of Lux Sonus LLC, an investment firm.

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5 comments
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  • RE: Keeping cloud applications up

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  • Flexible cloud

    Working in any organisation that has their applications based in the cloud is a godsend. I love the flexibility it offers the work force. This in turn not only reduces cost, but also makes for a happier worker which is able to do business from any part of the globe that has an internet connection. A mobile workforce is a productive workforce.
    cloud_zone
  • RE: Keeping cloud applications up

    Isn't that what I'm supposedly paying my SaaS or IaaS vendor to do? As a IaaS customer I would have the expectation that this is taken care of as part of the offering. Otherwise, whats the point?
    civikminded
  • RE: Keeping cloud applications up

    Great post, Dan. Thanks for mentioning Neverfail. In the interest of full disclosure, I work for the company but wanted to provide some additional thoughts around one of the previous comments.

    There's certainly some level of availability built into most SaaS offerings. The issue comes when the SLA provided by the vendor doesn't match the requirements from the business or there's additional cost to subscribe to a higher level of availability. I worked for a cloud computing provider and our offering provided basic local high availability, for example, as part of the cost of the solution but offsite disaster recovery with a recovery time < 1 hr was provided at an additional cost.

    The challenge is that with SaaS offerings, the customer has little control over how the underlying infrastructure is protected because they've outsource the entire stacking including the application, OS and underlying hardware to someone else. With IaaS offerings there are also minimum SLAs provided and sometimes additional cost for offsite disaster recovery or enhanced recovery windows, but the difference is that you have control of some of the stack (mostly from the OS up) so you can implement other HA/DR solutions if desired.
    bob@...
  • RE: Keeping cloud applications up

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