ZXBIV IPTV MDP Operation Manual
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The edge node achieves programs via program distribution
and Cache mechanism.
2. Multiple-central nodes structure is shown in
.
F
IGURE
16 M
ULTIPLE
-C
ENTRAL
N
ODES
S
TRUCTURE
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The central nodes store programs.
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Each central node distribute programs to other central
nodes.
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The edge node directly provides service to users.
�
The edge node achieves programs from the corresponding
central node via program distribution and Cache mecha-
nism.
3. Meshed structure is shown in
F
IGURE
17 M
ESHED
S
TRUCTURE
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Each edge nodes store programs.
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Each edge node directly provides service to users.
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