Differences between PW dual-homing protection and tunnel linear protection of PTN device lie in that ()

A.PW dual-homing protection is usually used for protection between networks; tunnel protection is usually used to protect the inside of PTN network; B.Neither PW dual-homing nor tunnel 1:1 switching needs APS negotiation. C.PW dual-homing switching has one more trigger condition -- CSF than tunnel protection switching. D.PW dual-homing has less OAM detection points than tunnel protection, which saves device resources. 此题为多项选择题。

时间:2023-09-09 16:01:19

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