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Re: DNS-SD query




On Jun 8, 2005, at 2:51 AM, ramesh r wrote:


Hello all,

     I have a doubt regarding DNS-SD.

 As far as I know, the draft does not say anything
about the frequence at which the DNS-SD services
should be queried. What could be the ideal approach?

Should the querying rate be different when done
through uDNS & mDNS?

The mDNS draft documents the query rate. See Section 6. "Querying".

<http://files.multicastdns.org/draft-cheshire-dnsext-multicastdns.txt>

For uDNS, if you don't implement LLQs, then you could use a similar approach to mDNS, except make the interval between the first and second queries longer, like maybe 16 seconds.

Best Regards,

-Marc

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