On Monday, January 23, 2017 at 7:31:51 AM UTC-8, Mark D. Roth wrote: > > On Fri, Jan 20, 2017 at 9:47 AM, 'Carl Mastrangelo' via grpc.io < > [email protected] <javascript:>> wrote: > >> Initial thoughts: >> >> * percentage needs to be declared to be an integer (as opposed to >> number). This will make it consistent internally and externally. >> > > Done. (There's no reason to require that these fields be consistent > internally and externally, since they're each going to be read by > independent resolver implementations. But I agree that integer makes more > sense.) > > >> * TXT records are limitted to ASCII chars. What will happen if the >> method name, programming language, or load balancing policy is not pure >> ascii? >> > > Good question. As a data point, do we know if protobuf allows non-ASCII > chars in service or method names? >
I don't think protobuf allows it for method or service names that it generates, but protobuf may not be used as the IDL. Also, the other fields wouldn't be affected by protobuf restrictions. > > >> * Are TXT records for a superdomain applicable? For example, if there >> was a SC for foo.bar.com, but not sub.foo.bar.com, does it apply? >> > > No, the name has to exactly match the server name given to the client. > Otherwise, we'd need to make a bunch of additional DNS lookups for each > server name. > What about FQDNs? Does "foo.bar.com" match "foo.bar.com." ? > > >> >> >> On Thursday, January 19, 2017 at 11:42:29 AM UTC-8, Mark D. Roth wrote: >>> >>> It's obviously going to have to be a heuristic, since we don't have any >>> way of knowing the full set of clients a priori. I was thinking that we >>> would take a hash of the client's hostname and pid, which unfortunately >>> wouldn't really be that deterministic. But I'd welcome suggestions for a >>> more deterministic algorithm. >>> >>> On Thu, Jan 19, 2017 at 9:18 AM, 'Craig Tiller' via grpc.io < >>> [email protected]> wrote: >>> >>>> How does the percentage field work? >>>> >>>> Do clients roll a die to determine if they're in the canary subset? Or >>>> is there a deterministic way of determining this? >>>> >>>> On Thu, Jan 19, 2017 at 8:57 AM 'Mark D. Roth' via grpc.io < >>>> [email protected]> wrote: >>>> >>>>> I've created a gRFC describing how service configs will be encoded in >>>>> DNS: >>>>> >>>>> https://github.com/grpc/proposal/pull/5 >>>>> >>>>> I'd welcome feedback, especially on the proposed use of TXT records. >>>>> >>>>> Please keep discussion in this thread. Thanks! >>>>> >>>>> -- >>>>> Mark D. Roth <[email protected]> >>>>> Software Engineer >>>>> Google, Inc. >>>>> >>>>> -- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "grpc.io" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to [email protected]. >>>>> To post to this group, send email to [email protected]. >>>>> Visit this group at https://groups.google.com/group/grpc-io. >>>>> To view this discussion on the web visit >>>>> https://groups.google.com/d/msgid/grpc-io/CAJgPXp5VBE%3DBVJq8JKXAdKV%3D3-nrjFDHFd0sTwUW%3DGOr%2B3q6Tw%40mail.gmail.com >>>>> >>>>> <https://groups.google.com/d/msgid/grpc-io/CAJgPXp5VBE%3DBVJq8JKXAdKV%3D3-nrjFDHFd0sTwUW%3DGOr%2B3q6Tw%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>>> . >>>>> For more options, visit https://groups.google.com/d/optout. >>>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "grpc.io" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To post to this group, send email to [email protected]. >>>> Visit this group at https://groups.google.com/group/grpc-io. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/grpc-io/CAAvp3oM7boP7X4GeGXmXf0C5pHCBSXZ8_vCF7jFGwceHyjDbDg%40mail.gmail.com >>>> >>>> <https://groups.google.com/d/msgid/grpc-io/CAAvp3oM7boP7X4GeGXmXf0C5pHCBSXZ8_vCF7jFGwceHyjDbDg%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>> . >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> >>> >>> -- >>> Mark D. Roth <[email protected]> >>> Software Engineer >>> Google, Inc. >>> >> -- >> You received this message because you are subscribed to the Google Groups >> "grpc.io" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> To post to this group, send email to [email protected] >> <javascript:>. >> Visit this group at https://groups.google.com/group/grpc-io. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/grpc-io/ccc7f85d-3f0d-4f59-a438-cedd6c8dd074%40googlegroups.com >> >> <https://groups.google.com/d/msgid/grpc-io/ccc7f85d-3f0d-4f59-a438-cedd6c8dd074%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> >> For more options, visit https://groups.google.com/d/optout. >> > > > > -- > Mark D. Roth <[email protected] <javascript:>> > Software Engineer > Google, Inc. > -- You received this message because you are subscribed to the Google Groups "grpc.io" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/grpc-io. To view this discussion on the web visit https://groups.google.com/d/msgid/grpc-io/d88e0282-26f6-45d9-afa2-b560c16bbd24%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
