IPv6 multicast binding (Bugs: JDK-8210493 JDK-8215294)

[Andre Naujoks]

Am 02.05.19 um 19:57 schrieb Alan Bateman:
> On 02/05/2019 10:33, Andre Naujoks wrote:
>> :
>> I just wanted to notify you, that the whole issue with binding to a
>> multicast address is not Linux specific.
> Understood as it's always been platform specific as to whether you could
> bind to a multicast address. This is one of the reason why we've had a
> recommendation in the API docs for several years to bind to the wildcard
> address and use the join methods to join the multicast group. This helps
> with the portability but has been problematic on Linux due to the
> "interference" issue. We had hoped that IP_MULTICAST_ALL had solved that
> but alas no. Once IPV6_MULTICAST_ALL is more widely available then we
> should try to make use of it.
>>
>> We are currently trying to reproduce the original issue with the
>> reception of all multicast traffic on windows and will get back to you
>> about that.
>>
> Thanks, I don't think we've seen this issue on any other platforms.

Just to let you know, the original issue does not seem to be a problem
on Windows.

  Andre

> 
> -Alan