QCI:QoS class identifier Qos 等级标识,用于描述UE与PCEF之间数据数据数据传输的特性:主要包含4个信息:
1、Resource Type (GBR or Non-GBR)--资源类型;
2、Priority;--资源优先级;
3、Packet Delay Budget--数据时延;
4、Packet Error Loss Rate.--数据丢包率
每种业务需要不同等级的QCI 传输质量进行保证:
QCI
Resource Type
Priority
Packet Delay Budget (NOTE 1)
Packet Error Loss
Rate (NOTE 2)
Example Services
1
(NOTE 3)
2
100 ms
10-2
Conversational Voice
2
(NOTE 3)
GBR
4
150 ms
10-3
Conversational Video (Live Streaming)
3
(NOTE 3)
3
50 ms
10-3
Real Time Gaming
4
(NOTE 3)
5
300 ms
10-6
Non-Conversational Video (Buffered Streaming)
5
(NOTE 3)
1
100 ms
10-6
IMS Signalling
6
(NOTE 4)
6
300 ms
10-6
Video (Buffered Streaming)
TCP-based (e.g., www, e-mail, chat, ftp, p2p file sharing, progressive video, etc.)
7
(NOTE 3)
Non-GBR
7
100 ms
10-3
Voice,
Video (Live Streaming)
Interactive Gaming
8
(NOTE 5)
8
300 ms
10-6
Video (Buffered Streaming)
TCP-based (e.g., www, e-mail, chat, ftp, p2p file
9
(NOTE 6)
9
sharing, progressive video, etc.)
qci1~9