From: sirus MOGHADASIAN (cyrus.mgh@gmail.com)
Date: Sun Apr 15 2007 - 06:27:45 ART
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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