ICT Strategy From Systems to Services Version 1.0 Version 1.0

Strategic Direction The HAs strategy is to move away from purchasing islands of technology to the procurement of modular, loosely-coupled, managed services.

Technology model TECHNOLOGY Business model BUSINESS Historical system-based architecture Business siloed by ICT Solutions impose constraints Focus on document exchange SNMP Oracle UNIX CORBA Applications NTCC Projects RCC

BUSINESS TECHNOLOGY Soft boundaries (process & services) Processes Services Service Model Business Model Technology Model Service-Oriented Architecture (SOA) Requirements and solutions closely aligned Focus on service Focus on contract

The Service Model Aligning the Business and Technology Perspectives Business Model Service Model Technology Model

Relationship to Enterprise Architecture

Relationship to ITIL Service Management

Service/Contract Model

Programme/Contract Mappings NRTS ICT+ New (OSS) NEW - IEP ICT+ New (OSS) NTCC/ TI2011+ TCP/MM IAMS New - IEP ICT+ (BI)

Implications for Legacy Systems Existing Systems become embedded into new Business Services Projects must specify their requirements in terms of Business Services in future procurements Need to focus on interfaces and their contracts including dependencies on other HA Services Bidders determine the most cost-effective solution Legacy Integration (Encapsulation) becomes the responsibility of the Service Providers (SPs) Its therefore up to SPs whether to re-use HA Legacy or replace with COTS