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Regional Access
Network
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-consists of regional access zones
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-is separated from core network by routes,
firewall filters and IP addressing selection (e.g. private/grey addresses) in
routers
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-this also conserves IP addresses
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-user will have a fixed (meaning the user gets
the same IP address all the time) real address or dynamic real address from
the pool when they establish the VPN connection from their terminals
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-users are usually clients of the operator x so
there exists client – service provider relationship
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Regional Access
Zone:
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-consists of several access points connected to
a (wireless) router
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-may be located behind a wireless link
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-access points filter the traffic based on for
example MAC address
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-when the WLAN device wants to join to access
point, the access point asks authentication server if this MAC address is
allowed to join
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