How do those Dynamic DNS servers work for dial in accounts?

[Barry Margolin]

In article <001801bf5fec$0163c6e0$1a6001cb at chalmers.com.au>,
Robert Chalmers <robert at chalmers.com.au> wrote:
>I've come across organisations that provide Dynamic IP/DNS services for
>users who are not online a lot. Somehow they recognise the caller
>through a link with somesoftware, and assign them an IP, which gives
>them full duplex internet access. www.24Link.com is one that comes to
>mind, or I think dynadns . not sure of its name, but anyway. I'm curious
>to know how such a thing works, and if it's possible to set something
>like that up. If one had a crew in the field, it might be a very handy
>thing.

The user runs a program on their computer that connects to the dynamic DNS
service, or connects to their web page, and tells it their current IP
address.  The service then installs the IP address into the appropriate DNS
entry.

-- 
Barry Margolin, barmar at bbnplanet.com
GTE Internetworking, Powered by BBN, Burlington, MA
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