Zone transfer frequency

[bill]

> 
> I am having a hard time finding documentation on BIND.  Can someone
> please give me a rough idea of how master/slave zone transfers work
> and whether the frequency of transfers is configurable etc.
> 

	RFC 1034 & 1035 have some good information about the DNS.
	BIND, as an implementation of the DNS follows these rules.
	You may find additional documentation in your local book
	archive, look for "DNS & BIND" by Cricket Liu and published
	by O'Riley.  There are also -thousands- of helpful pointers
	on the net, from slide-packs on basic DNS to interactive tutorials.
	Fire up your favorite http-driven search engine for more 
	details.

	master/slave are two modes of authoritaive servers. when changes
	are made to the master, slave servers will pick up the changes.
	the triggers are defined in the SOA RDATA attributes and in 
	the named.conf configuration file.  these triggers tune the
	frequency of transfer, among other things.

	enjoy your homework and please report back to the class
	next week on the results of your studies.

--bill