Interactive publication
Back to the catalogueClocksCase 10 of 10
VM snapshot rollback
Restoring a virtual machine from a snapshot moves its clock backwards, so a later event can carry an earlier timestamp than an earlier one.
Class
Case to account for
Affects
1 conversion
01
Detection
Monotonically issued events show a backwards timestamp step.
02
Mitigation
01
Detect non-monotonic lifecycle steps; prefer a server-side receive time or a logical clock for ordering.
03
Affected conversions
Timestamp + zonehour-of-week slot
OPEN