Service-oriented architecture concepts have been around for a while and all of the benefits and promises it offers look good on paper. The complexity of implementing and deploying SOA in large enterprises is, however, often overlooked. The problems get further exacerbated when trying to migrate from existing monolithic Web applications and its infrastructure to a SOA model, rather than starting fresh from the ground up. In this session, after a brief recap of the SOA model and its benefits, some of the real challenges in moving to the SOA model in a large enterprise are discussed. These challenges are technical as well as operational. The session will then cover how we are addressing some of these challenges in building the SOA platform at eBay, without getting into eBay specifics. The session concludes with some key takeaway points to keep in mind when considering a SOA model.

Sastry Malladi is a technology evangelist with over 18 years of experience in architecting and building scalable distributed computing systems in the areas of application servers, Java/J2EE/Web services, SOA and grid computing. He is currently a principal architect at eBay, driving the SOA architecture for the eBay e-commerce platform. Prior to joining eBay, Sastry was co-founder and CTO of OpenGridSolutions, a founding member and architect at SpikeSource, and architect at Oracle. He holds a master's degree from I.I.T, Kharagpur, India, and has contributed to and represented in many standards at OMG, JCP, GGF and OASIS.

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Third International "Virtualization Conference & Expo" Call for Papers Now Open
Virtualization, the hottest subject in all IT right now, will be center stage in New York City - 23-24 June, 2008, at the next conference and expo in the SYS-CON Events' third international Virtualization Conference & Expo.

Key opinion-formers in the field of infrastructure and pioneers of virtualization technologies of all types have already begun submitting speaking proposals to Virtualization Conference & Expo 2008 East, being held in New York City, 23-24 June, 2008. Topics covered will range from Application Virtualization, Desktop Virtualization, Network Virtualization, Server Virtualization, and Storage Virtualization, to Virtual Machine Automation, Physical to Virtual (P2V) Migration, Management Applications, Tools and Utilities, and Virtualization Scripts and Procedures.

Submissions on these and dozens of other topics have already begun streaming in. The Call for Papers is as always a 100% online process, found here.

IDC has stated that the virtualization services market alone is going to reach $11.7 billion by 2011 and in general this technology, which has been around for a good number of years, seems suddenly to be on everyone's mind.

In short, Virtualization is fast becoming a key requirement for every server in the data center, enabling increased workloads in server consolidation projects, efficient software development and testing, resource management for dynamic data centers, application re-hosting and compatibility, and high-availability partitions.

Help with that transformation: submit your speaking proposal today.

Topics will include:

• Server Virtualization
  
• Desktop Virtualization
  
• File Virtualization
  
• The Future of the Virtual Enterprise
  
• Hosted Virtualization
  
• Para-virtualization
  
• Virtualization Hardware Support
  
• Hardware-level Virtualization
  
• Storage Virtualization
  
• Virtualization for Server Consolidation and Containment
  
• Windows Virtualization
  
• Utility Computing
  
• State of the Virtualization Services Market