Chapter 19. High Availability Networking

The following topics are covered in this chapter:

  • Measuring Network Availability

  • Internetwork Reliability Options

The term high availability can be nebulous to define because the term itself is considered subjective; what one person or network provider considers to be “high availability” does not necessarily mean the same for another person or network service provider.

High availability is a subjective interpretation of two network availability statistics:

  • Mean-Time-to-Repair (MTTR)—. Average time required to recover/restore from a network outage or repair a failed component.

  • Mean-Time-Between Failure (MTBF)—. Average time a network or component works without failure.

This chapter discusses measuring network availability ...

Get Network Sales and Services Handbook now with O’Reilly online learning.

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