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Date:      Tue, 5 Nov 1996 17:26:24 -0800 (PST)
From:      Veggy Vinny <richardc@CSUA.Berkeley.EDU>
To:        "Sean J. Schluntz" <schluntz@pinpt.com>
Cc:        chat@FreeBSD.org, dwhite@resnet.uoregon.edu
Subject:   Re: Ricochet modem by Metricom 
Message-ID:  <Pine.PTX.3.95.961105172256.4315u-100000@soda.CSUA.Berkeley.EDU>
In-Reply-To: <Chameleon.847241716.List@journeyman.pinpt.com>

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On Tue, 5 Nov 1996, Sean J. Schluntz wrote:

> > 	Hmmm, not according to what I understand.  The modems are 100kBps
> > for the data xfer but their network goes out of a T1.
> 
> Now this is only what I understand from what the tech over at Metrocom 
> told me and the paperwork I got on it before I signed up but:
> 
> They have a T1 connection to the internet.  Their cluster hubs could 
> transmit data faster than the standard antennas to bounce data (They were 
> not to specific, but it sounded like ISDN connections to me).  Their area 
> networks (Hopping from ministation to ministation) was a 100kbps network 
> that they were going to expand.  The more people on the 100kbps network 
> the slower each one of them would be (The water down a hose with holes 
> idea.)  
> 
> But it's not a 100kbps network for the whole bay, its smaller areas so 
> that they do not impact each other.  I am lucky to get 9600bps on mine in 
> down town San Jose.  I went to a con where I saw a few people with them 
> and a telnet session I was using was going more like 2400bps.
> 
> Once again, this is just from the info a friend and I were able to get 
> out of their techs when we called about speed problems.  

	From what they told me, both tech support and also the UC Berkeley
on campus demonstration, it's the modem has a raw data rate of 100kBps but
the modem does about 28.8k performance.  Then each small group of
receivers connect to Metricom on a T1 then the Metricom connection to the
net via AlterNet/UUNet is what I don't know...  I'm in Chinatown San
Francisco and I get about 36kBps throughput...  Their techs aren't very
informative it seems about their service.

Vince
GaiaNet Corporation - Unix Networking Operations - GUS Mailing Lists Admin






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