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Specification and Validation of a Network Security Policy Model

PARTITION INTERNAL

PARTITION

EXTERNAL

PARTITION INTERNAL

PARTITION

EXTERNAL

PARTITION

EXTERNAL PARTITION INTERNAL PARTITION INTERNAL

Internal Transfer

Export

Import Key:

deliver

message analyse

information & add

add seals authorise &

add seals

authorise &add seals

authorise &

transfer to another partition generate

message

add seals authorise &analyse

information & add

analyse

information & add Partition A

Partition B

Key:

Security Enforcing Function Other function

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