Logical Clock Vs Physical Clock at Aida Arnold blog

Logical Clock Vs Physical Clock. In either case, the receiver's logical clock is incremented and the message is said to have been received at the new (incremented) clock. A logical clock is quite different from a physical clock in that there is no central notion of time, and the clock is just a counter that increments based on events in the system. Since clocks cannot be synchronized perfectly across a distributed system, logical time can be used to provide an ordering among the events. So no two clocks would ever be exactly the same in terms of measuring time. There could be some milliseconds or even seconds of difference between two clocks. However the goal of physical clock synchronization is to overcome this challenge. Physical clock synchronization in distributed systems each node operates with its clock, which can lead to time differences. Physical clocks are not reliable in ordering events and transactions at an unprecedented scale as clocks across nodes.

Distributed Systems CS ppt download
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However the goal of physical clock synchronization is to overcome this challenge. Physical clocks are not reliable in ordering events and transactions at an unprecedented scale as clocks across nodes. A logical clock is quite different from a physical clock in that there is no central notion of time, and the clock is just a counter that increments based on events in the system. In either case, the receiver's logical clock is incremented and the message is said to have been received at the new (incremented) clock. Physical clock synchronization in distributed systems each node operates with its clock, which can lead to time differences. Since clocks cannot be synchronized perfectly across a distributed system, logical time can be used to provide an ordering among the events. There could be some milliseconds or even seconds of difference between two clocks. So no two clocks would ever be exactly the same in terms of measuring time.

Distributed Systems CS ppt download

Logical Clock Vs Physical Clock There could be some milliseconds or even seconds of difference between two clocks. So no two clocks would ever be exactly the same in terms of measuring time. Physical clock synchronization in distributed systems each node operates with its clock, which can lead to time differences. However the goal of physical clock synchronization is to overcome this challenge. In either case, the receiver's logical clock is incremented and the message is said to have been received at the new (incremented) clock. Physical clocks are not reliable in ordering events and transactions at an unprecedented scale as clocks across nodes. There could be some milliseconds or even seconds of difference between two clocks. Since clocks cannot be synchronized perfectly across a distributed system, logical time can be used to provide an ordering among the events. A logical clock is quite different from a physical clock in that there is no central notion of time, and the clock is just a counter that increments based on events in the system.

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