Dynamic firewall for NSP networks

Details Dynamic firewall for NSP networks Dynamic firewall for NSP networks

2008-02-15

2010-10-05

Ngo, Ricky (Department: 2464)

Multiplex communications

Data flow congestion prevention or control

Flow control of data transmission through a network

C370S231000, C370S237000, C709S238000, C709S224000, C709S245000

Reexamination Certificate

active

07808911

ABSTRACT:
Method for protecting an NSP data network against data overflow, according to which the NSP data network is divided to a protected sub-network and an unprotected sub-network. Connectivity to external data networks is allowed through the unprotected sub-network via a set of predefined controlled data ports. A maximum available bandwidth that can be processed by a user is determined for each user and maximal sub-bandwidth is allocated for each router. Whenever the data packet flow intended to the user exceeds the sub-bandwidth at one of the routers, the excess packet flow is filtered.

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