In WebRTC spec it is specified that label attribute is used to distinguish the channel from other channels, means, it should be unique.
"The RTCDataChannel.label attribute represents a label that can be used to distinguish this RTCDataChannelRTCDataChannel
------- Original Message -------
Sender : Michael Tuexen<Michael.Tuexen@lurchi.franken.de>
Date : May 21, 2014 06:30 (GMT+09:00)
Title : Re: [Bug 25840] New: Creating DataChannel with same label.
On 20 May 2014, at 23:21, bugzilla@jessica.w3.org wrote:
> https://www.w3.org/Bugs/Public/show_bug.cgi?id=25840
>
> Bug ID: 25840
> Summary: Creating DataChannel with same label.
> Product: WebRTC Working Group
> Version: unspecified
> Hardware: All
> OS: All
> Status: NEW
> Severity: normal
> Priority: P2
> Component: WebRTC API
> Assignee: public-webrtc@w3.org
> Reporter: kiran.guduru@samsung.com
> CC: public-webrtc@w3.org
>
> This check is missing.
>
> Proposed Resolution
> •Fire a ResourceInUseError.
Isn't it allowed to have multiple data channels with the same label?
>
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