ipv6 vs ipv4 routing protocols

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    TABLE OF CONTENTS:

    CONTENTS PAGE NUMBER

    1. Introduction --------------------------------------------------------------------------------- 3

    2. Differences between Ipv4 and Ipv6 ------------------------------------------------------ 4

    3. Support of Ipv6 for Existing Routing rotoco!s --------------------------------------- "

    3.1 RIv2 ------------------------------------------------------------------------------------ "

    3.2 #S$ ------------------------------------------------------------------------------------- "

    3.3 IS-IS -------------------------------------------------------------------------------------- "

    3.4 EI%R ------------------------------------------------------------------------------------ 6

    3." &%v4 ------------------------------------------------------------------------------------ 6

    3.6 IDR -------------------------------------------------------------------------------------- 6

    4. Iv6 Routing rotoco!s ---------------------------------------------------------------------- '

    4.1 RIng ------------------------------------------------------------------------------------- '

    4.1.1 ()aracteristics of RIng ----------------------------------------------------------- '

    4.2 (isco EI%R ----------------------------------------------------------------------------- '

    4.3 #S$v3 ----------------------------------------------------------------------------------- '

    4.3.1 ()aractersistics of #S$v3 -------------------------------------------------------- '

    4.4 *&%-4 --------------------------------------------------------------------------------- +

    4.4.1 ()aracteristics of &%-4 ------------------------------------------------------------ +

    ". (onc!usion ------------------------------------------------------------------------------------- ,

    6. References -------------------------------------------------------------------------------------- ,

    LIST OF FIGURES:

    1. $igure 1.1 Datagra forat for Iv4 ------------------------------------------------------- 3

    2. $igure 1.2 Datagra forat for Iv6 -------------------------------------------------------- 3

    1 S/0* R0EE &0& 0I 5134,20

    *Sc E7#R8 (#*I%

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    1. Introduction:

    Ip v4 and Ipv6 are t)e versions of I9 w)ic) are used as t)e ediu or t)e support to

    counicate wit) ot)er )osts. )ese versions are ain reason for t)e routing of t)e data pac:ets

    a!ong t)e networ:. #SI and (;I ode!s provides t)e counication functions in different

    !a

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    2. Diffrnc! "t#n I$%& 'nd I$%(:

    I4 I6

    1. 0ddress It is 32 word !ong. It is

    represented in octadecia!.

    0ddress of I4 consists of

    etwor: bits and )ost bits9

    w)ic) are dependent to c!asses

    of address. (!asses are defined

    based on t)e etwor: bits 09 &9

    (9 D and E.

    It is )exadecia! word

    consisting of 12+ bits. I6

    a!so consists networ: and )ost

    bits but are of fixed si=e 64 bits.

    &ut t)e )ost bits are eit)er

    *0( address or interface

    nuber;idenntifier. I6 adress

    representation is cop!icated

    t)an I4

    2. 0ddress 0!!ocation &ased on t)e (!ass!ess Inter-

    Doain Routing >(IDR?address a!!ocation are ade.

    0nd a!so address are assigned

    as per (!asses of t)e networ:

    Internet 0rc)itecture board

    >I0&? and Internet Engineeringas: $orce >IE$? ade soe

    recoendations to

    organi=ations and individua!s

    a!!owed a subnet of ;4+ as

    prefix !engt).

    3. D@( I4 supports D@(. #btains

    I address autoatica!!< or

    d

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    or *0( address9 I4 uses

    0R

    support for 0R. $unctions t)at

    are inc!uded in I(*6 are

    eig)bour discover< and

    state!ess auto configuration.

    15. I )eader I )eader si=e is variab!e.

    engt) of 25 to 65 b

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    SeBuence nuber in essages is aintained b< t)e IS-IS w)ic) wi!! be increented b6 bits?9 !iit t)e inforation t)at

    can be transitted 9 and t)e aount of space for a !in: is on!< +-bit va!ue 9 to reduce t)e nuber of

    records is a router can announce 2"6. ext is a tec)nica! prob!e t)at deand for t)e iS-IS is

    bound #SI9 is a uc) s!ower growt) and respond to c)anges suc) as #S$.

    ).& EIGRP

    EI%R is a distance vector protoco! and is a interna! routing protoco! ip!eented b< (isco

    S

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    3. supports u!tiprotoco! routing.

    IDR s)are essages using t)e sip!e datagra services w)ere IDR a!so a!!ows u!tip!e

    protoco!s copared to &% it supports sing!e address protoco!s.

    &. IP*( Routin, Protoco-!:

    1. Interior Routing rotoco!s

    1. RIng

    2. (isco Eigrp

    3. #S$3

    2. Exterior Routing rotoco!s

    1. *-&%4

    &.1 RIPn,

    Ripng is a distance vector routing protoco!s based on t)e &e!!an-ford a!gorit). Ripng ca!cu!ate

    routes b< s)aring of its inforation. Router discover< ec)aniss are provided b< t)e Ipv6.

    Routers connected to RIng router are referred as direct!< connected routers.

    *etric used in RIng is an integer9 w)ose va!ue is in between 1 to 1". If etric

    va!ue is 169 w)ic) indicates not reac)ab!e destination . S

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    +. v3 supports protoco! processing er-in:. ot b< per I-subnet in v2

    ,. supports u!tip!e instances per !in:.

    15. ()ange in aut)entication et)ods9 A0u

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    /. Conc-u!ion:

    Ipv6 is sip!er t)an subnetting. It is easier since )ave separate )eader and for u!ticast

    address. I4 uses on!< broadcast addresses to broadcast a!! adresses w)ere as in Ipv6 uses an