Which of the following is NOT an architecture discipline according to TOGAF?

In the context of TOGAF, the framework defines specific architecture disciplines that are essential for developing an enterprise architecture. These include Business Architecture, Technology Architecture, and Application Architecture, each serving a unique purpose within the architecture development process.

Business Architecture focuses on the business strategy, governance, organization, and key business processes. It provides a framework for analyzing and aligning business goals with organizational capabilities.

Technology Architecture covers the software, hardware, and network infrastructure components of an enterprise. This discipline outlines how technology supports the organization's processes and applications.

Application Architecture addresses the individual applications and their interactions within the enterprise. It defines the structure and relationships among applications and how they support business processes.

Network Architecture, while critical in many IT frameworks and discussions, is not formally recognized as a standalone architecture discipline within TOGAF. Instead, it may be considered a subset of the broader Technology Architecture, which encompasses all technology-related aspects, including network considerations.

Therefore, identifying Network Architecture as not being a recognized discipline according to TOGAF aligns with the official definitions and components outlined in the framework.