Data processing: structural design – modeling – simulation – and em – Simulating electronic device or electrical system – Circuit simulation
Reexamination Certificate
2007-07-03
2007-07-03
Rodriguez, Paul (Department: 2123)
Data processing: structural design, modeling, simulation, and em
Simulating electronic device or electrical system
Circuit simulation
C370S235000, C709S228000
Reexamination Certificate
active
10990303
ABSTRACT:
A system and method for simulating network connection characteristics by alteration of a network packet. In general, the method of the invention includes providing a driver that is capable of accessing all outgoing and incoming network packets and altering a network packet to simulate a connection characteristic of the network. In particular, the method of the invention includes receiving a network packet, assigning a new, simulated network address to the network packet and performing modification of the network packet to simulate certain network connection characteristics (including, for example, transmission delay, limited bandwidth, packet dropping, packet fragmentation, packet duplication and packet reordering). The system of the invention includes a modification module for altering certain characteristics of a packet. The modification module is capable of mapping a new, simulated network address to a network packet, modifying a propagation characteristic of the network connection, and altering an additional packet characteristic.
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Craig Dwin McTaggart
Fischer Craig S.
Lyon & Harr L.L.P.
Microsoft Corporation
Rodriguez Paul
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