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Abstract

Method for transmitting a unique high-rate digital data flow over n multiple different independent digital communication channels between two different primary terminal adapters. The method involves the steps of establishing, on request of a first DTE to a second remote DTE, a set of n independent digital communication channels between said terminal adapters and determining, during an initialization phase, the relationship between the slot of each channel used for the building of an aggregation superchannel and the chronologic order of the establishment of the considered slot. Then, the high-rate digital data flow is separated into bytes and each byte is transmitted through the independent digital channels in accordance with the chronologic order which was previously assigned to each of the said channels. In the remote DTE, each byte of the separated high-rate data flow is received through the different independent digital channel and is loaded in a single memory at an address which is computed from the following formula: A(n)=A(n-1)+n Where A(n-1) corresponds to the address in which the preceding byte conveyed through the considered channel is stored, and n corresponds to the number of digital channels established. Therefore, each channel works independently and there is no need to measure any delay between the channels. The memory storage will contain at continuous addresses the high-rate data flow. Applied to an ISDN, fractional T1 or multi-channel E1, the method provides an aggregate link operating a nx64 kpbs.

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