Standardized QCI characteristics

1. Analysis of word meaning

QCI：QoS Class Identifier
GBR bearer: An IP-CAN bearer with reserved (guaranteed) bitrate resources.
non-GBR bearer: An IP-CAN bearer with no reserved (guaranteed) bitrate resources.

2. Delay Statistics

Tolerance level of delay of various services ：

remarks ：

3. summary ：

1. The delay requirement of real-time competitive games is 50ms
2. The delay requirement of real-time interactive games is 100ms
3. The delay requirement of real-time interactive voice class is 100ms
4. The delay requirement of real-time interactive video class is 150ms
5. The delay requirement of most non real time Internet applications is 300ms

The above standards are excellent standards , If the delay increases 50ms, It's the pass line .

4. Refer to the website ：

[1] Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS)
[2] Application deployment architecture from the perspective of cloud network latency