Point-to-point communication using UPnP protocol

Details Point-to-point communication using UPnP protocol Point-to-point communication using UPnP protocol

2006-12-30

2010-11-16

Meky, Moustafa M (Department: 2457)

Electrical computers and digital processing systems: multicomput

Remote data accessing

Using interconnected networks

C709S227000, C370S352000

Reexamination Certificate

active

07836150

ABSTRACT:
A first device in a first local area network (LAN) searches for a first Universal Plug and Play (UPnP) enabled router with a first public network address. If found, the first device obtains the first public network address of the first router and configures a first mapping table of the first router to associate several ports number to the first device. These actions may be repeated by a second device in a second LAN for a second UPnP enabled router with a second public network address and several ports number. The two devices then connect through a secondary communication channel (e.g., a telephone network) to exchange networking information. The two devices then use the networking information to establish a computer network connection over a public computer network that couples the first and the second LANs for point-to-point communication.

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“Universal Plug and Play Device Architecture,” version 1.0, Jun. 8, 2000, downloaded on Dec. 28, 2006 from http://www.upnp.org/download/UPnPDA10—20000613.htm, pp. 1-52.

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