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Technische Universitt MnchenLehrstuhl fr Kommunikationsnetze
Prof. Dr.-Ing. W. Kellerer
A D E EC A:
/G
15..2013 DE/IGF 5.2.4
A B K
H
K H
ED
, G
, , G
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Future network requirements?
: H,
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Why change the current EPC architecture?
C EC
I
I
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What do NFV and SDN bring to the mobile core?
A
+
+
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EPC potential for virtualization?
D
B
2
H CF C
5/8
1
E
E
10
1
G
6
7 G
G
G
11
4
GG
EC E, H, CF, ...
F EC : G G
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What are the study steps?
/
( 1.3)
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G / G AAI
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S-GW and P-GW Analysis
C
A
D F
D F
G
C F
G G 3G
E /, , A , ..
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EF EAIAI F
DEIED FCI
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C
A
DF
D F
G
C
F
D
F
I
2 F 1.0
2 3G 23.203, , 2010
OpenFlow Realization of Derived Functions
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Charging (Offline and Online) Frameworks
CD
F
F F
F C
F F
CD
D
a) Offline charging
C C
F F
F C
F
C
E
F E
:
D
b) Online charging
C C
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GTP Matching Frameworks
) )
) + ) +
()
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DECED FCI
DEE ACHIECE
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Functions deployment possibilities?
1)
+
+
+F
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G
B
+
2
5
1E
E
10
1
4
G
4
I D
11
Functions deployment possibilities?
2)
F
+
+
+
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Functions deployment possibilities?
4)
+
EC
+
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Conclusion
?
EC : G G
D EC
A F :
) C
)
) E+ H
) E+
D EC
F ,
E
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/G
KI
F
C
G/
/
F
Outlook
:
C
E
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?
A.B, . K, . H, K. H, E.D. , A D E EC:
A: / , IEEE D4F, , 2013
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Functions deployment possibilities?
1)
A
D
+
+
+ F
()
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Functions deployment possibilities?
1)
A
D
+
+
+ F
()
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Functions deployment possibilities?
2)
F
+
+
+
()
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Agenda
I
EC A: G G F
D/F E D F
D EC A
C
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What do NFV and SDN bring to the mobile core?
A
A
/
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EPC Analysis
G G
C
A
D F
D F
G
C
F
/
()
()