Hello, A „happy eyeballs“ implementation, not only for Multiple IPv4 addresses but also for IPV6/IPv4 Mixed would be a good thing, however since this
a) adds additional connection Timeouts or decreases connection deadlines b) potentially is stateful I think it’s not a good idea to enable it for all connections. A new method to specify a policy (and allow a new default policy) would probably be better. I don’t think doing that in the resolving alone would work, since there is also a question of parallelity and a endpoint specific state. Gruss Bernd -- http://bernd.eckenfels.net ________________________________ Von: net-dev <net-dev-r...@openjdk.java.net> im Auftrag von Aleks Efimov <aleksej.efi...@oracle.com> Gesendet: Wednesday, December 16, 2020 5:53:02 PM An: Benjamin Marwell <bmarw...@apache.org> Cc: Alan Bateman <alan.bate...@oracle.com>; OpenJDK Network Dev list <net-dev@openjdk.java.net> Betreff: Re: [JDK-8257080] Java does not try all DNS results when opening a socket Hi Benjamin, As Alan stated I'm working on adding an SPI [1] which will provide a possibility to alter how host names and IP addresses are resolved by JDK platform. I believe it would be possible to use this mechanism for addressing issue described in JDK-8257080. Best Regards, Aleksei [1] WIP jdk-sandbox branch: https://github.com/openjdk/jdk-sandbox/tree/JDK-8244202-nspi-stream-branch On 16/12/2020 15:42, Alan Bateman wrote: > On 16/12/2020 15:21, Benjamin Marwell wrote: >> https://bugs.java.com/bugdatabase/view_bug.do?bug_id=8192780 >> >> Granted, it is an SPI. But it seemed to have been used. >> > > Aleksej Efimov is working on an InetAddress SPI, I'm sure there will > be a draft JEP at some point. It has the potential to complement the > exploration that we discussing here. > > -Alan
