[TUHS] Unix V8 Chaosnet, any takers?

Ron Natalie ron at ronnatalie.com
Fri Jul 15 06:39:44 AEST 2022

It can do subnets, but it can’t deal with long haul (over the greater 
internet) time delays.

------ Original Message ------
>From "Tom Teixeira" <tjteixeira at earthlink.net>
To tuhs at tuhs.org
Date 7/14/2022 4:32:55 PM
Subject [TUHS] Re: Unix V8 Chaosnet, any takers?

>On 7/14/22 2:19 PM, Ron Natalie wrote:
>>Note, I don’t know what you’re planning, but Chaos couldn’t take any propagation delay.   It’s really limited to a LAN implementation as originally designed.
>It definitely had subnet routing, and as I recall, the KL10's and other machines with front end I/O processors generally used chaosnet routing between the host itself and the rest of the network. i.e. the I/O processor was on one subnet, the host on a second subnet and the rest of the "LAN" was on the other side of the I/O processor. My recollection is that unlike an IP router, a Chaosnet node had only one address, and routing tables determined which device to send the data on.
>And LCS definitely had multiple coax cable runs with each run a subnet with routing between. But with a maximum of 256 subnets, routing was much simpler.
>I wonder how much benefit is available from using network switches rather than collision detection and retransmit, though the virtual token was supposed to reduce collisions somewhat.

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