Re: Tierwise ISPs

Hello GS, if I want yo read further on this can you suggest a book.

Thanks

Santiago E

On Sat, Nov 28, 2009 at 6:41 AM, Iwan Hoogendoorn <iwan_at_ipexpert.com> wrote:

> Hi Bhuvanesh ,
>
>
> A Tier 1 network is an IP network that participates in the Internet
> solely via Settlement Free Interconnection, also known as settlement
> free peering.
>
> Tier 2 - A network that peers with some networks, but still purchases
> IP transit or pays settlements to reach at least some portion of the
> Internet.
>
> Tier 3 - A network that solely purchases transit from other networks
> to reach the Internet.
>
> --
> Regards,
>
> Iwan Hoogendoorn
> CCIE #13084 (R&S / Security / SP)
> Sr. Support Engineer IPexpert, Inc.
> URL: http://www.IPexpert.com
>
> On Sat, Nov 28, 2009 at 10:08 AM, Bhuvanesh Rajput <ashu2084_at_gmail.com>
> wrote:
> > Hi Experts,
> >
> > Can anyone help me to understand the eligibility criteria for Tier-1/2/3
> > ISPs?
> > How does the ISP qualify for tierwise status & who validates this status?
> > Brgds
> > Bhuvanesh Rajput
> > CCIE(R&S)#24341
> >
> >
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> >
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>

-- 
-----------------------------
Santiago Enciso
CCNA/CCDA/CCNP
Blogs and organic groups at http://www.ccie.net