Mechanisms for accessing unique features of telephony networks f

Details Mechanisms for accessing unique features of telephony networks f Mechanisms for accessing unique features of telephony networks f

1995-04-28

1997-10-07

Ramirez, Ellis B.

Boots, shoes, and leggings

G06F 1700

Patent

active

056740034

ABSTRACT:
In a computer video conferencing system it is often necessary to transmit multiple channels of information between remote computers, such as a video channel, an audio channel and data sharing channel. A socket based transport interface can be utilized to establish communication channels between remote computers over a connection oriented telephony network. A plurality of sockets are created at each endpoint, one for each type of data stream to be transferred between the computers. The sockets are formed into a group to indicate to the computer transport service provider that the data streams from the sockets can utilize the same telephony connection, and a quality-of-service specification is associated with the socket group so that the telephony connection can be established according to the requirements of the socket group. If a new data stream needs to be transmitted and there is already a telephony connection established, a new socket is created and added to the existing socket group. If the newly added socket significantly affects the quality-of-service requirements of the socket group, a new quality-of-service may be negotiated with the telephony network.

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yang et al.; "Cell Scheduling And Bandwidth Allocation For Heterogeneous VBR Video Conferencing Traffic." Globecom 1995 Communications For Global Harmony 1995.
Anastasi et al.; "service integration in crma: a simulative analysis"; infocom 1993.
Delgrossi et al.; "HEITP-A Transport Protocol For ST-II"; Globecom 1992.

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