Re: Network notifications
Re: Network notifications
- Subject: Re: Network notifications
- From: Jens Alfke <email@hidden>
- Date: Tue, 1 Apr 2008 09:05:19 -0700
On 1 Apr '08, at 8:25 AM, Randall Meadows wrote:
If they're updating every second, then yes, TXT records would be
inappropriate. But Randall didn't say whether the updates were that
frequent.
I would expect maybe 5-10 over a 2-3 minute period, and then a
downtime of about the same; lather, rinse, repeat for several hours
at a time. Does that fall within some definition of "frequent"?
I'd say that's reasonable, if there won't be a lot of machines
publishing this kind of stuff at once on the same subnet.
The only actual case I've seen where Bonjour traffic became a problem
was on Apple's campus networks, after 10.2 shipped. That was a
combination of very large subnets with hundreds of machines, most of
them running iChat, and some inefficiencies in the original mDNS
implementation that were then addressed in 10.3.
Yes, currently in practice it'll probably be one-to-one, but I'm
writing for the future possibilities.
Using TXT records is still a lot easier than anything else you could
do. In the spirit of "Do The Simplest Thing That Could Possibly
Work", try it this way first. If it causes any problems, you could re-
implement it using a TCP socket that the publisher sends notifications
over, or something like that.
—Jens
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