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Posts Tagged ‘cloud computing’

Survey on Cloud Computing adoption in Ireland

Posted by Gerry Power on September 10, 2009

The Irish Internet Association’s working group on Cloud Computing has just published a market research survey which we would be grateful if members of this group could respond to.

This market research is really valuable to understand if Ireland is lagging in cloud computing adoption or not, whether it’s potential is living up to its promise and identifying what exactly are the barriers to greater adoption.

We thank you for responding to this survey which will help us to help Irish businesses benefit from the cloud. All respondents will receive a complimentary copy of our Whitepaper (working title: Why Ireland’s not Cloud Computing?) which is being written in collaboration with all the major cloud vendors (Google, IBM, Microsoft, Salesforce, etc.) and some major Irish enterprises.

If you have any questions about the group’s objectives, please do not hesitate to contact me at gpower@sysco.ie.

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Some advantages and disadvantages of SaaS

Posted by Gerry Power on August 14, 2009

Flexibility & Freedom

  • SaaS applications can be accessed anywhere from any PC
  • Less need for any internal IT management
  • Security is actually stronger than on-premise, particularly for small businesses
  • You can trial solution before buying
  • You can go live rapidly since the standard application is already available
  • In the multitenant model, you are always on current software versions since upgrades are forced

Better bottom line

  • The upfront cost is radically reduced (e.g.  no hardware costs)
  • System management costs can be reduced
  • A fixed capital cost becomes a variable expense
  • Commitment is low since you pay month by month
  • You pay for what you want (SaaS’ variable pricing means user numbers can change month by month)

But the Bad Bottom line

  • Over time, renting is more expensive
  • It is a continuous monthly expense
  • You do not own an IT asset

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Delivery models for Cloud Computing

Posted by Emer Kenny on August 14, 2009

The Whitepaper started by adopting an independent third party working definition from the American National Institute of Standards and Technology.

The IIA Working Group have used the definitions of IaaS, PaaS & SaaS which are from this community.

http://csrc.nist.gov/groups/SNS/cloud-computing/

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The issue with sharing resources

Posted by Gerry Power on August 13, 2009

Since cloud computing is essentially based on a model of `shared resources on demand’,  this architecture challenges heavy transactional enterprise systems which have to `share’ I/O paths and storage infrastructure. 

In other words, customers of the cloud not only need to worry about their own applications contending with each other but also contention between their applications and a myriad of other companies’  applications which will be sharing the same storage infrastructure.

There is a similar concern for intra node communications, which are vital if enterprises wish to provide a highly available clustered environment.

Guaranteed I/O performance (or at least guarantees that they would not be contending with other companies’ applications) are critical for enterprises considering deploying of their systems in the cloud but cloud vendors typically do not provide guidelines for I/O much less guarantees.

Why? Because “shared resources on demand” means they can’t.

Is this a Catch 22 for enterprise adoption? How will cloud vendors  grapple with the challenges this shared   storage model creates for heavy transactional enterprise systems?

Stay tuned for the vendor’s response…..

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The cost of reliable uptime in Ireland is just too high

Posted by Gerry Power on July 31, 2009

It stands to reason that a business that fully embraces cloud computing – particularly for critical applications that cannot fail – must have guaranteed broadband access to the cloud. The fact is internet connectivity options are limited in Ireland and wireless which is more accessible can be unreliable.

The issue for Ireland is not just that we are lagging far behind the broadband penetration targets that the government set itself but the high cost of guaranteeing this access.

The cost of SLAs from ISPs guaranteeing 99.9% uptime come at huge cost and this cost contributes to the total cost a business must incur to migrate its critical applications to the cloud.

Until Irish ISPs can guarantee Irish businesses reliable uptime at a reasonable price, the cost benefits that cloud computing promises cannot be fully realised. This is a huge inhibiting factor to adoption and one that much be esclated to government to resolve.

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Have a chat …

Posted by Emer Kenny on June 30, 2009

We’ve been getting great exposure and response from our Cloud Computing Tutorials. Gerry has been spreading the word. For anyone who’d like to have a chat, contact Gerry at gpower at sysco dot ie

http://www.techcentral.ie/article.aspx?id=13594

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So what is Cloud Computing?

Posted by Emer Kenny on June 25, 2009

Need a 5 minute explanation of Cloud Computing, check out this video!

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