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Such circuit can generate local clock with the frequency and phase same as the individual received optical packet in a short locking time, for example within 40 ns. [1] Such generated local clock can in turn perform correct data decision. Above all, the clock and data recovery can be performed correctly after a short locking time.
Clock recovery addresses this problem by embedding clock information into the data stream, allowing the transmitter's clock timing to be determined. This normally takes the form of short signals inserted into the data that can be easily seen and then used in a phase-locked loop or similar adjustable oscillator to produce a local clock signal ...
Graphical schema of the format. IODEF is an object-oriented structured format, composed of 47 classes in the first version. The IODEF and IDMEF formats having a lot in common: the field structure is similar to the IDMEF one and it is an extensible format: in addition to the usual Additional Data Class, which allow adding any information relevant to the IODEF message, most enumerations are ...
Clock synchronization is a topic in computer science and engineering that aims to coordinate otherwise independent clocks.Even when initially set accurately, real clocks will differ after some amount of time due to clock drift, caused by clocks counting time at slightly different rates.
The Recovery Time Objective (RTO) [9] [10] is the targeted duration of time and a service level within which a business process must be restored after a disruption in order to avoid a break in business continuity.
Point-in-time recovery (PITR) in the context of computers involves systems, often databases, whereby an administrator can restore or recover a set of data or a particular setting from a time in the past. [1] [2] [3] Note for example Windows's capability to restore operating-system settings from a past date (for instance, before data corruption ...
Real-time recovery focuses on the most appropriate technology for restores, thus reducing the Recovery Time Objective (RTO) to minutes, Recovery Point Objectives (RPO) to within 15 minutes ago, and minimizing Test Recovery Objectives (TRO), which is the ability to test and validate that backups have occurred correctly without impacting ...
Memory dependence prediction is a technique, employed by high-performance out-of-order execution microprocessors that execute memory access operations (loads and stores) out of program order, to predict true dependencies between loads and stores at instruction execution time.