Re: [isp-bgp] isp-bgp digest: May 23, 2005

[James <james@...>]

On Tue, May 24, 2005 at 04:39:56PM -0500, Pete Templin wrote:
> Graham Lewis wrote:
> >You will not be allowed to advertise PA (Provider Aggregatable)
> >address space out of your AS to your second ISP. You will have to
> >apply for a block of PI (Provider Independent) address space from
> >your regional registry (whoever you got your ASN from)to advertise
> >out of your AS to your two upstream ISPs. One of your ISPs may be
> >able to help you in the process if making the request for PI address
> >space.
> 
> Uh, wrong (as someone else pointed out).  Using PA space with other ISPs 
> is certainly possible.  Several of my customers are doing it right now. 
>  They are aware that they cannot take it with them if they ever 
> terminate service with us.
> 
> >The purpose of PA address space is that it is not de-aggregated.
> 
> The purpose of PA address space is that is assigned to the provider. 
> They're paying the RIR fee for it.
> 
> pt
> 

Also note that the popular usage of PA and PI space quite differs from
RIPE NCC and ARIN land.

It is quite common for many .eu operators to acquire PI space from NCC to
multihome, whilst here in the US it is common for operators to simply get
a minimum of /24 sized block, whether it be PA or old PI and announce to
the global routing table.

-J

-- 
James Jun
Infrastructure and Technology Services
TowardEX Technologies
Office +1-617-459-4051 x179 | Mobile +1-978-394-2867
james@...





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