Agile Development Infrastructure—on Premises or in the Cloud?

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The biggest disadvantage is that there may be security and control concerns. Any servers you own are in someone else's datacenter. It is important to ensure that there is rigorous security access into this facility. However, because it is the primary business of this service provider, there will most likely be fairly extensive security access control. You also want to ensure the datacenter staff is experienced troubleshooters and quick to resolve connectivity and network performance problems. Finally, it is important to gauge the profitability of the co-location service provider you select. If this service provider goes out of business, it may be difficult to get your server out of the service provider datacenter. Understand how portable the data on the server is and ensure backups are readily available from another site, especially if this server is hosting production data.

 

Some companies that provide co-location services include ColoSpace, I/O Data Centers, Colocation.com and Peer1 amongst others. They all provide either strictly collocation services or co-location as part of their set of services. Since co-location is most advantageous when the service is within your location, it is best to perform a search on co-location and possibly your city or state.

 

Renting Infrastructure in the Clouds

Renting or leasing from a cloud infrastructure is a more recent concept and option that some organizations are utilizing where the infrastructure (servers, software, etc.) is effectively in the internet cloud. This service is sometimes known as cloud computing but have a variety of other names each with slightly different focuses and approaches including software as a service (SaaS) sometimes known as the application service provider (ASP) model, platform as a service (PaaS), application infrastructure provider (AIP). In this article we will call it "cloud infrastructure" where you have a hosting service provider that may provide hardware, tools, software, network, etc., that is available to subscribers. It follows a pay per use approach that may be seen as utility computing, since you are charged for the portion you are using. 

About the author

Mario  Moreira's picture Mario Moreira

Mario Moreira is a columnist for the CM Journal, a writer for the Agile Journal, an author, an agile and CM expert for CA. He has worked in the CM field since 1986 and in the agile field since 1998. Mario has experience with numerous CM technologies and processes and has implemented CM on over 150 applications/products, which include establishing global SCM infrastructures. He is a certified ScrumMaster in the agile arena having implemented Scrum and XP practices. Mario is the author of Adapting Configuration Management for Agile Teams  and Software Configuration Management Implementation Roadmap. Also consider visiting Mario’s blog on CM for Agile and Agile adoption at http://cmforagile.blogspot.com/.

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