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Technology Stocks : LAST MILE TECHNOLOGIES - Let's Discuss Them Here
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To: Kenneth E. Phillipps who wrote (6788)4/6/2000 10:12:00 PM
From: ftth   of 12823
 
Hi Ken, to DT's reply I would only add that the author of that article may be a bit confused. The encryption utilized on the link between the CM and the CMTS isn't related to the encryption in an implementation of a VPN between a user and some remote site. The cable plant encryption only exists within the cable plant, to secure local valued content. An encrypted link you establish as a cable modem user with an outside site is encrypted at higher layers.

Anyone that's used a SecureID, remote access software, and a generic dialup modem knows that the secure link doesn't rely on the modem itself providing encryption.

I gave more details on the DOCSIS encryption back in this post:
Message 9540288
Things have changed a bit since then, but the basic flavor is still the same.
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