Re: Hosting Another IHE's Web Services in the Event of a Disaster

["Hunt,Keith A" <keith () UAKRON EDU>]

> -----Original Message-----
> From: John Kaftan [mailto:jkaftan () UTICA EDU] 
> Sent: Monday, October 23, 2006 8:45 AM
> To: SECURITY () LISTSERV EDUCAUSE EDU
> Subject: Re: [SECURITY] Hosting Another IHE's Web Services in 
> the Event of a Disaster
>
> I tried to get a secondary DNS setup offsite but our DNS guy 
> shot it down.
> He said that the Tier1 DNS providers force an extended TTL to 
> save traffic and cycles on their DNS servers.  Therefore no 
> matter what you set your TTL to some folks will not be able 
> to get to your backup site for an extended period of time.
>
> Has anyone experienced this?  
>
> I am looking to do this anyway in the near future as we are 
> going to switch ISPs soon and I want to ease the pain of re-numbering.

Not sure I understand this. Are you (or your DNS guy) saying that Tier1
DNS providers can override my TTL settings somehow? And what's a Tier1
DNS provider anyway?

--
Keith Hunt  330.972.7968  keith () uakron edu
Internet & Server Systems 
The University of Akron