System and Method for Standardizing Clocks in a Heterogeneous Networked Environment
AssigneeComputer Associates Think, Inc.
InventorBradford C. Davis
Life of this patent
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Abstract
A system and method for standardizing clocks in the heterogeneous networked environment is provided. In one aspect the duration of time that a message takes to travel from a source machine to a destination machine is decomposed into actual duration time T for transmission,—and time difference. C between the source machine and the destination machine. Two T's for each leg of a round trip transmission is determined and t˜ using the two T's is estimated. A measure of each leg of round trip transmission is determined using t˜ and C. An offset for a machine within a known delta is established.
Claims4
A method for standardizing clocks in the heterogeneous networked environment, comprising:
- decomposing the duration of time that a message takes to travel from a source machine to a destination machine into actual duration time T for transmission, and time difference C between the source machine and the destination machine;
- determining two T's for each leg of a round trip transmission;
- estimating t˜ using the two T's;
- determining a measure of each leg of round trip transmission using t˜ and C;
- and
- establishing an offset for a machine within a known delta.
Dependencies are inferred from the claim text.