DESIGN AND ANALYSIS OF DISTRIBUTED ALGORITHMS phần 6 potx

... selection in distributed files. Networks, 16: 77– 86, 19 86. [17] N. Santoro, M. Scheutzow, and J.B. Sidney. On the expected complexity of distributed selection. Journal of Parallel and Distributed ... result of Exercise 5 .6. 37). Exercise 5 .6. 46 Establish for each of the storage requirements the worst-case cost of protocol SelectSort to sort a distributed set in a...

Ngày tải lên: 12/08/2014, 16:21

... Processing Letters, 26: 301–305, 1987. [5] S. Dobrev, R. Kralovic, and N. Santoro. On the difficulty of waking up. In print, 20 06. [6] S. Dobrev and P. Ruzicka. Linear broadcasting and O(n log log n) ... introduce another very basic and useful technique, saturation, and show how it can be em- ployed to efficiently solve many different problems in trees regardless of the number...

Ngày tải lên: 12/08/2014, 16:21

... 201 (a) (b) 2 5 52 9 76 1 12 8 10 3 4 11 22 17 28 26 15 13 16 7 9 8 3 16 4 11 12 15 22 28 26 13 10 61 17 FIGURE 3.53: In the Setup phase, (a) the entities know their neighbors’ ids and (b) orient each ... messages regardless of the location and the number of the initiators. Exercise 3.10.55 Show that the effect of rounding up α i does not affect the order of magnitude of...

Ngày tải lên: 12/08/2014, 16:21

... content of the messages (Exercises 6. 6 .66 and 6. 6 .67 ). 6. 5 BIBLIOGRAPHICAL NOTES Some of the work on synchronous computing was done very early on in the con- text of Cellular Automata and Systolic ... actual cost depends on the topology of the network and the actual initiation times. For some networks, the cost is not difficult to determine (Exercises 6. 6 .61 and 6....

Ngày tải lên: 12/08/2014, 16:21

... configuration. Proof. First of all, observe that as  is applicable to C, by definition of Aand because of the unpredictability of communication delays,  is applicable to every A ∈ A. Let us now start the proof. ... 7 .6. 3 At least one entity always remains a candidate. Lemma 7 .6. 4 Letxbeacandidate and s be its final size. The total number of times a “Capture” message was sent by...

Ngày tải lên: 12/08/2014, 16:21

... Lynch, and M. Merritt. Easy impossibility proofs for distributed consen- sus. Distributed Computing, 1(1): 26 39, 19 86. [22] M.J. Fisher, N.A. Lynch, and M.S. Paterson. Impossibility of distributed ... predicate (using and, ” “or,” and “p -of- q” connectors) on its outgoing links; examples of such predicates are as follows: “(two of l 1 ,l 2 ,l 3 )or(l 1 and l 4 )” and...

Ngày tải lên: 12/08/2014, 16:21

... queue. This point of view opens an interesting and surprising connection between the problem of distributed mutual exclusion and that of fair management of a distributed queue: Any fair distributed ... Languages and Programming, volume 2 26 of Lecture Notes in Computer Science, pages 344–358. Springer, 19 86. [19] G. Tel and F. Mattern. The derivation of distribut...

Ngày tải lên: 12/08/2014, 16:21

... watermark. 35 40 45 50 55 60 65 PSNR (dB) 03/13/ 06 03/14/ 06 03/14/ 06 03/14/ 06 03/ 16/ 06 03/23/ 06 03/24/ 06 04/05/ 06 06/ 02/ 06 06/ 12/ 06 Date PSNR values Figure 6: PSNR values between the attacked images and the water- marked ... 0.090 (6) 86. 67 (10) 0.9978 (6) A. Westfeld (6) 10.84 (6) 0.098 (8) 125 .67 (3) 0.9975 (5) J. Earl (7) 12.21 (7) 0.099 (5) 2 06. 33 (8) 0.9...

Ngày tải lên: 22/06/2014, 19:20

... here of fixed length (i.e., independent of the number of sensors in the BSN) and contains two new fields for specific energy-saving purposes, the modulation and coding scheme (MCS) and length of the ... energy- efficiency theoretical analysis of a Distributed Queuing MAC (DQ-MAC) protocol and evaluate its performance under BSN scenarios. Please note that the optimization des...

Ngày tải lên: 21/06/2014, 11:20

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