Lightweigh Enterprise Architectures docx

[...]... Architecture Wireless Enterprise Application Architecture Enterprise Security Architecture Architectures for Enterprise Integration Enterprise IT Architecture Oracle Enterprise DBA Architecture Enterprise Reference Architecture While all these are viable titles and are some great books, it does lend to confusion about how one defines enterprise architecture” within an organization Enterprise architecture... Etc The difference these architectures place is within the scope of their domains versus understanding architecture from an enterprise perspective To make matters worse, doing a search at a popular online bookstore1 will reveal the following titles with architecture and enterprise in the title: Ⅲ Ⅲ Ⅲ Ⅲ Ⅲ Ⅲ Ⅲ Ⅲ Ⅲ Enterprise Information Architecture Enterprise System Architectures Enterprise Application...x Ⅲ Lightweight Enterprise Architectures Technology Is Cool Symptoms Typical Scenario Causes Enterprise Impact Solutions Circling Vultures Symptoms Typical Scenario Causes Enterprise Impact Solutions Seagull Management Symptoms Typical Scenario Causes Enterprise Impact Solutions Conclusion... 8 Ⅲ Lightweight Enterprise Architectures environment with many constraints and functional needs These organizations need dedicated resources to plan and govern the evolution of the system landscape — that practice is enterprise architecture From an enterprise architecture perspective, systems are the collection of resources and procedures to accomplish a set of specific functions Resources in an enterprise. .. resource planning) solutions providing the majority of an enterprise s needs have been replaced by diverse systems accumulated through merger and acquisition (M&A) activities, functionally divergent departments, geographic xv xvi Ⅲ Lightweight Enterprise Architectures separation, and other factors The bottom line is that the system landscapes in enterprises are becoming more complex and there is a need... terms or diagrams, but in developing a clear systematic xviii Ⅲ Lightweight Enterprise Architectures approach that uses the right balance of tools and techniques to help an enterprise develop its architecture successfully What This Book Contains Section 1: State of Architecture The first section, entitled “State of Architecture,” focuses on how enterprises currently deploy architecture and how architecture... holistic business perspective It is the goal of enterprise architecture 6 Ⅲ Lightweight Enterprise Architectures to deploy all the components of systems together as a whole, versus optimizing a particular aspect of technology That is, it is more important to deliver a better total solution even through the sacrifice of one or more parts of the system Specific architectures (e.g., application architecture,... ends with the guidance of a pilot project Chapter 11: Dysfunctional Enterprise Architecture This chapter illustrates some key symptoms observed in enterprises where architecture has been implemented improperly, including Ivory Tower, Tribal Lore, Diagrams are for Sissies, etc This chapter contains descriptions xx Ⅲ Lightweight Enterprise Architectures of these common symptoms and includes key causes and... architecture, etc.) are concerned with optimal design and evolution of their particular domain These specific architectures in LEA play a support role and are critical to the successful execution of enterprise architecture but do not drive the enterprise architecture In addition, the confusion over enterprise architecture stems from the fact that this is relatively a new discipline, first identified in the... Rechtin, and others Even through their efforts, the benefit for organizations to pursue activities around enterprise architecture remains unclear; early enterprise architectures did not face the complex technical environments of today’s organizations Even today there are limited resources on the subject of enterprise architecture (as identified here), and it is complicated by the fact that it is not a readily .