quality of service for leased lines
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QUALITY OF SERVICE FOR LEASED LINES
By, Deval Naik
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Regulation for Contention ratio by TRAI
Services Max Contention ratio for
Home Users
Max Contention Ratio for
Business Users
Dial Up 1:70 ---
Broadband 1:50 1:30
Leased Line --- 1:1 to 1:4
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Quality Parameters by set by TRAI
S/N Parameters Benchmark
1 Service Provisioning/ Activation Time 100% in =<15 working days
2 Fault repair/restoration time
2.1 %age of faults repaired by next working day >90%
2.2 %age of faults repaired within 3 working days =>99%
3 Billing Performance
3.1 %age of bills disputed <2%
3.2 %age of complaints resolved within 4 weeks 100% within 4 weeks
3.3 %age of cases to whom refund of deposits is made
within 60 days of closures
100% within 60 days
4 Response Time to the Customer for assistance
4.1 %age of calls answered by operator (Voice to voice)
within 60 sec
>60%
4.2 %age of calls answered by operator (Voice to voice)
within 90 sec
>80%
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Quality Parameters by set by TRAI(Contd.)
S/N Parameters Benchmark
5 Bandwidth utilization / throughout
5.1 %age International bandwidth utilization during peak hours <80%
5.2 Broadband Connection Speed available (download) from >80%
6 Service Availability / Uptime (for all users) in %age >98%
7 Packet loss ( for wired broadband access) in %age <1%
8 Network latency (for wired broadband access)
8.1 User reference point at POP/ISP Gateway node to IGSP/NIXI <120 ms
8.2 User reference point at ISP Gateway node to IGSP/NIXI <350 ms
8.3 User reference point at ISP Gateway node to international
nearest NAP port abroad (satellite)
<800 ms
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Thank You