JDL is a trading name of John Deacon. I have been providing IT and security services for over 25 years now

I specialize in training and consulting in object-oriented and distributed technologies with an aim of:

• successfully mastering and adopting object technology;
• mastering software engineering methods, notations and CASE tools such that they serve a project, rather than intrude upon or end up dominating a project;
• choosing an implementation language and infrastructure -- my usual list of candidates being Java, Smalltalk, C++ and CORBA;
• understanding and working with the strengths, weaknesses and dangers of the chosen technologies;
• solidly establishing the considerations, techniques and forces that drive object design;
• establishing the distribution strategy (including the possibility of no distribution at all);
• achieving location, language and operating system transparency with Enterprise Java (J2EE), CORBA or CORBA/DCOM bridging, as appropriate;
• establishing the strategy and tactics for achieving any required object persistence.

I have worked with all manner of systems. Much of my work, at the moment, is with the high-energy physics and astronomy community.

I am also one of the founders of Matrice (formerly Lattice Limited).

Information about matters other than training and mentoring, including books (Object-Oriented Analysis and Design), book support and resources (such as a UML guide), is over at www.johndeacon.net

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