Although its own DESCRIPTION is empty, the object's name (DMM = Delay Measurement Message, per Y.1731) and INTEGER syntax indicate it configures the transmission interval for delay-measurement probes used to measure round-trip or one-way delay for this service. An admin would use this to control how frequently delay samples are collected, since more frequent DMM probing gives finer-grained visibility into delay and jitter trends at the cost of extra control-plane traffic on the service. For example, a low-latency financial trading circuit might configure a short cienaCesCfmServiceDMMInterval to closely track delay variation throughout the trading day, while a bulk-data service might use a much longer interval to minimize overhead.