Errata File (September 2004) DATA AND COMPUTER COMMUNICATIONS, Seventh Edition William Stallings (Prentice-Hall, ISBN 0-13-100681-9) ------------------------------SYMBOLS USED------------------------------- | ti = ith line from top; bi = ith line from bottom; Fi = Figure i | | X -> Y = replace X with Y; Ti = Table i | ------------------------------------------------------------------------- ------------------------------------------------------------------------- ////////////////////////////////SEPTEMBER LIST/////////////////////////// ------------------------------------------------------------------------- PAGE CORRECTION 173 t16: Figure 3.15 -> Figure 3.16 206 Prob 6.17b: w1 and w1 -> w1 and w2 Prob 6.17c: d(v,w1) < d(v,w1) -> d(v,w1) < d(v,w2) 212 Ex 7.1: and receive and ACK -> and receive an ACK (in two places) 257 T8.4: 1.53944064 Gbps -> 153.944064 Gbps 287 t19: user A is c = -> user A is cA = 293 b4: Xo < M -> Xo < m 317 t12: logic resides is -> logic resides in 360 F11.14: delete ST definition 389 F12.11 caption: 10.6 -> 12.2 393 Prob 12.12: both equations should end with: for all i, j, i ­ j 425 b8: delete "elements" 427 b14: in on -> on 450 F14.10b: the two greater-than-or-equal-to signs should be less-than-or-equal-to signs 469 t12: storage capacities multiple -> storage capacities of multiple 485 t4: bit pattern as the -> bit pattern on the 503 b19: with a short time -> within a short time 534 t7: of the of all -> of all the 566 b19: 802.11 does not -> 802.11a does not 602 t15: belong to -> belonging to 627 t2: delete "is referred to" 660 P19.6 lambda1 = lambda1 -> lambda1 = lambda2 703 P20.3: sender initially granted -> sender is initially granted 704 b5 within P20.17: receiver calculates -> sender calculates 743 P21.4a: 3rd matrix is M# ------------------------------------------------------------------------- /////////////////////////////////AUGUST LIST///////////////////////////// ------------------------------------------------------------------------- 41 b12: host B, port 2 -> host B, port 3 58 F3.1, figure caption: Analog and Digital Waveforms 71 b2: 20 Hz to 20 kHz -> 100 Hz to 7 kHz 78 F3.15a: -0 -> -5 86 b6: relates to Eb/N0 -> relates Eb/N0 to 91 b8: 79.8 MW -> 79.8 mW 92 t3: dBM -> dBm t4: Power_dBW -> Power_dBm 102-103: the core has a diameter of 8 to 50 µm, the cladding has a diameter of 125 µm 120 Eqtn 4.3: The two square root signs should be parentheses 131 b5: Figure 3.15 -> Figure 3.16 132 2nd para: Figure 3.15 -> Figure 3.16 144 Example: data rate = 1/T = 2Lfd = 150 kbps 146 t5: phase shifts of multiples -> phase shifts separated by multiples 153 F5.15: The rightmost waveform is in error. Correct figures is at ftp://ftp.prenhall.com/pub/esm/computer_science.s-041/ stallings/Figures/DCC7e_PDF_Figures/CHAP-05/f15.pdf 180 b8: Equation (8.1) -> Equation (6.1) 212 t21: (3 x 10^6) -> (3 x 10^8) 233 last equation: (d/V)/(L/V) -> (d/V)/(L/R) 331 t2: Delete "over the D channel" 347 b7: NT2 -> network 366 Please ignore Problem 11.5 567 t14: 802.11b -> 802.11g 590 The fragmentation rule should state that all of the fragments with the possible exception of the last should be of the maximum allowable size 624 5th bullet from bottom: If the number of group records is M, then there are M group records appended to the message 625 b9: EXCLUDE -> INCLUDE all -> no b8: excluded -> included 679 F20.7: SN = k -> SN = k + 1 t7: where i is -> where i + 1 is t13: SN = j -> SN = j + 1 t16: numbered k -. Numbered k + 1 687 2nd bullet: delete word "modulo" 766 F22.5: Request line -> Request line or Status line 767 2nd bullet: Response-Line -> Status-Line ------------------------------------------------------------------------ | A current version of this file, named Errata-DCC7e-mmyy | is available at WilliamStallings.com ------------------------------------------------------------------------