Covered Systems and wrapped up with final problem class (see previous blog entry for comments on that).
Have now allowed access to the supervisor course web info, which contains this set of problems, and pointers to relevant past exam questions, whilst noting that the exams this year will be open book, so questions are more likely to be more about using methods, than just remembering the course material,
(A note on a couple questions:- quite a lot of network design hinges on economics- congestion control comes out of joint optimisation of user utility and network provider's revenue - in contrast to closed loop flow control, open loop also has an economic "pivot" point between user and network provider, but it happens at call or session setup time, where you are incentivised, as a user, to choose a low rate for your video (and a high burstiness factor, e.g. r&s in LBAP) simply because higher rates cost more.)
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