Key Components of SOA

Services
REST

Process Integaration
Microformats

Extensibility
QEDWiki

Model Driven Architecture
Altova
Object Management Group (OMG)

Identity Management
Identity Management (IdM) is an integrated system of business processes, policies and technologies that enable organizations to facilitate and control their users' access to critical online applications and resources — while protecting confidential personal and business information from unauthorized users. (en.wikipedia.org/wiki/Identity_management)
Identity 2.0 - Presentation

Analytics
Data that helps companies track business trends. Analytics comprises all programming that analyzes data about an enterprise's business activities and customer information and presents it so that better and quicker business decisions can be made. (www.informatica.com/solutions/resource_center/glossary/default.htm)
Google Analytics - Product Tour

User Interface (Rich Internet Applications)
user interface and business logic are decoupled
AJAX: Getting Started

Output Management
Output management is the production, generation, control and distribution of electronic or physically available documents to all necessary receivers in the enterprise or outside of an enterprise
HP Output Management