Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2005-03-22
2010-06-15
Abelson, Ronald (Department: 2619)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S466000, C726S011000
Reexamination Certificate
active
07738468
ABSTRACT:
A characterization method for a network address translation (NAT) device by an internal computer behind the NAT device includes creating a plurality of sockets; binding the plurality of sockets, respectively, to a plurality of ports; transmitting a plurality of STUN requests in user datagram protocol (UDP) packets to a plurality of STUN servers, wherein each STUN request is associated with one of the sockets; determining that the NAT device does not support UDP packets if responses are not received from the STUN servers; and determining a set of NAT characteristics of the NAT device if a response is received from each of the STUN servers.
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Depallens Philippe
Erbes Ken
Standridge Aaron
Zimmerman Remy
Abelson Ronald
Logitech Europe S.A.
Townsend and Townsend / and Crew LLP
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