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CONTENTS
INTRODUCTION
HOW DO SATELLITES WORK??
TYPES OF ORBITS
HOW SATELLITES ARE USED??
OPERATION OF SATELLITES
THREATS FOR SPACE NETWORKS
PROTECTION MECHANISMS
CONCLUSION
REFERENCES
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INTRODUCTION
S$%''(%) $* )+(-($'' /$ -* %'//3($%(3 +*+). T $* ) -* /5
$++'($%(3) ) $) //3($%(3 % )(+), 6('), +'$3), $3' %*/(3$') $3 -TV $3 *$( 5*$$)%(37.
T $* *)+3)(5' -* +*6((37 %) )*6() % $3 $))(73 *7(3 $*$ 3 % $*%
T +* $3 5$3(% - %) )$%''(%) +3 +3 % +*-** )(; - %
-%+*(3%, /+'
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INTRODUCTION(cont..)
S$%''(%>) $3%33$ +$%%*3) +'$ $3 (/+*%$3% *' $3 /)% 5 )(73 % 5)% 6* %
)(73$% 77*$+($' $*$ ( () 73*$'' (**7'$* (3 )$+. S$%''(%) )' 5
)(73 5 =+(37 (3 /(3 (%) )$5('(% -* )*% $3 '37 %*/ --%) %*7% (%) '(-
%(/.
T $*% )%$%(3 )' 5 (3 $ +)(%(3 % 3%*' % )$%''(% (- (% *(-%) -*/ (%) *5(% (%
() )5@% % $3 =(3 - *$7 -*/ %
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HOW DO SATELLITES WORK??
1. A E$*% S%$%(3 )3) /))$7 (3GH; *$37. U+'(3=
2. S$%''(% R(6 $3 *%*$3)/(%
)(73$') 5$=. D3'(3=
?. O%* E$*% S%$%(3) *(6/))$7 (3 )-' )%*37% $*$."%+*(3%
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TYPES OF ORBITS
GEO: G)%$%(3$* E$*% O*5(%
MEO: M(/ E$*% O*5(%
LEO: L E$*% O*5(%.
19#09#2014SECURITY,PRIVACY AND TRUST IN SATELLITE COMMUNICATION
R)*: %%+:##./+(./#14248220#11#4#?!2#$7
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GEOSTATIONARY EARTH ORBIT
O*5(% () )3*3) (% % $*%) *%$%(3.
"*/ % 7*3 % )$%''(% $++$*) -(
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GEOSTATIONARY EARTH ORBIT(cont..)
ADVANTAGES
A GEO )$%''(%>) ()%$3-*/ $*% 7(6) (% $ '$*7
6*$7 $*$, $'/)% $
-*% - % $*%>)
)*-$.
GEO )$%''(%) $6 $ 24
* 6( - $ +$*%('$*
$*$. T) -$%*) /$= (% ($'
-* )$%''(% 5*$$)% $3
%* /'%(+(3%
$++'($%(3).
DISADVANTAGES
A GEO )$%''(%>) ()%$3 $')
$) (% % $6 5% $
/+$*$%(6' $= )(73$' $3 $
%(/ '$ (3 % )(73$', ( ()
5$ -* +(3% % +(3%
//3($%(3.
GEO )$%''(%), 3%* $56
% $%*, $6 (--('%
5*$$)%(37 )(73$') % 3$*
+'$* *7(3)
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MEDIUM EARTH ORBITS
MEO) *5(%) 5%3 % $'%(%) - !,09,!00 /(').
T) *5(%) $* +*(/$*(' *)*6
//3($%(3) )$%''(%) %$% 6* % N*%
S% P'.
U3'(= % (*'$* *5(% - % 7)%$%(3$* )$%''(%), MEO) $*+'$ (3 $3 ''(+%($' 6$')$+ *5(%.
A++*
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MEDIUM EARTH ORBITS(cont..)
ADVANTAGES
A MEO )$%''(%>) '37*
*$%(3 - 6()(5('(% $3
(* -%+*(3% /$3)
-* )$%''(%) $*
3 (3 $ MEO 3%*=
%$3 $ LEO 3%*=.
DISADVANTAGES
A MEO )$%''(%>) ()%$3
7(6) (% $ '37* %(/
'$ $3 $=* )(73$'
%$3 $ LEO )$%''(%,%7 3% $) 5$ $) $
GEO )$%''(%.
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LOW EARTH ORBITS
LEO )$%''(%) $* / ')* % % $*% %$3 GEO
)$%''(%), *$37(37 -*/ !00 % 1,!00 =/ $56 % )*-$.
LEO )$%''(%) 3>% )%$ (3 -(
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LOW EARTH ORBITS(contd..)
ADVANTAGES
A LEO )$%''(%>) +*
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HOW SATELLITES ARE USED??
S*6( T+)"(
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OPERATION OF SATELLITES
T*$3)/())(3
R+%(3
L N() C36*%*
P'$*(;$%(3
T3*
A3%33$)
19#09#2014SECURITY,PRIVACY AND TRUST IN SATELLITE COMMUNICATION 14
%%+:##.(3$(./#@*3$')#/+#201?#-'$%)#4?28#%/53$(')#4?28.-(7.00!%.@+7
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THREATS FOR SPACE NETWORKS
TRAFFIC REDIRECTION ATTACK!
T $%%$=* /$ )3 $ -$= 5(3(37 +$% /))$7 % % CN '$(/(37 %$% $ 36(%(/ $) $37 (%) $*- $*)) % (%) /6/3% % $ 3 '$%(3.
C3)3%', % CN ('' )%$*% )3(37 +$=%) % % 3 CA $3 % 6(%(/ 3
3% 7% $3 %*$--(.
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THREATS FOR SPACE NETWORKS(cont.
MAN!IN!THE!MIDDLE ATTACK!
T $%%$=* /(7% )3 )+- 5(3(37 +$% /))$7
% % CN %''(37 (% % +$% % $ 3%* % (%) 3
$%%$=*>) IP $*)). C3)3%', % CN ('' )%$*% )3(37
% +$=%) % % $%%$=* (3)%$ - % S$%''(%. T $%%$=*
/$ '$*3 % 3-(3%($' (3-*/$%(3 - % /))$7, /$
/(- % +$=% 5-* -*$*(37 (% % % S$%''(%. T),
% $%%$=* /(7% $% $) $ man-in-the-middle 7%%(37 % $'' (/+*%$3%
+*(6$% $%$ )%(3 % % 6(%(/ )$%''(% 6(
(%% % =3'7 - % 3*3 +$*%().
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PROTECTION MECHANISMS
R"t#$n Ro#t%&''t *$otoco!
O3 /$@* 3*3 -* )*(% (3 )+$ 3%*= () % ) - 3$%3%($% $3 -*75(3(37 +$%). T +*63% ) $%%$=), $3 3 )3(37 $ 5(3(37 +$% /)% +*6 (%)
*(7% % *(*% % %*$--(. T() $++*$ - RR () ) 5-* $ 5(3(37 +$% /))$7 ()
)3% % CN, $3 % $*
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PROTECTION MECHANISMS(cont..)
IPS"c!I3 ** % +*%% $7$(3)% $%%$=) %$% $* 5$) 3 )+- 5(3(37 +$%),
IPS +*%'), ) $) A%3%($%(3 H$* AH +*%' $3 E3$+)'$%(37
S*(% P$'$ ESP +*%' $3 5 (3*+*$% (% /5('(% +*%') (3
)+$ 3%*=).
C"$t'+'c%t" &%,"d %**$o%c-!A3%* $ - $%3%($%(37 BU () % *%(-($% 5$) $++*$ $3 (%*'() 3 (7(%$' )(73$%* % $%3%($% 5(3(37 +$%) * % )* -
% 5(3(37 +$%. T CPU $3 //* *(*/3% -* %() %+ $++*$
() )$'' (7.
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CONCLUSION
I3 %() +$+*, $6 ())) % IP)*(% ())) *'$%(37 % )+$ 3%*=). W $
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REFERENCES[1] V. Devarapalli, R. Wakikawa, A. Petrescu, and P. Thubert, “etw!rk "#bilit$ %&"#' basic
supp!rt pr!t!c!l,( R)* +-+, an /00.
[/] D. !hns!n, *. &. Perkins, and . Arkk!, “"!bilit$ supp!rt in 2Pv-,( 2&T) R)* +33, une /004
[+] 5. 6!li7an, *. *astelluccia, 8. &. "alki, and 9. :ellier, “5ierarchical "!bile 2Pv- 7!bilit$
7ana;e7ent %5"2Pv-',( 2&T) R)* +
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ANY UERIES??
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SECURITY,PRIVACY AND TRUST IN SATELLITE COMMUNICATION
22