Glossary of Common Terms and Acronyms

Numbers

1:1 redundancy

A high-availability scheme in which each device is backed up by a redundant device. In a system with 1:1 redundancy for line cards, each line card would have its own backup line card.

1:N redundancy

A high-availability scheme which N primary devices are backed up by a redundant device. In a system with 1:N redundancy for line cards, N line cards would have one backup line card.