OT: Forwarding to your ISP
Kevin Darcy
kcd at daimlerchrysler.com
Wed Jun 30 23:05:22 UTC 2004
Sten Carlsen wrote:
>Barry Margolin wrote:
>
>
>>In article <cbv0gn$20bn$1 at sf1.isc.org>,
>>Kirk Strauser <kirk at strauser.com> wrote:
>>
>>
>>
>>
>>
>>>On Wednesday 2004-06-30 11:51 am, Barry Margolin wrote:
>>>
>>>
>>>
>>>
>>>>ISP servers are already handling a huge load, so it's not uncommon for
>>>>them to be overloaded (even the best run ISPs occasionally encounter
>>>>unexpected activity, or get deliberate DOS attacks), and you'll suffer as
>>>>a result.
>>>>
>>>>
>>>>
>>>>
>>>That seems pretty reasonable. It would be introducing a single point of
>>>failure where one need not exist.
>>>
>>>
>>>
>>>
>>I was going to say that, but it's not quite true, since you can list
>>multiple forwarders. So unless all of the ISP's servers share a common
>>point of failure, you're OK in that respect.
>>
>>
>>
>>
>>
>If you use "forward first" will that not solve that situation? I
>understood that it is supposed to try the forwarders, if they fail to
>provide an answer for any reason, it will do the whole work by itself?
>
There will still be a timeout involved. The next step down from "forward
first" is the pseudo-mode "forward never", which is pretty much what
we're recommending here :-)
- Kevin
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