Re: Fwd: New Version Notification for draft-wouters-edns-tcp-keepalive-00.txt (fwd)
Tony Finch <[email protected]>
| Newsgroups | gmane.ietf.dnsext |
|---|---|
| Message-ID | <[email protected]> |
Dave Lawrence <[email protected]> wrote: > Tony Finch writes: > > > > An RFC 5966 server supports persistent TCP but does not advertise this > > fact. An edns-tcp-keepalive client interprets this lack of advertisement > > as lack of support, so it will send only one query per TCP connection. > > So your concern is about as-yet-unwritten software being written > badly? No, the above is what edns-tcp-keepalive specifies. It says: The DNS server MAY omit including the edns-tcp- keepalive option if it deems its local resources are too low to service more TCP keepalive sessions. So a correctly written client that follows this spec will interpret the absence of the option as lack of support for persistent TCP. Tony. -- f.anthony.n.finch <[email protected]> http://dotat.at/ Forties, Cromarty: East, veering southeast, 4 or 5, occasionally 6 at first. Rough, becoming slight or moderate. Showers, rain at first. Moderate or good, occasionally poor at first. _______________________________________________ dnsext mailing list [email protected] https://www.ietf.org/mailman/listinfo/dnsext