[Hidden-tech] WiredWest fiberoptic broadband

[Robert Heller]

At Sun, 18 Apr 2010 10:49:15 -0400 ussailis at shaysnet.com wrote:

> 
>    ** Be sure to fill out the survey/skills inventory in the member's area.
>    ** If you did, we all thank you.
> 
> 
> I thought everything over Internet was half-duplex, because that is all
> that can be sent over a pair of wires, unless frequency division multiplex
> is used, as the phone company invented years ago.

Twisted pair is *two* pairs per cable -- it is full duplex.  Coax is
packet switched sharing a single wire.  Most modern switches (do they
still bother with hubs anymore?) will commit between pairs of ports. 
Hell, even PPP over dial-up is full duplex, just slow and only handles
one active IP connection at a time (other connections stall, possibly
timing out).

> 
> 
> Jim Ussailis
> jim at nationalwireless.com
> 
> PS Wireless does not have to be half-duplex. I tried a full duplex
> communication on the 11 meter ham band once back in 1958. Slick!
> 
> 
> Original Message:
> -----------------
> From: Matthew S. Crocker matthew at corp.crocker.com
> Date: Sat, 17 Apr 2010 12:50:41 -0400 (EDT)
> To: hidden-discuss at lists.hidden-tech.net
> Subject: Re: [Hidden-tech] WiredWest fiberoptic broadband
> 
> 
>    ** Be sure to fill out the survey/skills inventory in the member's area.
>    ** If you did, we all thank you.
> 
> 
> 
> Another problem with wireless is when people says 'wireless' they normally
> mean 'unlicensed wireless'.  Unlicensed wireless has a slew of issues with
> frequency competition.  Point to Multipoint unlicensed wireless also half
> duplex polled network.  half duplex networks get destroyed when the users
> start doing high packet rate full duplex applications (VoIP, peer2peer,
> VPN, SSH, ...).   Wireless is a good short term fill in the gap solution
> but it isn't  a viable long term solution and it doesn't support the future
> of the Internet.
> 
> Licensed point to point wireless links can be used for back haul in a
> regional backbone.
> 
> A Regional open fiber network would be a huge win for the area.  Towns need
> to be working on funding/prop 2.5 override to budget a last mile fiber
> build in the town.  Connect your town to the state middle mile project and
> everyone wins.  Towns should also not expect the fiber network to generate
> revenue,  If the town makes money off it then it is basically a tax and
> there are other ways to tax the residents that make more sense.
> 
> -Matt
> 

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