[AusNOG] Approx downtime when moving fromTelstra to another internet provider ? for email , route etc

[Russell Langton]

Hi Qui,

For pure routing - If Telstra removed it correctly , and the new provider
added it correctly straight away, It should only be as long for the routing
tables to propagate and update - ~30 seconds.
Without knowing the details of the cutover procedure, the 2 hours may be
required for OSS systems to update network, or DNS ttl to expire or other
factors.
2 hours time-frame may also be given as a worst case to give enough time to
fix any errors.

On Fri, Jul 20, 2018 at 3:59 PM, Qui Le <QLe at sydneyoperahouse.com> wrote:

>
>
> Hello All,
>
>
>
> We are moving from Telstra to another internet provider.
>
> We will cut over at midnight next week ie remove static route in Telstra
> Cloud , inject new BGP route  etc  and was told around  2 hours downtime
> before new Internet service kick in.
>
> Just want to know the mechanic of how it works -how long normally take for
> the new route advertised and redirect to the new internet provider ?
>
> Any insight are much appreciated.
>
>
>
> Thanks in advance.
>
> Qui Lee
>
>
>
>
>
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