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What is the difference between 1+1 and 1:1 protection switching?()

发布日期:2020-04-13

What is the difference between 1+1 and 1:1 protect...
A

1+1 is based on APS, while 1:1 is based on IPS.

B

1:1 is used in SNCP switching, while 1+1 is used in MS-SPRing switching.

C

1+1 sends signals on Working and Protect paths, while 1:1 sends signals only on Working path.

D

1+1 sends signals on Working path ONLY, while 1:1 sends signals on both Working and Protect paths.

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