Tuesday, November 01, 2022

Principles of Communications Week 5 L8/L9 1&3 Nov, 2022 - Mobile&Random Routing + Open&Closed Loop Flow Control

 We've looked at unicast (one direction) multicast (some direction), broadcast (all directions), mentioned any cast (any direction), and mobile (one level of redirection. We've also looked at metric v. random based route choice, and some policy interactions with traffic engineering (preferences that differ from policy or metric).

Note - slide 228 lists R (trunk reservation) with opposite sense to r on y axes on graphs showing diminishing return of impact of trunk reservation


Next, we look at open-loop and closed-loop flow control.  History of feedback controllers is ancient!

A fun thing to look at is the BSD TCP kernel code. - this book by Rich Stevens is a walk through of that!

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