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Re: personal cloud

Cross-posted to 4 groups.

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On 2018-10-13, William Unruh <unruh@invalid.ca> wrote:
> On 2018-10-12, Jasen Betts <jasen@xnet.co.nz> wrote:
>> On 2018-10-12, Eef Hartman <E.J.M.Hartman@gmail.com> wrote:
>>> In alt.comp.os.linux Soviet_Mario <SovietMario@cccp.mir> wrote:
>>>> As I know nothing of networks, I assumed it could be 
>>>> possible to access a website BY NAME, delegating some other 
>>>> service to translate it. If it is possible.
>>>
>>> Yeah, but YOUR server will have to provide that service (name to IP
>>> mapping) too as IT is the only one that knows wgat IP it currently
>>> got. So you would have to setup a name server (DNS server) too for a
>>> domain, all of your own, which also means you have to buy that domain
>>> for your exclusive usage.
>>> Normally your provider does this, but mostly with varying IP you also
>>> get a varying NAME too, either from that provider or from the network
>>> switch that provides the IP.
>>>
>>> Exception, if the IP's are in a private network (192.168.*.* or
>>> 10.*.*.* etc) _all_ of the machines have a single external IP: that of
>>> the router/switch that provides that private lan. From outside you then
>>> cannot connect to a specific machine as you can only can reach the
>>> router and it is up to IT how it goes further.
>>
>> a dynamic DNS prodiver can provide a constant name over ip address
>> changes (there's a lag of about 1 minute) so brief disconnections when
>> your ip address changes.
>>
>
> Except it takes much longer than that for the info to propagate through
> the net. Your primary dns provider may change the name "instantlsy" but
> most users do not use your dns provider. They use some other one. In
> order that dns not saturate the the net with requests, they are cached
> and those caches can takes hours and days to be replenished. So many of
> your users will see the old address up to days after the address has
> changed. 

With TTL 60 seconds it won't take much longer than 60 seconds for the
change to propogate.

Hours and days only if the source DNS serves with a high TTL and the
dynamic ones no not.

-- 
  Notsodium is mined on the banks of denial.

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personal cloud Soviet_Mario <SovietMario@CCCP.MIR> - 2018-10-11 17:49 +0200
  Re: personal cloud "Carlos E.R." <robin_listas@es.invalid> - 2018-10-11 18:55 +0200
  Re: personal cloud "J.O. Aho" <user@example.net> - 2018-10-11 19:01 +0200
  Re: personal cloud Soviet_Mario <SovietMario@CCCP.MIR> - 2018-10-11 19:36 +0200
    Re: personal cloud Soviet_Mario <SovietMario@CCCP.MIR> - 2018-10-11 19:39 +0200
  Re: personal cloud William Unruh <unruh@invalid.ca> - 2018-10-11 18:56 +0000
    Re: personal cloud "J.O. Aho" <user@example.net> - 2018-10-11 21:57 +0200
      Re: personal cloud William Unruh <unruh@invalid.ca> - 2018-10-11 20:54 +0000
        Re: personal cloud Soviet_Mario <SovietMario@CCCP.MIR> - 2018-10-12 11:48 +0200
          Re: personal cloud Dan Purgert <dan@djph.net> - 2018-10-12 10:40 +0000
          Re: personal cloud Bit Twister <BitTwister@mouse-potato.com> - 2018-10-12 05:46 -0500
            Re: personal cloud Soviet_Mario <SovietMario@CCCP.MIR> - 2018-10-12 13:33 +0200
              Re: personal cloud Dan Purgert <dan@djph.net> - 2018-10-12 12:12 +0000
                Re: personal cloud "J.O. Aho" <user@example.net> - 2018-10-13 07:32 +0200
      Re: personal cloud Soviet_Mario <SovietMario@CCCP.MIR> - 2018-10-12 11:37 +0200
    Re: personal cloud Soviet_Mario <SovietMario@CCCP.MIR> - 2018-10-12 11:35 +0200
      Re: personal cloud Bit Twister <BitTwister@mouse-potato.com> - 2018-10-12 04:48 -0500
        Re: personal cloud Soviet_Mario <SovietMario@CCCP.MIR> - 2018-10-12 13:06 +0200
          Re: personal cloud "Carlos E.R." <robin_listas@es.invalid> - 2018-10-12 13:43 +0200
          Re: personal cloud Bit Twister <BitTwister@mouse-potato.com> - 2018-10-12 07:29 -0500
          Re: personal cloud Eef Hartman <E.J.M.Hartman@gmail.com> - 2018-10-12 12:58 +0000
            Re: personal cloud Soviet_Mario <SovietMario@CCCP.MIR> - 2018-10-12 16:59 +0200
              Re: personal cloud Dan Purgert <dan@djph.net> - 2018-10-12 15:34 +0000
              Re: personal cloud "Carlos E.R." <robin_listas@es.invalid> - 2018-10-14 14:14 +0200
            Re: personal cloud Jasen Betts <jasen@xnet.co.nz> - 2018-10-12 22:34 +0000
              Re: personal cloud William Unruh <unruh@invalid.ca> - 2018-10-13 15:03 +0000
                Re: personal cloud Jasen Betts <jasen@xnet.co.nz> - 2018-10-13 18:50 +0000
        Re: personal cloud Soviet_Mario <SovietMario@CCCP.MIR> - 2018-10-12 14:33 +0200
          Re: personal cloud Bit Twister <BitTwister@mouse-potato.com> - 2018-10-12 07:45 -0500
      Re: personal cloud Jasen Betts <jasen@xnet.co.nz> - 2018-10-12 22:24 +0000

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