July 30, 2008 6:13 PM
Posted by: Anton
Enterprise architectureOnce the future state vision for the organisation's IT and Business (with suitable principles) is in place, it becomes necessary for day-by-day design guidance to be given to development projects. This is required on 2 levels — guidelines to be employed by the business process designers, and in...
July 22, 2008 4:52 PM
Posted by: Anton
Enterprise architectureWhat is Application Architecture all about? Firstly, the business drivers of an application should be identified and architectural needs of the application should be derived from that. Requirements for an application should be completely and unambiguously specified. For example, requirements like...
July 22, 2008 4:43 PM
Posted by: Anton
Enterprise architectureWhat is the difference between a Solution and an Application? For me there is no difference, as they both exist as a result of some business requirement, they both might consist of programming code (albeit bought or custom written), they very likely need data to be kept somewhere and they both need...
July 20, 2008 7:31 PM
Posted by: Anton
Enterprise architectureLet's briefly examine the role of the "Chief Enterprise Architect". This role, as expected, is a leadership role where the EA programme of developing, maintaining, governing and evolving the architecture, is managed by the Chief EA. The person in this role will benefit from deep experience in...
July 20, 2008 7:30 PM
Posted by: Anton
Enterprise architectureHow are EA teams structured? Many smaller organisations do not even bother with teams, yet have good EA practices in place. In my experience it does help in a large organisation to have some team structure and processes in place to deal with the multitude of interactions with the IT and Business...
July 14, 2008 6:27 PM
Posted by: Anton
Enterprise architectureTalking about roles within EA, there are opnions about the "personality types" suited to the disciplines of EA. Characteristics such as extroversion, introversion, "sensing", intuition, thinking, feeling, judging, perceiving, directive, analytical, conceptual and behavioural have been used. I...
July 14, 2008 6:07 PM
Posted by: Anton
Enterprise architectureWithin an Enterprise Architecture there are, as alluded to earlier, various roles such as that of the Enterprise Architect. Where the EA has an Information point of departure, IT analysts, business analysts and data analysts might focus on business processes and information requirements, creating...
July 10, 2008 6:12 PM
Posted by: Anton
Enterprise architectureBefore exploring the Information domain of EA, here's an interesting thought: What about approaching an EA framework from an Information point of view? One could argue that EA is all about Information, and Paul Sturlis put forward the EIA Framework ("breakdown") as illustrated below. The purely...
July 8, 2008 7:31 PM
Posted by: Anton
Enterprise architectureAs mentioned before, EA starts with the Business and typically EA work should start at the Business level of an EA Framework. Although generally IT people are less concerned with this layer (sadly!!), it is worthwhile making some statements about Business Architecture before we continue with other...
