Why mutliple transport ICE candidate allocated even when sdp using `a=group:BUNDLE 0 1` in chrome?

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英文:

Why mutliple transport ICE candidate allocated even when sdp using `a=group:BUNDLE 0 1` in chrome?

问题

Chrome版本:113.0.5672.129

提供的SDP:

v=0
a=group:BUNDLE 0 1
...
m=video
a=mid:0
...
m=application 
a=mid:1

但我发现本地收集的ICE候选项被分成两组,一组用于mid-0,另一组用于mid-1:

sdpMid: 0, sdpMLineIndex: 0, candidate: candidate:2558938800 1 udp 2122260223 192.168.2.200 54078 typ host generation 0 ufrag DncU network-id 1
sdpMid: 1, sdpMLineIndex: 1, candidate: candidate:2558938800 1 udp 2122260223 192.168.2.200 54079 typ host generation 0 ufrag DncU network-id 1
sdpMid: 0, sdpMLineIndex: 0, candidate: candidate:1250609983 1 udp 1686052607 115.89.7.51 60609 typ srflx raddr 192.168.2.200 rport 54078 generation 0 ufrag DncU network-id 1
sdpMid: 1, sdpMLineIndex: 1, candidate: candidate:1250609983 1 udp 1686052607 115.89.7.51 43434 typ srflx raddr 192.168.2.200 rport 54079 generation 0 ufrag DncU network-id 1

这是Chrome的一个bug吗?

英文:

Chrome version: 113.0.5672.129

Offer sdp:

v=0
a=group:BUNDLE 0 1
...
m=video
a=mid:0
...
m=application 
a=mid:1

But I found the ice candidates collected locally are splitted into two groups, one for mid-0, the other for mid-1:

sdpMid: 0, sdpMLineIndex: 0, candidate: candidate:2558938800 1 udp 2122260223 192.168.2.200 54078 typ host generation 0 ufrag DncU network-id 1
sdpMid: 1, sdpMLineIndex: 1, candidate: candidate:2558938800 1 udp 2122260223 192.168.2.200 54079 typ host generation 0 ufrag DncU network-id 1
sdpMid: 0, sdpMLineIndex: 0, candidate: candidate:1250609983 1 udp 1686052607 115.89.7.51 60609 typ srflx raddr 192.168.2.200 rport 54078 generation 0 ufrag DncU network-id 1
sdpMid: 1, sdpMLineIndex: 1, candidate: candidate:1250609983 1 udp 1686052607 115.89.7.51 43434 typ srflx raddr 192.168.2.200 rport 54079 generation 0 ufrag DncU network-id 1

It this a bug for chrome?

答案1

得分: 0

除非您将 bundlePolicy 设置为 max-bundle,否则这是规范所要求的行为。

英文:

Unless you set the bundlePolicy to max-bundle that is the behavior required by the specification.

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  • 本文由 发表于 2023年6月6日 15:08:05
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