Enterprise Multihoming

Marshall Eubanks tme at multicasttech.com
Thu Mar 11 18:08:11 UTC 2004


There is another  thing - if you are multi-homed, and want to switch 
providers, it is pretty seamless and painless - no renumbering, no
loss of connection, etc., as you always have a redundant path.


On Thursday, March 11, 2004, at 12:34 PM, Pekka Savola wrote:

>
> <On Thu, 11 Mar 2004, Gregory Taylor wrote:
>> Mutli-homing a non-ISP network or system on multiple carriers is a 
>> good
>> way to maintain independent links to the internet by means of 
>> different
>> peering, uplinks, over-all routing and reliability.  My network on 
>> NAIS
>> is currently multi-homed through AT&T.  I use a single provider as 
>> both
>> of my redundant links via 100% Fiber network.  Even though this is
>> cheaper for me, all it takes is for AT&T to have some major outage 
>> and I
>> will be screwed.  If I have a backup fiber line from say, Global
>> Crossing, then it doesn't matter if AT&T takes a nose dive, I still 
>> have
>> my redundancy there.
>
> Well, I think this, in many cases, boils down to being able to pick
> the right provider.
>
> I mean, some providers go belly-up from time to time.  Others are
> designed/run better.
>
> For a major provider, complete outage of all of its customers is such
> a big thing they'll want to avoid it always.  If it happens, for a
> brief moment, once in five years (for example), for most companies
> that's an acceptable level of risk.
>
> -- 
> Pekka Savola                 "You each name yourselves king, yet the
> Netcore Oy                    kingdom bleeds."
> Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings
>
>
                                  Regards
                                  Marshall Eubanks

T.M. Eubanks
e-mail : marshall.eubanks at telesuite.com
http://www.telesuite.com




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