Electrical computers and digital processing systems: multicomput – Remote data accessing
Patent
1998-02-02
2000-03-14
Meky, Moustafa M.
Electrical computers and digital processing systems: multicomput
Remote data accessing
G06F 1300
Patent
active
060385944
ABSTRACT:
Low-cost, high performance access is provided to a group of Internet service providers (ISPs) not convenient to a high volume Internet exchange point through a flexible hybrid terrestrial-satellite Internet communication system. Asymmetric hybrid circuits, that combine satellite and terrestrial backbone technologies, are used to handle asymmetry resulting from low volume requests and high volume responses. A user request is coupled via routers and servers to a point of presence (POP) on a group ISP backbone network. The ISP's backbone couples ISP's POPs to a terrestrial gateway location, which is coupled to a high volume ISP peered with other high volume ISPs. Requests are directed to the high volume ISP through a POP on the backbone of the high volume ISP. Responses from the high volume ISP are routed to a hybrid network provider. Responses packets are translated into permanent virtual circuits (PVC) by a router. The high volume ISP is instructed to advertise response packets with high priority and reference toward the satellite uplink. Response packets are transferred to the group ISP or ISPs based on the type of transmitted information. In the hybrid network provider POP, switch devices impose a committed information rate on each PVC, which has a guaranteed minimum bandwidth for its associated PVC. The hybrid network provider POP delivers the PVCs to the satellite link, which transmits signals incorporating all the transmitted PVCs via satellite and satellite downlink to each group ISP. Routers coupled to each POP of each such ISP, filter the received PVCs so that responses are delivered to the closed POP to the location of a corresponding request.
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Jacobson Thomas
Liebowitz Burt H.
Puente David S.
Float Kenneth W.
Loral CyberStar, Inc.
Meky Moustafa M.
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