From: Cacca Mucca (caccamucca@gmail.com)
Date: Sun Apr 15 2007 - 15:33:19 ART
Answer to all 3 of your questions: It all depends.
Anywhere from frame relay to 10G.
On 4/15/07, sirus MOGHADASIAN <cyrus.mgh@gmail.com> wrote:
>
> In my place only DSL and ISDN technologies are ran. I have three question:
>
> 1.what technologies nowadays run in ISPs as core which ISPs using to
> connect each other? Is there any ATM or Frame Relay out there? Are they
> use
> MPLS?
>
>
> 2.Which media ISPs use to connect to each other? what media is used to
> connect two different ISPs in two towns? Are they use fiber or wireless
> point-to-point or other media?
>
> 3.Since I have not seen any Frame Relay in real world,I always want to
> know
> which media ISP use to deliver frame relay to your company? In lab we say
> serial bale connect two routers but in real world which media they use?
>
>
> Thanks in advance
>
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