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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0149820 (1988-01-29) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 329 인용 특허 : 0 |
An improved method and apparatus for routing data transmissions among computer networks. The computer networks are interconnected with a series of gateway circuits. Each gateway identifies all destination computers to which it is connected and identifies the path or paths to each destination compute
An improved method and apparatus for routing data transmissions among computer networks. The computer networks are interconnected with a series of gateway circuits. Each gateway identifies all destination computers to which it is connected and identifies the path or paths to each destination computer. For each identified path, the gateway stores the topological delay time for a transmission, the path bandwidth for the narrowest bandwidth segment of a path and a number corresponding to the reliability of the path. When a transmission is received, the gateway examines the various paths in accordance with a predetermined algorithm which also considers the channel occupancy of each path to determine a best path for transmision. The data transmission is then directed over the best path. If more than one path exists, the data may be directed in multiplex fashion over two or more paths with the amount of data on each path being related to the quality of the path. The routing information to destination networks is broadcast periodically by each gateway circuit to its neighboring gateway circuits.
A method performed by a processor for dynamically routing a data transmission in a network from a source computer to a destination computer with a gateway, comprising the steps of: identifying routing paths from said gateway to said destination computer; characterizing each of said paths by a vector
A method performed by a processor for dynamically routing a data transmission in a network from a source computer to a destination computer with a gateway, comprising the steps of: identifying routing paths from said gateway to said destination computer; characterizing each of said paths by a vector of metric values, each of said metric values corresponding to a characteristic of a path; transmitting said vector of metric values to a node in said network; computing a single composite metric from a first predetermined algorithm based on said vector of metric values; determining a best path from a second predetermined algorithm based on said composite metric; and directing said data transmission over said best path.
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