Service Governance: The SOA-ITIL Connection
Ovum, November 2008, Pages: 16
Proper implementation of a service-oriented architecture (SOA) involves a robust governance lifecycle that extends to run-time. At run-time, management of SOA involves monitoring the availability and performance of services and compliance with service contracts and associated service-level agreements (SLAs). It also includes managing security and other policies that mediate and control the interaction of services at run-time. Significantly, the responsibilities of managing SOA at run-time have critical dependencies on underlying infrastructure, especially when service levels are threatened. Yet there is a disconnect, as governance of SOA is typically the domain of the software development organization, while responsibility for managing underlying IT infrastructure falls to the data center or operations group.
So what happens when SLA compliance is in jeopardy? While some issues may be confined to software, other cases - such as adding new classes of users - could overtax IT infrastructure. At run-time, how is the resolution of such issues coordinated? Who is ultimately accountable for SOA performance? The solution lies with a shared responsibility among business stakeholders, software development, and IT operations groups. The synergies between SOA governance, run-time management, and IT Infrastructure Library (ITIL) policies can support effective, shared responsibility for the SOA run-time.
Table of contents
Executive summary
The importance of run-time management
The role of SOA management and run-time governance
The role of ITSM
The relationship of ITSM and ITIL
Comparisons with application management
Who owns SOA run-time SLAs?
Siloed, yet overlapping, responsibilities
Siloed views of run-time
Bridging the gap
Process synergies between SOA governance and ITIL
The SOA governance lifecycle
The ITIL IT service lifecycle
ITIL version 3 is not required to support the SOA lifecycle
The SOA governance - ITIL synergy
Automation helps couple SOA run-time governance and ITIL
Table of figures
Figure 1 Simplified SOA lifecycle
Figure 2 ITIL version 3
Table 1 SOA governance
Table 2 ITIL version 3 lifecycles
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