This object defines the interval window over which values of certain
MIB objects of the corresponding service are calculated. Each service
entry defined in cmmcaServiceTable has corresponding entries in a
related table in cmmcaServiceInfo that are identified by the same index
and hence have sparse dependent relationship.
For eg: if cmmcaServiceIntPeriod is 30 min for a service of type
Reporting Subsystem(rs), then cmmcaRsIntResourceEventDetailRecords
interval object in cmmcaRsTable for this service, reports the number of
ResourceEventDetailRecords written into the database in the last 30
min interval.