Which method is NOT a key aspect of the Architecture Development Cycle in TOGAF?

Service Level Management is not considered a key aspect of the Architecture Development Cycle in TOGAF. This cycle is primarily focused on the development, implementation, and management of enterprise architectures to ensure alignment with business goals and improve efficiency.

The Architecture Development Cycle in TOGAF includes critical components such as Implementation Governance, which ensures that the architecture is implemented according to the specified guidelines and standards. Opportunities and Solutions is another significant aspect, as it identifies potential projects and initiatives that can be derived from the architecture. Architecture Change Management also plays a vital role, as it manages changes to the architecture in a controlled manner, ensuring that deviations from the architectural blueprint are documented, assessed, and approved.

Service Level Management, while important in the broader context of IT service management, is not a core element of the Architecture Development Cycle according to TOGAF. It generally pertains more to managing expectations and commitments regarding service delivery rather than the architectural frameworks and processes contained within TOGAF.

Understanding the distinctions among these elements is crucial for effectively utilizing TOGAF to create and manage enterprise architectures.