Section 2 in Regulation on Quality of Service of Dial-Up and Leased Line Internet Access Service, 2001
2. Definitions.
- In this Regulation, unless the context otherwise requires :(i)'Act' means the Telecom Regulatory Authority of India Act, 1997, as amended by, TRAI (Amendment) Act, 2000 and as amended from time to time.(ii)'Authority' means the Telecom Regulatory Authority of India.(iii)'Grade Of Service (GOS)' means the ratio of blocked calls and calls offered on a circuit group link connecting two nodes in a pubic switched network. It is measured during Time Consistent Busy Hour (TCBH). Busy Hour is defined as the 60 minutes period during the day when the traffic is the highest for a given number of days. For this purpose, ITU recommends taking traffic (Erlangs) measurements at 15 minutes interval by suitable man-machine commands, to establish the Busy Hour. For establishing the time consistency of the Busy Hour, the measurements are to be taken over a period of 90 days.(iv)'Regulation' means the Regulation on Quality of Service of Dial-up and Leased Line Internet Access Service notified by the Authority under the 'Act'.(v)'Service Provider' in the context of this regulation means a legal entity holding an ISP licence.(vi)'Quality of Service (QOS)' means the indicator of performance of a network and of the degree to which the network conforms to the stipulated norms. The subscriber's perception of the Quality of Service is determined by a number of performance parameters, some of which have been specified in this regulation.
