Chapter 23. Network Architecture

This chapter is about the design of office networks (wired and wireless), datacenter networks, and the wide area networks (WANs) that connect them. The next chapter focuses on operating these networks.

A site’s network is the foundation of its infrastructure. A poorly built network affects all other components of the system. A network cannot be considered in isolation. Decisions made as part of the network design and implementation process influence how infrastructure services are implemented. Therefore, the people who are responsible for designing those services should be consulted as part of the network design process.

23.1 Physical Versus Logical

A network can be depicted in two different ways: as the physical ...

Get The Practice of System and Network Administration: Volume 1: DevOps and other Best Practices for Enterprise IT, 3rd Edition now with the O’Reilly learning platform.

O’Reilly members experience live online training, plus books, videos, and digital content from nearly 200 publishers.