101 · Question #361
Using WOM for vMotion transfers across the WAN prevents VMware users from experiencing interruptions.
The correct answer is A. True. WAN Optimization Module (WOM) optimizes vMotion traffic over WAN links, ensuring live VM migrations complete without user-visible interruptions.
Question
Using WOM for vMotion transfers across the WAN prevents VMware users from experiencing interruptions.
Options
- ATrue
- BFalse
How the community answered
(43 responses)- A93% (40)
- B7% (3)
Why each option
WAN Optimization Module (WOM) optimizes vMotion traffic over WAN links, ensuring live VM migrations complete without user-visible interruptions.
WOM compresses and deduplicates vMotion traffic traversing WAN links, reducing bandwidth consumption and latency. This optimization ensures that the memory transfer phase of a vMotion operation completes within the required convergence window, preventing the guest OS from stalling or the migration from failing. Without WOM, high-latency or low-bandwidth WAN links would cause vMotion timeouts and VM downtime.
False is incorrect because WOM specifically addresses the WAN bandwidth and latency constraints that would otherwise cause vMotion transfers to exceed their convergence threshold and interrupt the hosted workloads.
Concept tested: WOM optimization of cross-WAN vMotion traffic
Source: https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.vcenterhost.doc/GUID-031AFF6A-7094-4E72-9A52-BB805C0B38C4.html
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