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Re: provisioning software, was DNS RRTYPEs, the difficulty with

2012-03-02 12:48:37
Skipping over all the parts I agree with, and noting that two decades of telling people to upgrade their DNS servers frequently hasn't worked, we get to ...

I'll also add one more point based on my experience with DNS
provisioning system UI design, most of what you are trying to accomplish
with your draft on the UI side can be handled with a simple text field
in an HTML form that allows the user to enter free-form stuff that is
then checked for syntax errors

Checked for syntax errors?  By what?

The whole point of the extension language is to describe the syntax of new RRs as data that provisioning software and nams servers can read at runtime, so you don't have to patch your software for every new RR.

It also can be translated into an HTML form for the RR that the user can fill in, the provisioning software can syntax check by field, so you don't have to build an entire BIND master file parser into your PHP web scripts.

And, of course, your DNS server uses the same data to parse new RRs without being patched.

Regards,
John Levine, johnl(_at_)iecc(_dot_)com, Primary Perpetrator of "The Internet for 
Dummies",
Please consider the environment before reading this e-mail. http://jl.ly
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