Key differences between SSP and Shared Services
|SSP in 2007||Shared Services in 2010|
|MOSS only||Available in WSS|
|Different services shared the same db||Services can have its own db|
|Internal to MOSS||Public APIs to create own Shared Services|
|Only one application of service||Multiple instances of service allowed|
|Restricted to the farm||Cross farm support|
SharePoint 2010 provides the following Shared Services ( not an exhaustive list )
Access Services : Allows viewing, editing, and interacting with Access databases in a browser.
Business Connectivity Service : Provides read/write access to external data from line-of-business (LOB) systems, Web services, databases, and other external systems. Also available in SharePoint Foundation.
Managed Metadata Service : Provides access to managed taxonomy hierarchies, keywords, social tags and Content Type publishing across site collections.
Secure Store Service : Provides capability to store data (e.g. credential set) securely and associate it to a specific identity or group of identities.
State Service : Provides temporary storage of user session data for Office SharePoint Server components.
Usage and Health data collection : This service collects farm wide usage and health data and provides the ability to view various usage and health reports.
Visio Graphics Service : Enables viewing and refreshing of published Visio diagrams in a web browser.
Web Analytics Service Application : Enable rich insights into web usage patterns by processing and analyzing web analytics data .
Word Conversion Service Application : Provides a framework for performing automated document conversions