What is Enterprise Architecture ?

Is Enterprise Architecture the new buzz ? Everybody is talking about it as a way of providing response to most IT problems. But, what is Enterprise Architecture ? An overview of IT processes show how they are coupled with  customer process. The first point of coupling occurs when a solution Read more

EA models and software models

Before EA come out, software architecture already used modelling to manage software matching of user requirements. Software models break down requirements in functions and associate them with  components. Then, one requirement may be in relation with many components as many requirements may be associated with one component. Read more

writely and may other friends

Google has just reopened the website of writely. It complements Google spreadsheet already in beta test.

We may legitimately wonder about a soon Web 2.0. presentation tool availability. If any, I am sure that Google will be keen to break its wallet. 

Anyway, what will be the Net surfers feelings regarding privacy if their personal data (mail, budget,…) are kept by a third party ? I won’t argue further on this, since we may pass lunchtime.

But, within a company, this drawback disappearing, more appealling pros remain.

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First, architecture is a matter of views

When you consider the project to organize a simple room, often a single point of view is enough to decide which organization to settle and how to organize. Then, anybody is able to tackle the problem.

When you consider the project to design a full flat, you need to collect and concile the points of views of all people at stake : you, next occupant if you sell it, others sharing the same building,  housekeeper, people in charge of maintenance, and so on…

It won’t be only a matter of connecting all requirements, which is not often simple, you ‘ll also need to prove that your design give a response to each of them.

This is the Enterprise Architecture deal.

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Rendre service aux utilisateurs ou aux directions des métiers ?

La fonction de DSI est difficile. Celui-ci doit gérer deux relations paradoxales :

  • instaurer une relation positive avec les usagers de l’informatique, puisque ceux-ci attendent de sa part la fourniture d’outils améliorant leur productivité,
  • accompagner les directions utilisatrices dans la gestion du changement qui aboutit parfois à placer les usagers devant le défi de l’adaptation

Comment y arriver ?

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Jalons théoriques sur les systèmes d’information

Quelques jalons de l’histoire de l’informatique

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