Add source specific multicast (SSM) to spec#81
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GrapeGreen merged 1 commit intoWICG:mainfrom Nov 25, 2025
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reillyeon
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| readonly attribute FrozenArray<DOMString> joinedGroups; | ||
| Promise<undefined> joinGroup(DOMString groupAddress, optional MulticastGroupOptions options = {}); | ||
| Promise<undefined> leaveGroup(DOMString groupAddress, optional MulticastGroupOptions options = {}); | ||
| readonly attribute FrozenArray<MulticastMembership> joinedGroups; |
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This is a breaking change. Existing code expecting the members of this array to be strings will fail if they are instead MulticastMembership dictionaries.
None of the options here are great. We can add a separate list for memberships which include a source address. Or we could define a union type and have this be DOMString if it's an ASM membership and MulticastMembership if it's an SSM membership.
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thanks @reillyeon
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reillyeon
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Looks good to me but @GrapeGreen should approve before merging because he's the actual editor of this document.
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thank you so much @reillyeon @GrapeGreen |
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Per #80 this updates the specification to support both Any-Source Multicast (ASM) and Source-Specific Multicast (SSM) in the
MulticastControllerinterfacePreview | Diff