a1aH1uaa1I9
`
`
`
`DATACOMMUBIICATIONS
`NETWORKING DEVICES
`ii‘.-re “E
`*' Fotirth Edition
`
`% %
`
`
`
`i
`
`Operation,
`’ Utilization and
`LAN and WAN
`
`E
`
`E ___%__% Internetworkingi ' J
`
`\
`
`
`
`WILEY
`
`,
`
`ARRIS EX. 1006
`
`

`
`BOOKS BY GILBERT HELD, PUBLISHED BY WILEY
`DATA COMMUNICATIONS
`
`l E
`
`UNDERSTANDING DATA COMMUNICATIONS
`From Fundamentals to Networking
`Second Edition
`
`This comprehensive. introductory text offers a fundamental understand-
`ing of the role, operation and utilization of communication devices and
`facilities. Ideal tor both the data communications student and the protes-
`sional telecommunications engineer. this foundation text will appeal to
`anyone who wishes to gain a detailed knowledge of the evolution and future
`otcommunications.
`1995 0 4?1 96820 K
`
`DATA COMMUNICATIONS NETWORKING DEVICES
`Third Edition
`
`This popular and authoritative text evaluates the networking products that
`can be used in the design. operation and optimization of a data communica-
`tions network. Ftellecting the many technological advances in thefieid, this
`unique book covers over 30 networking devices.
`1992 I3 4?1 93072 5
`
`DATA AND IMAGE COMPRESSION
`Tools and Techniques
`Fou rth Edition
`
`Considerably expanded. this fourth edition explains how practical data and
`image compression techniques are vital for efficient, low—cost transmission
`and data storage requirements. The book takes into account the advances in
`this area, including image and fax compression.
`1996 0 4?1 95247 B
`
`

`
`FRAME RELAY NETWORKING
`Covers all aspects of Frame Relay Networking. from the evolution and ratio-
`naietoarchitectureandequipment.
`1999 O IIT1 EJIISTB 3
`
`INTEFINETWOFIKING LANs AND WANs
`Concepts, Techniques and Methods
`Second Edition
`
`lnternetworking is one of thefastestgrovving markets in thefield ofcomputer
`communications. However. the interconnection of LANs and WANs tends to
`cause significant technological and administrative difficulties. This updated
`version provides valuable guidance, enabling the reader to avoid the pitfalls
`and achieve successful connection.
`1998 0 H1 97514 1
`
`THE MULTIPLEXER REFERENCE MANUAL
`
`Designed to provide the reader with a detailed insight into the operation, uti-
`lization and networking of six distinct types of multiplexers. this book will
`appeal to practising electrical. electronic and communications engineers.
`students in electronics, network analysts and designers.
`1993 0 471 93484 4
`
`PRACTICAL NETWORK DESIGN TECHNIQUES
`
`Many networkdesign problems are addressed and solved in this informative
`volume. Gil Held confronts a range of issues including through-put pro-
`blems, line facilities. economic trade-offs and multiplexers. Readers are
`also shown how to determine the numbers of ports, dial-in lines and chan-
`nels tc install on communications equipment in order to provide a defined
`level of service.
`1991 O 4?1 92933 7 (Set)
`
`Please refer to the back of the book for further details
`
`

`
`
`

`
`DATA COMMUNICATIONS
`
`NETWORKING DEVICES:
`OPERATION, UTILIZATION AND
`LAN AND WAN INTEFINETWORKING
`
`Fourth Edition
`
`

`
`
`
`

`
`DATA COMMUNICATIONS
`
`NETWORKING DEVICES:
`
`OPERATION, UTILIZATION
`AND LAN AND WAN
`
`INTERNETWORKING
`
`Fourth Edition
`
`Gilbert Held
`
`4—Degree Consulting
`Macon, Georgia
`USA
`
`Chichester - New York - Weinheim - Brisbane - Singapore - Toronto
`
`JOHN WILEY & SONS
`
`

`
`C:)p_\'1'ig|1t
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`I"
`
`IQSEI. 198‘), I992, 199*} l:»'_x' john \\'ih:'_\' 8: Sons Ltd
`l321ffiI1s: l.;mu_ CI1ich:':e;tc1'.
`\\"t-st Sussex l"('lI'-J 1L"D.
`Nmional UIZ-L: 1:9???
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`[+44] 1243 TF9?”
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`i..'l.l'.:i1'Ul'l'lL‘I' ::eI'\'icu: clmtuiric:-3}: 1.‘.S-hl'}[)1{'5-K--‘:'\\'i1t‘}'.l.'0-Uk
`L‘-mail LI'nrm'L!er.~_:m1L|
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`
`.'\'o part oft]1is publiczltinn tnay be I'epr0L|1u‘.u:ci. =i’fU1‘l—‘d in -‘i ri'fI'iE‘\'=!] S}'SfUI11, 0]‘
`All 1‘iJ‘.:]'1lS rusr:r\'L=Li.
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`21
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`UK, \\'ithr>ut Lhu pL‘]'I'I'Ii!-3}iiIJI'I
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`pL11'ch'.1::cr of the pubIic'.1tinn.
`
`Xu:1'thL-r the d.I.ltIIl.J1'!~'- nnr jnhn \\'ilcy Li‘ {'5t)n:= l.t-;1;LL:L'L-pta1‘J_\' rt:-.<p:.::Ir-3i|)ili1_\' or Ii21|1i1it_v f:;1'1u$s or damage
`U£:cz1si::::1cn| In any |)¢=1‘;-nan or p1'nper'r_\'
`thr:JI.i;__'|I Lusing 111:‘
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`in:=t1‘L1ctinn:-2, mt.-rhnd:= or ideas
`(‘untnincd he1‘ei1‘1.0I'eIcti11gurrefraining from acting :ts21resu]tu{":-stlch u:-:9. The-:luthn|'s:1I1d I-’ubIi5h\‘re<
`cxp1'u::s1_\' Llisttlatilaa all itnpliucl \\'211'I'E1l]tit'S. int-.IuLli1'1}_: nu-.1'(;11‘dt1t:Il‘1:'|1't}' nftitncss for am)‘ pztrlitrular purpose.
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`F)c_=sigt1atinI15: ucied b_\'('ompar1i<'s In Liirztingtlish 1'ht_'iI'['|I‘UdI.lCT$iI1'i.‘lJr1l")'] rinilned as ll'£1dl_'l'I'I'rl]'kS. In all
`instz1I1ce:: xvhcn-juh:1\\'i]c}'& firms is a\\'::rt- of :1 claim, lhn: product names appear in illiliul C&l}1iI;'1I luttcrs.
`RL’aIdt:I'R. hm\':.-\'(.=1', should cement! the uppwp:-izirr: companies f[JI'ITl(JI't'L'Uln])|I.‘1(_‘ ittfrarnmlirrlm regarding
`rradumaI'ks anti I'L=gist:';:tinI1.
`
`Other lI"h"c>_\'
`
`.":'c."r'r.-Mina’ I'.)_ffi{'c.\'
`
`John \\'i1Lry &' 50:15, Inca. GUS Third .-\\'cnm:,
`:\'::\\' Yurk, l\"I'
`l[I|5?.\'-I'][H?..
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`\\'ILEY—\‘(_‘II \':31'|:L.t: Cimbll. I":lpp(:]al1L-c 3,
`l.)—f)‘H-ft‘) \-\'ciI‘|lu-'m1. (iwnmny
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`_I2:cuI'z1:1d;I \V'il::_\' L1{'l. 33 I"-ark Road. Milttm,
`f__lLJm"nslat1d ~H1(')-‘F.
`:\L1:;L|';1]i:I
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`john \\‘il:.-y & :'ir1n+: {_L.'a{1-a(1'.:',1 Ltd. 23 \\‘nrL‘u.-‘.2-'.I1:r Road,
`RcxLIz1]c_ (}nt2Irir.} .\1‘}\\' EL}, (_'ur1ari;a
`
`john \\'i1c}' & ."5n11.~'- E.-\.~si::} Pris Ltcl. C.'imm:nli Loop #113411.
`Jin King l)i:<tri[):n'l~L. S"Ht‘lg.']p{}I‘I_’
`l2‘}.‘>ih‘]*}
`
`Libaray of Congress Cataioging-in-Publication Data.
`H1.‘-Id, (.iiIhu1‘t_ 194-3-
`: upemtion. utilizzttizan.
`l.)dtil L‘mTm1LI11iL':Lli:.:n:+ m-t\\-nrking :_tc\'icL-5:
`and I..—\;\' and \\'.-\N i|1te|'net\\'01'kinj_=,I'
`,3’ Gilbert I'[c1L|. — -lrh rd.
`p.
`cm.
`InL'1L1LIe:: imlex.
`ISBN 0-471-‘JTSI5-X (alk. pelpcr]
`I. (.'nmpL1te1' net\\'<:1'ks.
`3. C:JInpI.It(>.r :1:-Iunrks-—FIqL|i;m1cnt and
`supplies.
`3. Data II‘:|I1>:111isesi1':11 e=}'stmn3_
`[_ Title.
`'l'l{5|i.J5.5.|I-H 1998
`("IE")-l_{u—dc2I
`
`‘.l>§—2T20[]
`CH’
`
`British Library CamIogm'ng in Publication Data
`
`A catalogue I't‘L‘tJTli for this bunk is ax-'z1i|:IhIc frmn the |%riti:s|1 l.i|n'ar}'
`ISBN 0 -H1 97S1:'s—X
`
`'l‘)'pr:scI in llJ,’]2p1 imprint by 'l'hm11.~'nn l’re.us {India} Ltd, New Delhi. India
`Pri|1tcL{ and lmund in (ireut Britain |::_\' Hnnkcraft (Bz1th} Ltd
`This bowl: is p1'ir1tt.'d um mid-frur; paper :'espt)n>si1’J1)'n1am:f:1c:n.1r1:L| frnrn aztlswuinilblu.-1 forestry, in which at
`iuaeu two [rm-.9. are planted t'o|'c-.1ch une LI!-3f.’d fur paper production.
`
`
`
`

`
`To Be?:c+1'I_1v, _§"r.Im:fi"1an and _?‘eS5.*'.:‘a
`for .fher'r patience mzrJ’er3£cmc2.’:Eng mm’ sr.:ppm-‘r—-
`I love you as’!
`
`To Dr Aflexmrde-r Ioffe a:zdj1<n»;::.'r’_1.-' of M'r;scrozc—
`co11gr'at-ulatirms on next _\-‘ear in _‘7e3'usa£em beizzg €a(.‘h'
`_1..rem'.*'
`
`

`
`
`

`
`
`
`
`
`CONTENTS
`
`Preface
`
`Acknowledgements
`
`1.
`
`Fundamental Wide Area Networking Concepts
`
`CommLI11icatir.)ns E5-_vsteIn Co1np-gments
`1."!
`1.2 Line C.'m1nL‘r:tions
`IJ(.-clicatcd lim-
`Lu.::I:scd line
`S\&'it(.‘i‘lL'.(I
`linu-
`Cnrst trt,-mls
`[“-.1t':l'<:r:-‘. tn ::m1Hid<’l'
`
`1.3
`
`1.4-
`
`1.5
`
`'1'}-'pes of Sen-'ices and 'l'ra11s;mission Devices
`Digital I‘(‘p(-.‘L'lt:’.‘I‘:-‘-
`linipulnr and bipolar :-figtialing
`Other digital] szigrrialing m1.=1hm'|s
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`l_.'nipnl:u' 1'L'tI.Irn to zero
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`'I‘cI‘mina1 and rmiinfraiiie cmnpiltter capcemtiums
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`xxiii
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`
`

`
`viii
`
`CONTENTS
`
`'1 .6 Types of '1"ran-.-xrriission
`1.? Line .‘.3t1'LIctu1'e
`'l'_\'ptes; 01' line SH'l.lL‘1L1I't‘:
`1’ni111-tr:—pninI
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`1.‘) Nct\\'m'1< '1‘np010g}'
`1.10 'l'ren1:m1is3i-:n1 Rate
`.'—\m:|ug SL‘]‘\‘1(.‘(‘.
`Di;_ri1a1 5u:1'\‘ic::
`1.11 T'1‘e111smissi011 Codes;
`.\1r)rsL- cmle
`B£IL1L1t)t code
`BCD cucle
`1‘:B{.'1)1C'. L'{J(1E
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`Cmlc c.::'m\‘::1'si<.m
`1.12 Elrrm‘ Detection and Correction
`.-\sync1n'on:m.-s :ransmissim1
`1'urit_\' c11ec1<in;.:
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`LT}'c1iL: ccacies
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`CONTENTS
`
`Rationale Ihr du:\'cl0pmenl
`Eiigmz-1| Llefinirimn;
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`R‘:3—232 (;'.1|)ling_r tricks:
`Plugs and jacks
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`Terminal and data link protocols
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`
`165
`
`

`
`CONTENTS
`
`l\J
`
`'1.-.4
`
`l\.J
`
`') .5
`
`Wide Area Networks
`()\‘t3I'\'ie\-\'
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`Ciru;‘.L1it 1‘a'\\‘itcht*.L1 Nct\\'urL.~.‘~
`l"‘1'L‘L}l1t'!'H..“\' L'ii\'ision :nL|itipicxiI1_:1
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`Thv 'i'('_'i’x'|I’ ST.1'Lll.‘l'll]'t'
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`
`
`
`

`
`CONTENTS
`
`_
`
`2.6
`
`t-i<‘r\'icv:.
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`\‘1.:r:i:'l)]'] FJ1"]L'I
`I--I1.~.1dc1' 1:.-ngth and mm] 1;-ngrh IiL:|L'le-;
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`.‘.'iL1bn::r l'IT:151-(S
`[Jermain _\.='21mu-
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`TCP,-’If’ co|1figuJ'ati0n
`IP\"(l
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`E‘-L‘.-i{._.'P
`Xct\\'r)rk nmlrs.
`Thu }'}h_\"HiCflE Lmir.
`The lngli-:11 unit
`_\I11|EipI:c :-arv.\s>3ir.m L"cl[')';ll3i1it}'
`SN.-'\ nL't\\-'o1'k structure
`'l'ypes of p}1_\':sic::1 units
`Multiple dm112Iin~.~‘
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`F'}1_\'-ciirsul and d-.11-‘I link |:|_\'cr.~'
`Path 1':::nI1'(J|
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`The .-\'l"-.\I CC“ lu-ar]c|'
`A'T_\I c.<:m1L'-ctiuns and cell .~',-\\'irching
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`Review Questions
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`3. Local Area Networks
`3.1
`Ox-'cr\-'iew
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`CONTENTS
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`5
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`
`4.
`
`-1.1
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`Wide Area Network Transmission Equipment
`
`.—'\::0ustic C-()ll])]I..‘I'.‘-‘u
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`Basic c<>n1pr_mcm.~;
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`xvi
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`I-f_\'tcmder operation
`Iixte-11:16:‘ components
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`Review Question
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`5.
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`LAN Internetworking Devices
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`5.] Bridges
`Basic ()}'.H:‘l":itin1“I
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`Comparison to bridges
`Nt:l.'\\'I'J1‘k layer operations
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`Routing protocols
`Handling I1()n—t'o1.1tahlL‘. protocols
`Communications p|'otoa‘.r)l:-‘.
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`5.3 Gateways
`("J vt=.-rvicw
`i\'Iainl'r2:mr.‘ access
`Control Lmit asonmrctii-'it}'
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`5.4- LAN Sn-'itL:h¢:s
`C0n\'t'.nti01‘1al hub bottlenecks
`EtheI'net hub 0|‘Jl.'I'-';IIl(1I1
`'Tol:cri—Ring hub o|‘:er:1tion
`H()tl'll.'I‘I(‘Cl\' CTL:&I1'lU]1
`Switcliing operations
`lizlsic components‘.
`Key eldvatntagtss oi" use
`Delay times
`S\\'itc:}1ing tt-:chniques
`CrU:s.\a—point switching
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`A'[‘_\'I crmt-titierations
`5.5 Access E-le1'\‘ers
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`[_'tiliz1‘iti:'m
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`Review Questions
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`6. Wide Area Network Data Concentration Equipment
`liquipnient sizing
`(1.1 Multiplexers
`Hvoliition
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`Device stlpport
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`IBM 37-‘I-5
`IBM 37-1-E1
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`.\-'I0dem- and Line—s.l1:'n'i11g Units
`A similar device
`Opuatirm
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`\’\"|1c11 to 17m1si(|uI'
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`Upcraticm and l.l:§':Igl_‘
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`
`Specialized Devices
`7.
`7.1 Data Cmnmunicutimus Switches
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`xx
`
`CONTENTS
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