A colleague is working on a dual-active disaster recovery plan. By testing the arbitration server to the storage system at both ends, the bandwidth is 4Mbit/s, and the delay is 4Mbit/s. RTT=40ms, and packet loss rate=1%, then this scheme:

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Sivakumar Balasundram · Accepted Answer

Not feasible, because the packet loss rate of active-active disaster recovery must be =0.1%.

Sivakumar Balasundram · Answer

Not feasible, because the active-active disaster tolerance bandwidth must not be less than 10Mbit/s.

Sivakumar Balasundram · Answer

Feasible, because it meets the conditions of the active-active disaster recovery plan.

Sivakumar Balasundram · Answer

Not feasible, because the delay of active-active disaster recovery RTT=120ms

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