[AusNOG] OT: AS_PATH prepend (was: Re: Largest IP Backbone)

[Matthew Moyle-Croft]

Macca,

There are lots of people who don't grasp that more specifics will win.

Dear Peer, If you do TE via more specifics only out of transit then  
I'm going to prefer your transit path unless you send them to me also.

MMC

On 01/05/2009, at 3:11 PM, McDonald Richards wrote:

> There are many people out there (even inside AU) who fail at  
> understanding
> that LPREF beats pre-pending, every time. Unfortunately they still  
> think
> that with 500 bazillion pre-pends they will never see traffic on their
> metered backup link.....
>
> Macca
>
>
> -----Original Message-----
> From: ausnog-bounces at lists.ausnog.net
> [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Dale Shaw
> Sent: Friday, 1 May 2009 3:39 PM
> To: ausnog at ausnog.net
> Subject: [AusNOG] OT: AS_PATH prepend (was: Re: Largest IP Backbone)
>
> Hi,
>
> On Fri, May 1, 2009 at 2:05 PM, Bill Walker
> <Bill.Walker at staff.snap.net.nz> wrote:
>>
>> http://www.cymru.com/BGP/summary.html
>
> Wow, these guys (and many more like them) reeeaallly like AS_PATH
> prepending.
>
> 203.124.25.0/24 [peer013] 22335 11537 3549 8966 8966 8961 38193 38264
> 45127 45127 45127 45127 45127 45127 45127 45127 45127 45127 45127
> 45127 45127 45127 45127 45127 45127 45127 45127 45127 45127 45127
> 45127 45127 45127 45127 45127 i
>
> inetnum:      203.124.24.0 - 203.124.31.255
> netname:      WARIDTELECOM
> descr:        WARID Telecom is a GSM service provider in Pakistan.
> country:      PK
>
> WHY? (surely they haven't done this to tip the balance somewhere many
> AS hops away?)
>
> cheers,
> Dale
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-- 
Matthew Moyle-Croft
Networks, Internode/Agile
Level 5, 162 Grenfell Street, Adelaide, SA 5000 Australia
Email: mmc at internode.com.au    Web: http://www.on.net
Direct: +61-8-8228-2909		     Mobile: +61-419-900-366
Reception: +61-8-8228-2999        Fax: +61-8-8235-6909

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