Multiplex communications – Wide area network – Packet switching
Patent
1991-03-28
1993-04-06
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 941, H04J 316
Patent
active
052009521
ABSTRACT:
Method and system for establishing call connections for information transmission between a multiplicity of subscribers as components of traffic in an integrated services network (ISN), in which plural subscribers are located at different endpoint nodes of the ISN, the ISN includes transit nodes interconnecting separate links of the ISN, and the information traffic consists of a multiplicity of media types according to the different subscribers including voice, video and data traffic component types. Call connections are established as virtual circuits (VCs) between subscribers among the various endpoint nodes of the ISN as necessary to accommodate desired information transmissions. A plurality of traffic component types in the form of portions of information streams to be transmitted from subscribers at an endpoint node of the ISN to subscribers at others of the endpoint nodes during respective call connections between subscribers, are assembled into each of a sequence of composite frames of variable size for transmission through the ISN, with each composite frame transmitted between a fixed pair of the endpoint nodes. A logical connection is anchored at each endpoint node of the pair as a virtual circuit path (VCP) between them to accommodate a multiplicity of VCs therebetween. The location of the VCP anchor is shifted at the endpoint node to adapt to changes in the information traffic pattern for subscribers thereat.
REFERENCES:
patent: 5008882 (1991-04-01), Peterson et al.
patent: 5014262 (1991-05-01), Harshavardhana
Bernstein Simon
Jurkevich Mark
Hom Shick
Olms Douglas W.
Sprint International Communications Corp.
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