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Technology Stocks : LAST MILE TECHNOLOGIES - Let's Discuss Them Here
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To: Frank A. Coluccio who wrote (1426)11/13/1997 2:48:00 PM
From: Mike Harnack  Read Replies (2) of 12823
 
Frank,

Having just joined this group and being an employee of the "world's oldest startup" ; The Paradyne Corporation I thought I'd respond to your question on "access concentrator" as opposed to "DSLAM". The DSLAM is simply the packaging of the central office side of the dsl circuit. Keep in mind that whether it's the remote end or the central office end they are simply modems; albeit very fast ones. the output of the dslam needs to be aggregated somehow; in our case it's multiple 10base T's out the backside of the DSLAM. Any further aggregation needs to take place in an access concentrator; such as the functions offered by the XYLAN products. Typically then the Multiplexed or aggregated IP datasteams from multiple DSLAMS from multiple central offices get backhauled onto an ATM network or OC3, OC12, or T3 network depending on the application.
A large scale Internet access system's backbone may not look the same as A private network meant to carry Lots of LAN extension traffic for the work at home crowd.
Hope this helps.
By the way I liked e-nets technology and have taken a shot at them.
Is there a forum on this Silicon Investor for the CLEC market?

Thanks
Mike
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