From: John Conzone (jkconzone@xxxxxxxx)
Date: Sat Apr 29 2000 - 16:14:08 GMT-3
Stanley, I worked for an ISP for a while (short while), and we
were what you called a Tier 2 provider, or even Tier 3. We had address
space from both UUNet and Global Crossing which we resold to users, as
well as to other providders. We had or own AS number, and address
space from both UUNet and Global Crossing. We had different exit
points to the two providers. We used route maps to append our AS onto
the routing advertisements out to each provider to control which way
traffic returned to us.
We had a T-1 to UUNet and a T3 to Global Crossing, so I can't
answer the last part. We were implemeting an ATM backbone through
Nortel Passport Switches, but I left after two months of that project.
If the telco has OC3 capabilties and a ring, I don't see why you
couldn't connect via ATM/SONET if UUNet supported it as well. Thats a
lot of bandwidth!
----- Original Message -----
From: Stanley Seow
To: CCIELAB
Sent: Saturday, April 29, 2000 2:06 PM
Subject: Off Topics but related to ISP stuff
I've a questions... if a customer wanted to be an ISP or sub-ISP and
wanted to connect to two
ISPs... they will need a unique AS number right ??
How do they justify to get a unique AS number rather than belong to a
sub address space of a
bigger ISP ??
If they connect to both ISP, does both of them assign IP to them or
only one of them
assign the IP and the other ISP just agrees to route those traffic for
them...
If they wanted to hook up to UUNET's IX in Asia...using ATM, what type
of connector do they provide
or is this up to the telco to wire them up together ??
Stanley
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