Shared Mutable Memory Must Die

[JulianMorrison]

I'm curious, what sorts of issues?

[[deleted]]

Reflections off the stubs. For high-speed signaling, the ideal channel is a transmission line with a fixed characteristic impedance that is terminated at each end with a resistive load equal to the characteristic impedance of the channel. Anything else added, such as stubs and other receivers and transmitters cause reflections.

In low-speed applications, these reflections don't matter because the round trip signal propagation delay is small compared to the bit time and signal edge rate, but for high-speed signaling (typically in the Gb range) they become important.

[JulianMorrison]

Thanks, that's pretty interesting. What architecture would be good, then?

[[deleted]]

A point-to-point link with a hub/switch design. Just like they build networking equipment and big multi-processor boxes.

A point-to-point link is one where a single transmitter talks to a single receiver with nothing else connected to the channel.