Segment protection

From HandWiki

Segment protection is a type of backup technique that can be used in most networks. It can be implemented as a dedicated backup or as a shared backup protection. Overlapping segments and non-overlapping segments are allowed; each providing different advantages.

Technique

Terms

Working path
Segment alpha
Segment beta
Overlapped link
Overlapping protection
Non-overlapping protection
Shared protection
  1. Working path - is the chosen route from source to destination.
  2. Segment protection path - is the working path where the broken segment is using the protected path.
  3. Primary segment - is a segment of the working path.
  4. Protected segment - is the backup path of one segment.
  5. End-to-end protection - is the protection of one segment where is source and destination are also the end points of the backup protection.