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Concurrency and distributed systems
(Back from an unplanned week of ‘working-holidays’ in Greece… had an excellent time) It’s not news to Computing Science folks that in many cases concurrency and distributed computing face the same problems. Theoreticians may even say that the two domains do not differ from a modelling point of view and for most problems they would be…
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REST in Axis 2.0???
About Axis 2.0 again (via Mark Baker’s blog). This page describes how “RESTful Web Services” are supported by Axis 2.0. “REST is providing access to the resources through the two methods GET and POST. The REST Web services are reduced subset of the usual Web Service stack, and the Axis2 REST implementation assumes following properties.” I…
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WSO2 – Sanjiva’s new company
Sanjiva has a new company: WSO2. From the company’s frontpage: “We are creating an uncompromising middleware platform for Web services which treats Web services as first class components instead of as a facade to some existing platform like J2EE. Apache Axis2 is the first SOAP stack which espouses this design in its guts: we focus…
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Message-orientation in Axis 2.0
The “Web Services Messaging with Apache Axis2: Concepts and Techniques” article is a good introductory read for those who are still trying to understand the difference between explicit (SOAP-based) messaging and Remote Procedure Calls (RPCs)! I don’t think I need to write anything more in relation to the discussion on whether SOAP and Web Services…
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Dynasoar and Virtual Machines (part 1 – The concept and the architecture)
Here’s something fun I’ve been working on lately (relates to something I blogged about back in November 2004). Motivation Dynasoar is a research effort within NEReSC to define a service-oriented architecture for the dynamic deployment and hosting of services on the Internet (or Grid for those of you who prefer “in” buzzwords 🙂 It clearly…
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Nerding out in the open
Sam Aaron (one of our PhD students here in Newcastle) is having some fun with the photos from my web site and his new toy application. Very cool 🙂
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Microsoft Architecture Journal: “Service-oriented, Distributed, High-Performance Computing”
Back from holidays today (the reason I haven’t been bloging) and started the task of cleaning up my mailbox. As I was going through my messages I saw that issue 5 of the Microsoft Architecture Journal has been published. This issue includes an article that Jim and I wrote months ago about “Service-oriented, Distributed, High-Performance…
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On the road again!
Since yesterday I am on the road again. I spent most of my day at Manchester having some discussions with Dean Kuo (of Rules SSDL Protocol Framework fame) and catching up with Mark McKeown and Stephen Pickles. It was nice to see these guys again. I am now at Manchester airport towards the end of…
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Web Services are RPC?
Continuing the exchange of comments with Michi Henning here are some more thoughts. Michi argues that “WS is *RPC*, by definition” . This is a definition that I haven’t come across. I personally see a big difference between a request-response message exchange pattern and a Remote Procedure Call. The SOAP processing model and the focus…
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e-Science job vacancies in Newcastle
If you are into e-Science, there are many opportunities at Newcastle. Check the research and academic vacancies pages for openings in many related disciplines.