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Differences Between Frame Mode and Advanced Scheduler in SMARTBITS

Publication Date:  2012-07-25 Views:  33 Downloads:  0
Issue Description
The SmartBits is mainly used in data communication tests. Besides, it is also widely used in the data board deployment and test of optical networks.
In the SmartBits, if two or more streams are to be added to a port, the throughput must be allocated for each stream. The SmartBits analyzer supports two allocation modes (later versions of R6): the Frame Mode2 and Advanced Scheduler.
The Frame Mode offers precise allocation for streams with longer bytes, but it is not very effective in the throughput allocation for streams with short bytes. It can be assumed that data is transmitted in the allocated proportion in a long time.
The Advanced Scheduler is a better dividing mode. This mode allocates throughput in interleaving mode. Hence, this mode allocates data more reasonably. This mode is not supported in the early versions of the SmartBits. 
 
Alarm Information
Null
Handling Process

The performance of the EGR2 chip is poor in processing 64�bytes frames. When the test is carried in Frame Mode, packet loss may occur. In this case, the Advanced Scheduler mode should be used for stream allocation. 

Root Cause
Null
Suggestions
Engineers are recommended to allocate throughput for streams in Advanced Scheduler mode in tests. 

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