Dimensioning Links for IP Telephony

Full text

(1)

(2) . .

(3)

(4)

(5) . ! "

(6) # $ %& % ' & ( & . .

(7)

(8) . Æ

(9) Æ

(10)

(11)

(12)

(13)

(14)

(15)

(16)

(17)

(18)

(19)

(20)

(21)

(22) .

(23) ! "

(24) .

(25) a0. Voice Sources (60-80). Node 0. Node 1. 1.536Mbits/sec sink. a1. Buffer. a3. )*

(26) + " " * , ! - . ,/. 0

(27)

(28) &

(29) 1& - + + 2 -

(30) - +1 ! 3 " "/ 1 " 1

(31)

(32) - -

(33) . *1 + ! *

(34) -/ & -& 3 . ,

(35) - - * / 4 1 ! - 54 6 +* +1 " 1 ! "& "" / . 4 ! !1*& * " !

(36) , ,/ 7 + " . , 1* " Æ/

(37)

(38) ! " * . , , 1

(39) ,8

(40) 1 - . / ! + $* . , .

(41) ! + ! - * " " , 2 - 9:

(42) -

(43) - ! , ! +3 1 -1 * */ ;

(44)

(45) , , <= .

(46) 1 "" . " ! " . "" 1 -!1 - " - ! 1/ > - -1 , ,

(47)

(48) / "" 1 - ! "

(49) 5+ ** <=

(50) 1

(51)

(52) " * * 6/ )* .

(53) + " */ < "+ !

(54) , - "

(55) $ ,/ , " " ! + 2* "" . !

(56) , +- 3 3 1/ > , ! *- + "+ ! - & , ! 3 1 + $

(57) ! % ? > ! @A . $

(58) 3 3 1? B . 2 1" +1 ** " ! + 2* ? >

(59) " " " + = , - " . .

(60)

(61) 5==..6

(62)

(63) ,

(64) + + 1/ > C -!1 " *

(65) , - " / " + !

(66)

(67) -C ! ==.. " " " . + ,/ $

(68) " -1 *

(69) +

(70) +1 " " +/ !

(71)

(72) * 8 !. / <! "" 8* - , $ &

(73) ==..+ " " " * * " / +

(74) " $

(75) "/ % + " + 1 $

(76) "&

(77) - 1/ $

(78) "

(79) D

(80)

(81) @/.

(82)

(83) 7, " * ! - +

(84) ! - + " "" 1/ * " 1 + ,& ! + , " * ! <= ,/ = ! " ! <= ,

(85)

(86) + " ! . ,& +

(87) , * 1"/ " E 1 ! ! "

(88) - ! " " / ; ! " " " ! 1"/ -

(89)

(90) - + ** -

(91) + " ! " * ,

(92) , ,/ <,& = 9: 1 "

(93) $ C + 2 " + +1 F* 9%: " 1 , ! "

(94) $ -1 / , 9D: "

(95) $ C + 2 * G G " & + , . ! ". + 2/ B2 7 9@:

(96) 5==..6 3 !. 1 " 1 "

(97) $ C + 2 8/ 1 ** "

(98)

(99) ! *

(100) " ! ==.. + ! "

(101) $ C + 2 8& + * E & ' 1 9: , ! C + 2 8/ & 1 -

(102) 2 " ! C*

(103) " ! ==../ # 9:

(104)

(105) $" -

(106) ==.. ** " . ! !

(107) " ! ==../

(108)

(109) +1 < 9: *

(110)

(111) + + -

(112) +1 # & = 88 - 9: 1 .

(113) Packet size T. T. T. t ON. OFF. )* ! * / "

(114) $

(115)

(116) ! - /.

(117)

(118) -

(119) " " " ! " * , 1* - Æ/ > -

(120) ! * .

(121) 1

(122)

(123)

(124) !

(125) . 1 + / "

(126) $ + , , * 3 ! " 8/ < "

(127) ! " . + !

(128) - , +1 ! 9:/ " + " -

(129) +1 # & = 88 - 9:/. .

(130)

(131)

(132) . = - * - C$ + C$

(133) ,8 1/ 1

(134) * " ! C$ 8

(135) ,/

(136) , " - 1

(137) * ,

(138) A -

(139) , *

(140) / + - ! * 1 " +1 "

(141) 2 " . 5)* 6/ H * ,

(142) 5;

(143) 6& "

(144) " ! C$ 8

(145) , C$ - " / C

(146) ,

(147)

(148) , " ! !

(149) / !

(150) ,8 A - . - "

(151) +!

(152) C

(153) ,/ "+ !

(154) , ,

(155) & - + & " + * ". 1 +

(156) - * " / " - - 8

(157) , ,

(158) / - ! * " + "" . + 5 ! I 9D&

(159) * @:6&

(160) + . .

(161) Packet size. τ∼ Exp(1/T). τ∼ Exp(1/T). t ON. OFF. )* < *

(162)

(163) $" $

(164) . 1 + - / + 1 ! . 5 J 6 J & J & & & / / /. 56.

(165)

(166) + + 1

(167) , ,

(168) / " J / ! "

(169) ;

(170) - $

(171) - J & $

(172) - ! "+ !

(173) , ,

(174) / > " ;))

(175) $

(176) . 1 + " & . " +1 " > 9:/ < - " 1 + - +

(177) + / ;))

(178)

(179) ;

(180) ,

(181) / > ,

(182) &

(183) , * !

(184) ,

(185) /. .

(186)

(187) . > -

(188)

(189) $" + - " * $

(190) . 1 + - " " ! C$ - "/

(191)

(192) !

(193)

(194) $" "

(195) !1 " * ! " 1 / > ¾ 5 6 - + + - * ,

(196) & + * ". 1 + - +

(197) + + 1 ! 3 " +* "+ !

(198) , ,

(199) / = - " +

(200) / + 1 + ;

(201)

(202) $

(203) . 1 + " * ! ,

(204) " " - 5 6/ )* . + - ! * $

(205) . 1 + - / <

(206) - ;))

(207) " + $

(208) . 1 + " / # ! $

(209) . 1 + .

(210) Nβ. 0. (N-1) β. 1 α. Poisson rates. 2β. ..... 2α. β. N-1. (N-1) α. T. N Nα. (N-1)T. NT. )*

(211)

(212) ! - $

(213) . 1 + - / - " * ,

(214) & " !

(215) , * ;

(216) + * .

(217) 1 / > +

(218) +

(219) , *

(220) *

(221)

(222) * ,

(223)

(224) , * .

(225) 1 /. .

(226)

(227) .

(228)

(229) ! - + - +

(230)

(231) "+ ! 1 ; / B

(232) - ,

(233) / > ! +

(234) 56/ + *- +1 " ! $

(235) . 1 +

(236) & " / " +1 " ! ! ,

(237) /

(238) + + 1 *- +1 J K. .

(239)

(240) .

(241) 5==..6 1 ! 1 ! Æ " 5& /*/& B2 7 9@:6/ +

(242)

(243) ! ! 1

(244) + // >

(245)

(246) & / " *

(247) ! ==.. )* /

(248)

(249) ! .

(250) .

(251) / > ! "

(252) 1 ! 1 ,

(253) - .

(254) !

(255)

(256) / .

(257) 20 N=1 18. Index of Dispersion for Intervals (IDI). 16 N=10 14 N=60. 12. N=130. 10. 8. 6. 4. 2. 0 0 10. Poisson. 1. 10. 2. 10 # consecutive intervals (k) in log 10. 3. 10. 4. 10. )* - 3 Æ ! - - !

(258)

(259) ! - / - 1 !

(260)

(261) $" * ==..

(262) & $ !

(263) ! - 5H6 * ! " ! " " > 9:/ H& . 3 Æ ! - & *- " " ! " Æ " ! + / < - ! Æ + 1 . Æ& - @ + ! * - / * - ! ! + 1/ "

(264) +- + - -1 "

(265) / )* & H& - ! + "+ ! & & 3 & & % / < ! - - ! ! .

(266) / H + ! " " * = +

(267) * "/ ! " - " +

(268) , * ,

(269) & ! $

(270) . 1 + - "& //& ==..

(271)

(272) $" / > C*

(273) ! * + - " 1 1

(274)

(275) / C*

(276)

(277) -

(278) + - .

(279) ! , ! ! " + " + ! 1 - . *

(280) ! "/. %.

(281) .

(282) ! " # . -

(283) + +1 ==.. " ! "

(284) H' 3 / "& * )); - + 2 8 5 * "6 - 1/ , ! " + +1 # 9& :/ > " ! " ! *

(285) + + 1/.

(286)

(287)

(288) > !. *

(289) " ==.. " & " . + $

(290) ". ¯ ,+ <H.= - * % "

(291) , - "& % +1 ! -

(292) 1

(293)

(294) ,. ¯ <

(295) - * ! +1 ! .& @ +1. LH. +1 ./ > 1 , 1 / *

(296) , 8 +1& * + ,+/. ¯ "+ ! -

(297) , ,

(298) * ". 1 +

(299) - * " ! & " ,

(300) * ! "/ " + - + $

(301) . 1 + " ! % "/ * - * ! ! " ,

(302) //. ¯ + , , + ! /% =+/ - " > 9: .

(303) - , +1 F* 9%: < 9:& $

(304)

(305)

(306)

(307) - ! .LH..

(308) ,/ )* % - "

(309) ==.. " ! "

(310) ! + 2 8/ $

(311) "

(312)

(313) + + ! " " ! " " " " ! " . + ,/. . $ . > + % @ ,/ C

(314) ! , + ! & & D.

(315) Mathematical MMPP model 1. 60 sources 65 sources 70 sources 75 sources 80 sources. Loss probability. 0.1. 0.01. 0.001. 0.0001. 1e-05 0. 10. 20. 30. 40 50 60 Number of buffers. 70. 80. 90. 100. )* % 7

(316) + + "

(317) ==.. " / 5 6 7 56 / M % D/ M @ / M @ @ M + , ! "+ ! /. . 56 J. ¢ ¢ . "+ ! & ,

(318) 1&

(319) + + 1

(320) , ! !/ + ! 2 "+ ! / > + % @ @ " + ! 3 + ! ,/

(321) , . 5 M 8 J 6 ,* - * !

(322) + + 1 2 1 " * , 8 /. . % &

(323) '. > - " "

(324) $

(325) ,

(326) 1 ! /% =+ + 2 8 ** ! "

(327) ,/ > !

(328) " " $" " 3 * 1 ! " + 2/ < * L "" I/ 9: 1 ! "

(329) + !

(330) 1& + " +

(331) + & + - " @.

(332)

(333)

(334) !"# $ % "&'() *+% "&,( () . . )* D ! *" C* " / /

(335) + 1 " + - 1 + * !

(336) + -/ !

(337)

(338) & ! ! 1 + * + . 3 * 1& * / "

(339)

(340) /

(341)

(342) $" 1 + 2

(343)

(344) / ) * + ,& 3 * 1

(345) + 2

(346) , - 1

(347)

(348) + /. > 9%:&

(349) , - " -!1 ==.. " / )*

(350) *1 " )* D N *O/ 1 & +1 N# LH.O/ Æ$

(351) * Æ + $

(352) 2 +

(353) "

(354) C $ ! / # 2 " "+ & .

(355) 1 ! / " * * ! 1" 1 & . 1 1" + ! C " ! "& -

(356) " / < + 2 " " ! + " + $

(357) "/ - ! % " *

(358) ,

(359) / ".

(360) , ! % /D% ". ! @ /.

(361)

(362)

(363)

(364) (. ). )* @ $

(365) "

(366) / < * " Æ * " - .

(367) 1 P. P "

(368) $ */ .

(369) SICS net fxp0 Hub. fxp2. fxp1. 60-80 sources. queue. fxp2 dummynet 1.536Mbits/s. Sink. Router. Traffic generator. fxp1. 100Mbits/s. )* @

(370) *1 ! 7 + 1/ * * ! ! . ,/ Æ =+ - +1 56 " C* Q 56 , " ! " "

(371)

(372) / < * * , ! ,/ C* Æ " +1 * &

(373) * - +1 ,/ , +-

(374) , +! & 1 "

(375) 1 . ! -

(376) ,/ * * , ! /% =+ * H ""1 9: $

(377) $ / <. " $

(378) " * )# H //. (. ! ). H ""1 , " . + 1 + +

(379) C/ ! ! " * ,

(380) 1. 1 - + / # 2 8 + ! *- , " 2 ! 1 ,/

(381) + . ! .LH. . , , >< 7</ >

(382) " 1 + C* + 3 8/ > " C

(383) ! 1 * 1 + "

(384) ! "+ !

(385) , - .

(386) / * "+ !

(387) , - *- , ! Æ * 1 1" "

(388)

(389)

(390)

(391) , * $

(392) "/ "+ !

(393) , " " ! *- + ,

(394) ! Æ * / -

(395) - +1 "+ !

(396) , + /. .

(397) (.

(398) . -!1 *

(399) , , " -

(400) * " -

(401) * #, 1 . , ) 9: / )* @

(402) ! * 1 , " . * * , ! / +

(403) .

(404) ,

(405)

(406) +1 / < "

(407) 2 + -!1

(408) +1 H ""1/ ; +

(409) !

(410) * "

(411)

(412) ,

(413) C

(414) &

(415) " ! - & . C /. (.

(416) Æ

(417)

(418). ! Æ * 3 !

(419) , " + " 1 - .

(420) 1 . "

(421) $ */ ) " &

(422) ! " E + 1

(423) +

(424) , "** *- /. .

(425)

(426)

(427) . + +

(428) $

(429) "& C

(430) * " !

(431) , * C / C ! Æ *

(432) , * / C .

(433) !

(434) , +* * * " 5 - " 3 6/ C *

(435) + / - * * ! + 3 / . J . . . 56. ! ! )* / L* * " ! " - + * + * $

(436) . 1 + / "

(437)

(438) ! 5 6

(439) / 5 * -. 1 ! 6 $

(440) . 1 + ! ; ;)) 3 " ; ! / & ;)) ! /% + * !

(441) ,/ < $ "

(442) ! C )* / C ! "

(443).

(444)

(445)

(446)

(447)

(448)

(449)

(450)

(451)

(452)

(453)

(454)

(455)

(456)

(457)

(458)

(459)

(460)

(461) .

(462) /* 012345 *$+. #&,(,,!)6)""!" 7 ++ $% 7. +4+ .*$+ $ + 8 *$+ *9 +:+$; * < 012345 7 *% ; +:+$ < $ + 7 + * ; >. $ +:+$ = "&( ;. )* N "8O + *. % " ! ) ' # (. $ " ! ) ' # ( , ? 6 @ " " ! ! ! ". ! ! ! " " !. " ! ! ! ! !. ! " ! " " ". " ! ! ! ! !. ! ! ! " " !. " " " ! ! ". ! ! ! " " !. " ! " " " !. ! ! ! ! ! ". )* Æ * C / 5 % "6 ! 2/ $ "

(463) & & & & D

(464) , C "

(465) / ! + !. +1 * " / & ! $ "

(466) &

(467) , C "

(468) & +

(469) , ! *

(470) / ! & "

(471) ! +- +

(472) / +

(473) C * - ! / ) $ "

(474) & "

(475) ! % " * &

(476) , 9 K %:Q 9 K % K :& / !

(477) , - & " / . , " +1 *

(478) "

(479) . * - +1

(480) , 1/ ! C + -& C

(481) !

(482) , 3 )* / * !

(483) ,

(484) 8 - &

(485) * * -* ! 1" . &

(486) - 1/

(487) &

(488) , ! D " / * " , + " +1 $ " "&

(489) ,

(490)

(491) * " +

(492) - 1/. .

(493) 3. 1. 7. 5. 9. 1. 2. timestep 1. 0 0. 1. 2. 3. 4. 5. 6. 7. 8. 9. 0. 1. 2. 3 source interval. 16ms. )* Æ * * ". Index of dispersion for intervals (IDI). 12. IDI’s for lab and simulation "idi_lab_75.txt" "idi_sim_75.txt" "idi_poisson.txt". 10. 8. 6. 4. 2. 0 1. 10 100 # consecutive interval (k) in log 10. 1000. )* H - !

(494)

(495) ! D . .

(496). < "

(497) ! C !

(498) , + - %/ M ! "& %/ M ! 2 " +1 "

(499) 1 * 8 " ! C / " "+ !

(500) , + 3 // L* C + " ! C $

(501) &

(502)

(503) ! " * !

(504) 1*

(505) C 1. .

(506) ! " ! Æ * 5* . 6& ,

(507) " E . * *

(508) 3 ! 18* 3 + - /. . Æ

(509)

(510). > $ !

(511) ! - & H 5 /6&. ! + Æ * / )* " + Æ *

(512) " 1

(513) ! Æ/ * +- " " , Æ / ; - 3 + @/ - *- ! . / *

(514) ! " & * D/ ". .

(515) 65 sources. 65 sources. 0.2. 1. MMPP model ns simulation Lab measurement. 0.18. 0.1. 0.16. Loss probability. 0.14 Loss probability. MMPP model ns simulation Lab measurement. 0.12 0.1 0.08 0.06 0.04. 0.01. 0.001. 0.0001. 1e-05. 0.02 0. 1e-06 0. 10. 20. 30. 40. 50. 60. 70. 80. 90. 100. 0. 10. 20. 30. Number of buffers 80 sources 0.3. 0.2. Loss probability. Loss probability. 50. 60. 70. 80. 90. 100. 90. 100. 80 sources 1. MMPP model ns simulation Lab measurement. 0.25. 40. Number of buffers. 0.15. 0.1. MMPP model ns simulation Lab measurement. 0.1. 0.05. 0. 0.01 0. 10. 20. 30. 40 50 60 Number of buffers. 70. 80. 90. 100. 0. 10. 20. 30. 40 50 60 Number of buffers. 70. 80. )* 7

(516) + + 1 ! ! "+ ! + 2 % 5

(517) 6& @ 5+ "6& 5 !6& * " 5*6/

(518) , ! + %/ ! " / Æ * 5 " 6

(519) + !

(520) *

(521) ,

(522) + .

(523)

(524) ! " ==.. " & " " " + ,/ . ! " . ,+ <H.= - * % "

(525) ,8 / % +1 ! -

(526) 1

(527) ,

(528) , 8 ! +1 * .& LH. .

(529) / C ! *

(530) )*

(531)

(532) ,

(533) + + 1 ! ! "+ ! + 2/

(534) *

(535) ! % + " ! @ / ! *

(536) * * " / > *

(537) .

(538) 3 buffers 0.16. 5 buffers 0.08. MMPP model ns simulation Lab measurement. 0.14. 0.06 Loss probability. 0.12 Loss probability. MMPP model ns simulation Lab measurement. 0.07. 0.1 0.08 0.06. 0.05 0.04 0.03. 0.04. 0.02. 0.02. 0.01. 0. 0 60. 65. 70. 75. 80. 60. 65. Number of sources 10 buffers 0.06. 75. 80. 40 buffers 0.045. MMPP model ns simulation Lab measurement. 0.05. 70 Number of sources. MMPP model ns simulation Lab measurement. 0.04. Loss probability. Loss probability. 0.035 0.04. 0.03. 0.02. 0.03 0.025 0.02 0.015 0.01. 0.01 0.005 0. 0 60. 65. 70 Number of sources. 75. 80. 60. 65. 70 Number of sources. 75. 80. )* 7

(539) + + 1 ! ! "+ ! & & + 2/ + ==.. " " * "

(540) . " " +/ $

(541) ! -1 ". + 2 8 ". / ==.. " " ! " + " " " & * / " 1 ! " D@ + 2/ > 18

(542) ! " Æ * + 1 "

(543) $

(544) / > ! ". 2 " . + $

(545) 2 / ! *

(546)

(547) )*

(548)

(549) ,

(550) + + 1 ! ! "+ ! - ! ! 2 + 2. * "

(551) ,/ + 2 *

(552) " $" " 3 * 1 ! /%& /D& / /D "&

(553) - 1/ > "" 1

(554) + "+ ! . ! ! + 2& + ! ! " ! " 1 + 2/ 0 +- ** $

(555)

(556) / * + - + 2& + " " ! * / # + + 2& . + " " - / .

(557) ; * ! -1 ". + 2& - + " ! + 2 *

(558) / - * - * * * * - " -

(559)

(560) & - + 2 $

(561)

(562) , / ; +- 2 " + 2 +1 H ""1 $ 1 " / L*

(563) ! ! + + M 2 +

(564) ! ""1

(565) " C* +

(566) - 1/ .

(567) " + +- " ! + 2* 1"& "

(568) 1 + 2 8

(569) , 5+ 6/ 1" " + 2 $ " 1

(570) 1"& ! $ "

(571) 3 + -

(572)

(573) / + 2

(574) ,

(575) / ! C* " 1" / - & + 2* 1"

(576) + + 1 * " " 1+ ! 2 1" "

(577) /.

(578) > -

(579) , + - "+ ! " * - "

(580) $ + , ,/ * C " " " + " ,/ > - "

(581) " " " " + = , - " . .

(582) 5==..6 = +/ " "

(583) + " * " " + - "/ "

(584) " *

(585) . / $

(586) ! ". " / < * " ! " "

(587) + " / "

(588) - 1 1 + 1 -!1 " " , " " ! 1"/ > !

(589) + . ! ! + 2 5 6& + , $

(590) ! " 1 5 + -6 + 2/ * ==..+ " . !

(591) * !

(592)

(593) - 1" . " + 2

(594) / " " " "

(595) ! - 1 " * , ,/ + - "

(596) 1. " . C " 1 / %.

(597) * + $

(598) " " "/ <

(599) )* , +& " " " 1 + " . + 1.

(600) 1 / "+ ! ! , " 1 */ " $" " 1 + +1 + 2 * 1"

(601)

(602) & + * " 1? > $

(603) "* * + ,/ ; . * 1 * * / $

(604) " 1" "

(605) Æ 1 ! 2- 9:/ B 2 3 *. * " 2 " * ! Æ ? ==.. " .

(606)

(607)

(608) + + 1

(609)

(610) ! Æ ? * * , + ! +

(611) * ! " + $

(612) " . 1 - !

(613)

(614) /. !

(615) "

(616) , , *

(617) + , ! B, <+ "

(618) * * H -

(619)

(620)

(621) / > , , " 0 * !

(622) *

(623) H ""1 * $ + * " " , + 1 "

(624) / ). 1 , , <# ! C

(625)

(626) 1

(627) ! ,/.

(628)

(629)

(630)

(631) 9: < < /

(632) 1 1 ! "

(633) $* !

(634)

(635) 1/

(636) & ! "

(637) & ( 1 / 9: < < / 1 ! "

(638) $* !

(639)

(640) 1/

(641) L/L/H/= . E

(642) .& H

(643) " ! = " & L

(644)

(645) L-1& ( 1 /.

(646)

(647)

(648) ! "# $

(649). %&'( $ &#&)*+ ,- % . /00 01 02

(650) 0

(651) . D.

(652) 9: H/ <,& H+ = & =/ =/ / 1 ! * 1" "

(653) / & %5@6@D@& ; + @/ 9: < # & # R! = 88& < -/ # 2 " * ! <= "

(654) $ " * 2 / (/ >/ H/ . ,& & ! " # $

(655) % " & '( ) Æ # *)#+&

(656) * @&

(657) . *& H" ,& ( / B. / 0 " ! B. "" /. 9: < # & # ! = 88& = 7 & < -& + >, / 7

(658) ! " 1 ! <= "

(659) $. *

(660) 2 / ),,, $ # & 56@@& <

(661) / 9%: '- ). ' 0 / " /

(662) & #, 1 L-1& @/

(663) / 9D: <. I / $ ) # /

(664) *0 *& S ,& / 9@: B 1 B2 H - =/ 7 / < = , - " 8 !

(665) ,8 - Æ "

(666) $

(667) ! " / ),,, $ # & <5%6@%@%D&

(668) "+ @%/ 9: "" L 5L6/ " 1" " & * "" " 3 1 !

(669) Q 1 " "/ "" I/& "" 8 ! L& I- & 8 & = / 9: - = 0 ( + / < # H

(670) , C < ! -

(671) ,

(672) / " ./ & #" &

(673) * %& H* & ! & ( 1 / L$/ 9: " * E & ( " )/ ' & H 1/ <

(674)

(675) $" 3 ! "

(676) *

(677) , C+ 2 - "

(678) $ / ),,, $ # & 56%@DD& <

(679) /. @.

(680) 9: ' & 0 ( + & 7$ F */ < + 2 - ! / !& # 1 ,& 7#7 L7<& -"+ D/ 9: 7/ 88 / H ""1 < "

(681)

(682)

(683) - ! ,

(684) / # # & D56& ( 1 D/ 9: (/ >/ +/ #0 112 " , $ 3 0"

(685) 4 / "" !

(686) "" & 7 $" + *& / 9: ' ,

(687) " > >/ 8*

(688)

(689) -

(690)

(691) , "

(692) $ ! - / ),,, $ # & <5%6@@%&

(693) "+ @%/ 9%: F* /

(694) 1 1 ! "

(695) $* !

(696)

(697) 1/

(698) 7B=<T@& H

(699) " ! = " & 7,

(700) * L-1& H"+ @/ 9D: * / )/ ,/ < " ! 1 !

(701) ,

(702) "

(703) $ " 1/ ),,, # & ;=%56D@& <

(704) @@/. .

(705)

No results found