Re: use the outer edge of Eithernet

Chuck Elliot (
Mon, 15 May 1995 09:53:03 -0400

...and comes complete with complementary never-ending bottle of beer ;o)

>>>At 22:32 5/12/95, Don Johnson wrote:
>>>>...Their system claims to
>>>>use the outer edge of Eithernet cable therefore not degrading network
>>>>performance nada....
>>>Huh? How do they train the electrons to recognize the outer edge of the
>>>cable? Does it matter if you use Thicknet (IEEE 802.3) which has much more
>>>of an outer surface, thinnet (which has much less), or twisted-pair RJ-11
>>>(where the outside gets twisted to be the inside, and, well, the electrons
>>>would get all dizzy).
>>>Michael Sattler <> |
>>> |
>>>To unsubscribe from the CU-SeeMe discussion mailing list send email to |
>>> with a message body containing "unsub cu-seeme-l".|
>>Leave it to you Michael to not let me get away with that one! Let me put
>it in their words and I welcome all feedback.
>>"Many DVC systems use the computer's CPU and memory for processing; others
>use network bandwidth that's normally reserved for data and other
>applications. Just one video phone call with these systems can bring an
>entire network to a standstill."
>>"By contrast, C-Phone does not affect the performance of PC's and the
>network. C-PHONE's internal card includes its own processor and memory,
>freeing the computer's processing power for other work. And, since C-PHONE
>transmits video at broadband rates, the bandwidth required for normal data
>traffic remains untouched."
>>"...No network bandwidth is used in transmitting the video. Hundreds of
>simultaneous video calls can be made. Other DVC systems often have the
>ability to connect within the building, but these systems use enormous
>amounts of network bandwidth, rendering the network unusable for the people
>who use the network when even one video call is in progress."
>>Don Johnson
>>Orlando, Fl USA "Home of the Orlando Magic. The team that won't be
>underated much longer!
Chuck Elliot
Sheffield Hallam University UK
tel. 0742 53315: fax. 0742 533161