Notes after the Final

Q2: IP QOS
(5) T is also correct:
* Sender also periodically sends PATH messages
* PATH messages are needed for reciever's messages to reach the sender.
(T/F both correct, so everybody gets 0.5 points.)

(6) No change to the solution.
Lecture note clearly states the following:
* A receiver of a data flow initiates and maintains the resource 
reservation used for that flow. It is RESV (from a receiver to a sender),
not PATH (from a sender to a receiver), that makes resource reservations

Q4: Small World Networks
(a) characteristic pathlenth    
    If 2.0, get 0.5 points.

Q7 Packet Scheduling (a)(b)(c)
Partial points provided.(Decrement 1.0 points for each wrong entry.)

Q8: Chord
(b) 1 point for each (partial points provided)
(c) N1, N4, N12, N16, N25 is also correct. 
   (N40 does not foward the query.)
(d-2) Give partial points for 3rd blank = successor(k).
(d-3) {N1, N40, N74, N84, N92} or {N1, N40, N74, N84}