IOS new versions and network load

[mel at beckman.org (Mel Beckman)]

There used to be a Mac mini "hotel" at Switch networks in Vegas. I think it's still there.

 -mel 

> On Sep 17, 2017, at 4:44 PM, Jean-Francois Mezei <jfmezei_nanog at vaxination.ca> wrote:
> 
>> On 2017-09-17 19:37, Eduardo Schoedler wrote:
>> 
>> Server is an app now, any MacOS can have it running.
> 
> But do carriers/ISPs really want to deal with a rack unfriendly Mac Mini
> or iMac at a carrier hotel?  If the Server App could run on Linux, or if
> OS-X could boot on standard servers, perhaps, it it seems to be a very
> bad fit in carrier/enterprise environments.
> 
>> Implementation will be a little tricky, because you need your
>> customers to look a record in your domain.
> 
> 
> I've tried reading some about it.
> The cache server app registers with Apple its existence and the IP
> address ranges it serves
> 
> When a client wants to download new IOS version, Apple checked and finds
> that the client's IP is served by the caching server whose "local" IP is
> a.b.c.d (akaL the inside NAT IP address). Tells client to get version of
> software from that IP address.
> 
> The DNS TXT records are used by the Caching Server to get the list of IP
> blocks it can serve.  (not needed in the target small office
> environments where everyone is on same subnet and the caching server can
> tell the apple serves the one subnet it seves).
>