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TCP adaptation to EDS

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(1)TCP adaptation to EDS Benjamin Gaidioz, Pascale Primet. To cite this version: Benjamin Gaidioz, Pascale Primet. TCP adaptation to EDS. [Research Report] RR-5121, INRIA. 2004. �inria-00071462�. HAL Id: inria-00071462 https://hal.inria.fr/inria-00071462 Submitted on 23 May 2006. HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers.. L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignement et de recherche français ou étrangers, des laboratoires publics ou privés..

(2) INSTITUT NATIONAL DE RECHERCHE EN INFORMATIQUE ET EN AUTOMATIQUE. TCP. adaptation to EDS. Benjamin Gaidioz, Pascale Primet. N° 5121 February 2004. ISSN 0249-6399. ISRN INRIA/RR--5121--FR+ENG. THÈME 1. apport de recherche.

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(23)  . MA ”GK@eRZMggc?IeRQJˆ‰ZMgœHUQfKoXJQVHªˆ‰geŠ‰KHJHA´6QJ;c? Zgc?˜Gˆ¡QV; QJ;c? Š‰Zz˜©?!HUQ<Š‰ZHVH<XVKoQJ?M´ kO”GKzŒ‚QV?Xª;K™¤6ˆ‹gcr XVLcgPHJLeIeR?IHVH„ŒLcŠ‹Š‰T‘˜Gˆ‹QJ;cZLOQªŠ‰ZHVHJ?IHf“+dOLcXVˆ‹gcr M \M}/}v´K¯eRZgcgc?IeRQJˆ‰ZMg‡>@Zz¤M?!H+ŒXVZM> ˆ¡QfH¬eŠ‰KHJH i QVZPeRŠŽKMHVH i + 1 ”a:<;c?«eRZgcgc?!e•QJˆ‰ZMgœ>‡K™T eRZMgQVˆ‹g6Lc? QVZˆ‰geRXV?IKH„?!HGˆ¡QfHSeŠ‰KHJHGˆŽdO?IgQVˆ¡’4?X LcgQJˆ‰Š²ˆ‹QaXJ?!KMef;c?!H¾QV;c? ;cˆ‰rM;c?!HUQSeŠ‰KHJHI” c”<˜G;c?gœK@eRZgcgc?!e•QJˆ‰ZMg ?RNOb#?XVˆ‹?IgeR?!HGKŠ‹ZHJHGKMgddc?RQJ?!e•QfHGˆ¡Q!´cˆ‹Qa>Zz¤?IHªmKef ‡QJZ‡eRŠŽKMHVHAM” :<;?a}^~# %§ '¬®KoŠ‰rMZXJˆ‹QJ;c>µˆ‰H¾gcZoQY>@ZOdOˆ‹’?Id^”2:<;cˆŽH/[ULH„Q©eZMgHJˆ‰H„QVHYˆ‹g‡KMddOˆ‹grH„Z>?aHJb#?IeRˆ‹’4e<>‡KoXV 6ˆ‹gr XVLcŠ‰?IH<ˆ‰gœ}^~#/” class ← 1 date  last  drop ← now. º  ·QV;c?XV? ˆ‰HGdKzQVK¯QVZH„?Igd ¼ » H„?IgdPb4KMef M?QVH  dOXVZMb ˆ‰HSdO?RQV?Ie•QV?Id w v!· date  last  drop ← now class ← 1. ·" ¼ . class ← class + (date  last  drop − now ) ÷ (M ×  class > N  ! class ← N. w v·. ·" ¼  ·! ¼ º    · $'. \}/}. ). s $# » x  w  &%#| 1)KoXV 6ˆ‹gcr@H„QJXfKzQJ?IrMT@ŒZXa}^~#/”. ()*+,

(24) .-0/123-04+3

(25) . :<;ˆ‰HG>‡KMXJ 6ˆ‰gcrHUQVXVKoQJ?IrMT‡QV;KzQSeZMgHJˆ‰H„QVHaˆ‹gœ>@Zz¤6ˆ‹gr¯ŒXVZM> KeRŠŽKMHVHªQJZKogZoQV;c?Xa>‡K™TŠ‰?IKd QJZ‡bKef M?Q XV?ZOdO?IXJˆ‰gcr4”SW2KMef ?RQ¬XV?ZXVdc?XVˆ‹gcreIKog Š‹?!KMdQVZŒÀKo ?«Š‰ZHVH¬dc?RQJ?!e•QVˆ‹Zg Kog4dQJ;6LHHJbcLcXVˆ‹ZLHSXV?RQVXVKMgHJ>ˆŽH„¥ HJˆ‰ZMgHI”)–³g¿ZLcX«ˆ‰>@bcŠ‹?I>@?gQVKoQJˆ‰ZMg²´2˜ª?;K™¤?>@Z6dcˆ¡’?!d QJ;?ŒÀKMH„Q¯XV?RQVXVKMgHJ>ˆ‹Q«ZbOQJˆ‰>@ˆ‹š!KzQJˆ‰ZMg¿HJZ)QV;KzQ ˆ‹QdcZ?!HgcZMQ¯XV?IKe•Q«˜G;c?Ig%HJ?Š‰?Ie•QVˆ‹¤?PKMef 6gcZz˜GŠ‰?IdcrM?>@?IgQfH‡‘LHJLKMŠ‹Š‰T ˆ‰gdOˆŽeKoQJˆ‰gcr K)Š‹ZHJHf“ KMef 6gcZz˜GŠ‰?r?  LcˆŽef M?IXSbKef M?QVHI”:<;ˆ‰HCˆŽHCdcZMgc?m6T)ef;c?Ief 6ˆ‰gcr‡QJ;?@eŠ‰KHJHCKb4KMef M?Q¬˜<KMHCH„?IgQCm#?RŒZXJ?¯QJXVˆ‹rrM?IXJˆ‰gcrˆ‹QVH XV?RQVXVKMgHJ>ˆŽHVH„ˆ‰ZMg²”¯–—Œ<dcLcbcŠ‰ˆ‰eIKzQJ?!d %²6~ 5›ZOeeLcXJ?!dƒm#?IeIKoLHJ?ZoŒGKMef 6gcZz˜GŠ‰?IdOr>?IgQ¬ZoŒ< Lcˆ‰ef ?XbKef M?RQfH´ QV;c?g QV;c?ŒÀKMH„QGXJ?QJXfKogHJ>@ˆ‰HVH„ˆ‰ZMgˆ‰H<gZoQGQJXVˆ‰rMrM?IXJ?!d^”. MNM Âzáâ!ÍPO!Í.

(26) A. +&& 7H8 8  

(27) 8(D#) %'+ 0  +& (100,0.5). (100,1). (100,1.5).    .        .    . R1. n × 1.5 .

(28)   . R2. lvˆ‹rLcXV? k?2+½2NOb4?IXJˆ‰>@?gQVKMŠ²gc?RQU˜ªZMXV /”.   (100,0.5)         (100,1)         (100,1.5)      . I+ G¯

(29) 3 #!f

(30) ! :<;?KMŠ‹rZMXVˆ¡QV;c> ;KMHCm#??IgƒQV?IH„QJ?Id ˆ‰g†HJˆ‹>¯LcŠŽKzQJˆ‰ZMg§”–³gƒQV;c?@?RNOb#?XVˆ‹>@?gQ!´^˜©?@H„Lbcb4ZH„?¯QJ;4KzQ eZMgO¥ g?Ie•QVˆ‹ZgHYHJ;KoXV?aK Š‰ˆ‹g #´˜G;cˆ‰Š‹?SgcZ XVKMgdOZ> QJXfKzeaeXJZHJHJ?IH+ˆ‹Q¬‘QJ;c?¬Š‹ˆ‰gc m4?!eRZM>@?!HYeRZgcrM?!HUQV?Idm4N?!eKMLH„? ZMŒ2QJ;c? %§ '¬®%KMŠ‹rZMXVˆ¡QV;c>“•”:<;c?XV?«ˆŽH¬KH„ˆ‰gcrŠ‹?¯XJZLOQJ?IX¬˜G;cˆŽef;)ˆ‰>@bcŠ‹?I>@?gQ ?ˆ‹QJ;c?IX¬m#?IH„Q„¥—?RŸ/ZMXJQ‘&\^]c®§“ ZXa]c® _o” . . . . !#". $'. 0. 3

(31) %$'&!* (& ) -02. <: ;??RNOb#?XVˆ‹>@?gQfHSKoXV? XVLcgœZz¤M?IX<QJ;c?g?RQU˜ªZMXV HJ;cZz˜GgZMg’r4”#kO”G:<;c?IXJ? ˆŽHSKPH„ˆ‰gcrMŠ‰?XVZMLOQV?XGQV;KzQ¬ˆ‰H eXJZHJHJ?Id@m6TQJXfKzeSrM?g?XfKzQJ?!d@m6T}^~#PeRZMggc?IeRQJˆ‰ZMgHI”2:<;c?SmKMgdO˜GˆŽd6QJ;ZoŒ²QV;c?H„;KMXJ?!d@Š‹ˆ‰gc dO?Ib4?IgdcH ˆŽH bcXJZb4ZX„QVˆ‹ZgKoŠMQJZSQJ;c?ªg6Lc>«m#?X n ZoŒeZMgcgc?!e•QVˆ‹ZgH”v:<;cˆŽH§b#?XV>@ˆ¡QfH§QVZ¬K™¤ZMˆŽdXJLcggcˆ‹graQJ;?©?N6b#?XVˆ‰?ge? ˆ‰gœeRZ>bŠ‹?QJ?Š‰TLcg4dO?XR€™Zz¤?XJ¥&bcXVZz¤6ˆ‰HJˆ‰ZMgc?!deIKMHJ?IHI”v:<;? Š‹ˆ‰gc Pˆ‹QVHJ?Š‹Œ+;KMH<gcZ@bcXVZMb4KorKoQJˆ‰ZMgPdc?ŠŽK™TM” :<;c?IXJ?‡KMXJ?QJ;XJ?I?‡Š‹?I¤M?ŠŽHZoŒ<eRZgcgc?IeRQJˆ‰ZMgH˜Gˆ‹QJ; ?!KMef; QJˆ‰>?Kœdcˆ¡Ÿ/?XV?gQ Š‹ˆ‰gc Š‰KoQJ?g4eRTM”:<;?‡Š‹ˆ‰gc ŠŽKzQV?geT¢ˆ‰H?Iˆ¡QV;c?X 0.5 × L ´YZX 1 × L ´¾ZMX 1.5 × L ˜Gˆ¡QV; L m#?ˆ‰gcr†K ¤zKoXVT6ˆ‹gcr bKoXfKo>@?QJ?XZoŒ¬QJ;c? ?NOb4?IXJˆ‰>@?gQI” :<;c?ƒ]® _eZMgO’rLcXfKzQJˆ‰ZMgˆ‰HQV;c?ŒZMŠ‰Š‰Zz˜Gˆ‹gcr 2œ:<;c?XV?)KoXV? ;A A eRŠŽKMHVH„?!H”ž:<;c?)HJbKMeˆ‹gr m#?RQU˜ª??IgeRŠŽKMHVH„?!HYm#?IeIKoLHJ?aZoŒ²dOˆ‹Ÿ/?XV?geˆ‰KoQJˆ‰ZMg‡ˆŽH©eZMgH„QVKMgQ!”v:<;?XV?aˆ‰HªK XfKzQVˆ‹Z ZM+Œ *‘gcZMQ¬;A A“+m#?RQU˜ª??Ig QV;c?’XfHUQaKMgdQV;c? ŠŽKMH„QSeRŠŽKMHVH” –³gQV;cˆ‰H¬H„?QSZoŒ+?RNOb#?XVˆ‹>@?IgQ!´˜ª? ¤zKoXVTQJ;?g6Lc>«m#?X ZoŒYeZMgcgc?!e•QVˆ‹ZgHaKog4dPQV;c?ŠŽKzQV?geTPbKMXVKM>¯¥ ?QJ?IX L ”G:<;cˆŽHaŠ‰?IKdcHGQVZPK‡ŠŽKoXVrM? g6Lc>¯m4?IXaZoŒYXV?IHJLcŠ‹QVHGZgc?«n eKMgcgcZMQ¬H„;Zz˜ ?!KMHJˆ‹Š‰TMI” @†?«;K™¤?ef;cZHJ?g QJZ XV?bXJ?!H„?IgQ¾QJ;c?CXJ?!H„LŠ¡QfH¾Š‰ˆ‹g?IKoXVŠ‰TM´˜Gˆ¡QV;PgcZ;cˆ‰?XfKoXfef;T¯m4?QU˜©?I?gPQJ;c?C?RNOb#?XVˆ‹>@?gQfHF” @ ?CZMXfdO?IX¾QV;c?Cdcˆ¡Œ‚¥ Œ?IXJ?IgQ©eRZgO’rMLXVKoQJˆ‰ZMgH (n, L) HJZQJ;4KzQYQV;c?XV?aˆŽH¾Kog‡ˆ‰geXJ?!KMHJ?GZoŒ/QJ;c? ,Ub#?XJŒZMXV>‡Koge.? -‘ÀXVKoQJ?´MQVˆ‹>@?ZLOQVHI´ ?QVeM” “¯ŒXVZM> QJ;c?«\^]c®†b#ZMˆ‰gQaZoŒ+¤6ˆ‹?I˜ ” /¬g QJ;c?HVKo>@?rMXfKobc;§´O˜©?HJ;cZz˜ QV;c?gm#ZoQV;QJ;c? b#?XJŒZMXV>‡Koge? ZmOQVKMˆ‹g?Id˜Gˆ¡QV;œ\^]® KogdPQJ;c? b#?XJŒZMXV>‡Koge?ZMmOQfKoˆ‰gc?Id˜Gˆ¡QV;)]c® _o” . 1$32 3 - /4&2

(32) 5$3- 6& . lvˆ‰r6” H„;cZz˜aH¾QJ;?K™¤?XfKor?ag6Lc>«m#?X<ZoŒ§QJˆ‰>?IZMLOQfH<?RNOb#?XVˆ‹?IgeR?!d‡m6T}²~#PeZMgcgc?!e•QVˆ‹ZgH”v–—QGˆ‰HªZm¤6ˆ‰ZMLH QV;KzQ¾QJ;c?¬gL>«m#?X¾ZMŒ^QJˆ‰>@?ZMLcQVHYˆŽH©Š‹Zz˜ª?X2˜Gˆ‹QJ;]® _GQJ;KMg‡˜Gˆ¡QV;\^]c®2”2:<;cˆŽH©ˆ‰H©Kog‡?RNOb#?IeRQJ?Idˆ‹>@bcXVZz¤M?¥ >@?IgQYZmOQVKMˆ‹g?Id@m6TQV;c?a>‡KoXV 6ˆ‹gcr H„QJXfKzQV?rMT”§–—Q¾ˆŽH2ˆ‰>@b4ZX„QfKogQ2QJZ gcZMQJ?GQV;KzQ2QV;c?ag6Lc>¯m4?IXYZoŒ/QJˆ‰>@?ZLOQVH ύà M Ï).

(33) }²~# 

(34)   P]® _ 16 14. timeouts. 12 10 8 6 4 RED EDS. 2 0 0. 100. 200. 300 experience. 400. 500. 600. 400. 500. 600. rapport EDS/RED. 2.5 2 1.5 1 0.5 0 0. 100. 200. 300 experience. lvˆ‰rMLcXV? ?22: ZMb 2Y LKMgQVˆ¡QUTPZoŒ§QVˆ‹>@?IZMLOQfH”ªZoQJQJZ>22XfKzQVˆ‹Z‡]c®v_I€M\^]c®2” ˜Gˆ‹QJ; \^]c®œZXª]c®v_GˆŽH¾XV?ŠŽKzQVˆ‹¤?Š‰T«Š‰Zz˜žm4?!eKMLH„?S˜©?aL4H„?CK¤M?IXJT¯?ReRˆ‰?gQª¤M?XfHJˆ‹ZgZMŒª}²~#œ‘ÀeZMgHJˆŽdO?XVˆ‹gr Š‰ZHVHªXJ?!eRZz¤?XVTO“¾˜G;cˆŽef;ˆŽH<QV;c?« _ %²6~ 5^¥³}²~#P¤?XfH„ˆ‰ZMg§” $ .  - -+6",6&. lvˆ‰r”6p@H„;cZz˜aH¾QJ;?K™¤?XfKor?arMZ6ZOdObcLOQ<ZMmcQVKoˆ‰gc?!dPdOLcXVˆ‰gcr«QV;c??RNOb#?XVˆ‹>@?gQ!”¬H„ˆ‰gcr@m#ZoQJ;\^]c® ZMXa]c®v_z´ QV;c?ˆ‰XGˆŽHGgcZ@ˆ‹>@bcXVZz¤M?I>@?gQI” ( :<;c?XV?aˆŽHYgcZ¯ˆ‹>@bcXVZz¤M?I>@?gQYm4?!eKMLH„?Gˆ‰g‡QV;cˆ‰H© 6ˆ‹g4d@ZoŒ²gc?QU˜©ZXJ /´MHJ?¤?XfKoŠ}²~#‡eRZgcgc?!e•QJˆ‰ZMg4HYeKMg LHJ?¬?‡eˆ‹?IgQJŠ‰T@QJ;c?Cgc?RQU˜ªZMXV @KogdP˜©?eRZLcŠ‰dgcZoQ<?RNOb#?Ie•QGKogˆ‹>@bcXVZz¤M?I>@?gQ¾ZoŒ§QJ;c?CLHJ?CHJˆ‹>@bcŠ‰T ˜Gˆ¡QV;œK@>@KMXJ 6ˆ‰gcr@HUQVXVKoQJ?rTM” ( :<;c?<ŒÀKMeRQ2QJ;KoQ2QJ;c?aH„QVKMgdcKMXVddO?¤6ˆŽKzQVˆ‹Zg¯ˆŽH2Š‰Zz˜©?IXvˆŽHYdOL?<QJZQJ;?GXJ?!dOLeR?!dgL>«m#?X2ZoŒ#QJˆ‰>@?ZLOQVH ‘ÀHJ??¯QJ;c?gc?NQ HJ?Ie•QVˆ‹Zg4“aKMgdœQV;c?ŒÀKe•QCQJ;KoQ¬QV;c?@HUQVXVKoQJ?rTbXJZMQJ?IeRQVHCeRZgcgc?IeRQJˆ‰ZMgH¬˜G;cˆŽef;ƒ>@?RQ ˆ‰HVHJLc?IH<Zgc?\M}/}ƒHJZ6ZMgc?IXI”. MNM Âzáâ!ÍPO!Í.

(35) +&& 7H8 8  

(36) 8(D#) %'+ 0  +& *. quantite transferee. 60000 50000 40000 30000 20000 10000. RED EDS. 0 0. 200. 400. 600. 800 experience. 1000. 1200. 1400. 1600. 1200. 1400. 1600. 1.2 rapport EDS/RED. 1 0.8 0.6 0.4 0.2 0 0. 200. 400. 600. 800 experience. 1000. lvˆ‹rLcXJ?p 2+: ZMb2Y L4KogQJˆ‹QUTZoŒvm6TQV?IHªQVXVKMgHUŒ?IXJ?!d^” ª ZoQ„QVZM> 22XfKzQJˆ‰Z‡]c® _!€o\^]c®Y”  . . . &.  ,+  + +

(37) &2

(38) - . lvˆ‰r”zjSHJ;cZz˜ QV;c?ªH„QVKMgdcKMXVddc?¤6ˆ‰KoQJˆ‰ZMgZMŒcQJ;?©g6Lc>¯m4?IX ZMŒm6TQV?IH QJXfKog4HUŒ?IXJ?!dmTeZMgcg?Ie•QVˆ‹ZgHI”CXfKobc;H HJ;cZz˜žQV;KzQGQV;c?H„QVKog4dcKoXfddc?¤6ˆ‰KoQJˆ‰ZMg ZMmOQfKoˆ‰gc?Id˜Gˆ‹QJ;)]c® _ˆ‰H<Š‰Zz˜©?IXªQJ;KMg ˜Gˆ‹QJ;)\^]c®Y”  

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(55) 2´§A *4‘p6“ 2 cAp : k >c´A >**c” . MNM Âzáâ!ÍPO!Í.

(56) Unité de recherche INRIA Rhône-Alpes 655, avenue de l’Europe - 38330 Montbonnot-St-Martin (France) Unité de recherche INRIA Futurs : Domaine de Voluceau - Rocquencourt - BP 105 - 78153 Le Chesnay Cedex (France) Unité de recherche INRIA Lorraine : LORIA, Technopôle de Nancy-Brabois - Campus scientifique 615, rue du Jardin Botanique - BP 101 - 54602 Villers-lès-Nancy Cedex (France) Unité de recherche INRIA Rennes : IRISA, Campus universitaire de Beaulieu - 35042 Rennes Cedex (France) Unité de recherche INRIA Rocquencourt : Domaine de Voluceau - Rocquencourt - BP 105 - 78153 Le Chesnay Cedex (France) Unité de recherche INRIA Sophia Antipolis : 2004, route des Lucioles - BP 93 - 06902 Sophia Antipolis Cedex (France). Éditeur INRIA - Domaine de Voluceau - Rocquencourt, BP 105 - 78153 Le Chesnay Cedex (France).   

(57).   . ISSN 0249-6399.

(58)

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