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How Can the Performance Report Traffic Be Estimated

Publication Date:  2012-07-25 Views:  37 Downloads:  0
Issue Description
In routine maintenance, automatic performance monitoring and report is enabled sometimes. Does the real-time performance report traffic affect the network monitoring? 

 
Alarm Information
Null
Handling Process
Although boards support different performance events and different quantities of optical channels, an NE can count the performance report traffic by using the following commands:
:per-get-monevent:0,0,0,0,perall,15m
:per-get-autorep:0,0,0,0,perall,15m;
The total number of records multiplied by 23 is equal to the maximum 15-minute performance report traffic in bytes.
Assume that 1607 records are reported in total.
Then, the maximum 15-minute performance report traffic = 1607 x 23 = 36961. That is, the maximum performance report traffic is 36 KB. 

 
Root Cause
1. Subject to many factors, the real-time performance report traffic is hard to measure. The following method can only estimate the maximum traffic.
2. The performance report traffic of an NE varies with the number of boards on the NE and the number of optical channels on the boards.
Each performance event contains 23 bytes at most, including 17 bytes of contents and 6 bytes of eight CRMs. Therefore, the maximum performance report traffic in bytes is equal to the number of performance events multiplied by 23. 

 
Suggestions
Each NE makes an automatic performance report at a different time. Therefore, the performance reports scarcely affect the DCCs. Regardless of that, enable automatic performance monitoring and report selectively if you require the function. 

END