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William Martinez Pomares

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Top Stories by William Martinez Pomares

Back in the year 2007, end of May, there was a post on The Server Side by Albert Mavashev that highlighted the growing complexity of SOA, why architects should take that into account, and stating that a balanced, incremental adoption of SOA was one good idea. Problem was his starting paragraph, where he says: SOA (Service-Oriented Architecture) seems to be the buzzword everywhere!!! SOA will solve all the problems, everyone wants SOA -- or so I hear. Anyway, I remember similar claims when CORBA was coming to town. It was supposed to change the way IT does business. To me SOA is XML/SOAP based CORBA with evolving standards around it... I might be wrong. That was a very long post, in terms of comments. The CORBA comparison acted as a flame bite, and we ended with 169 comments or so, of which 20 were mine!. At that time I didn't even have a blog, so this post contained ... (more)

Why Web Services Failed at SOA (and Why REST May Fail Too!)

First, let's review what is the concept behind services, with particular mention of the web services themselves. A service is a business functionality exposed by a simple interface. Note that it is not an object, nor a method, nor a module, not a procedure. It is pure business functionality. Services are consumed, not called, nor executed nor invoked. We define the service consumption as the interaction between agents, a client and a provider, which will communicate using a messaging system, where the data unit is a document. Consumption may be local or remote (meaning a service ma... (more)


Paul kindly pointed to a blog entry about WADL use in REST, (WADL definition is found here). The Blog entry was interesting to read. I want to quickly explain that WADL is meant to describe the possible interactions with a Web Application. Thus, it has methods, but those are HTTP commads, and it also describes the query variables (like the fields in a form) that the method needs to send to the web application. Finally, it describes the expected response. Now, in the blog I see some misconceptions. First, it relates SOAP and WSDL to XML-RPC. That may seem true due to actual use of... (more)

Longer Abstract for TSSJS presentations

DSL and Testing: using JSR in the Polyglot Architecture. Long ago, we started working with a Client, PushToTest, that has a tool for testing. The main idea of this tool was the ability to repurpose unit tests into functional, load and Monitor tests. It has also a proxy to record all transactions against a web page, so the transactions could be replayed later. At some stage, the intermediate language chosen to script tests and record the transactions was Jython. Over the years, it was learned that not all people knew Jython, nor Python nor Java. So, other scripts were added, adding ... (more)

Owning the Architecture

One of the main principles in Software architecture is the fact that there is always an architecture. That is, there is no system made without an architecture in place. Good or bad, the architecture is, conceptually, the system structure, the organization of components, their relations and the relations they have with the system’s outer world. So, you cannot have a system without it. The problem, discussions and disagreements come when we address the architecture actual handling. There we may find the position of letting the architecture “emerge” from the code written. Architect’... (more)