Method and apparatus for admitting data to a digital telecommuni

Details Method and apparatus for admitting data to a digital telecommuni Method and apparatus for admitting data to a digital telecommuni

1996-06-10

1998-09-29

Olms, Douglas W.

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

370234, 370468, H04J 322

Patent

active

058154914

ABSTRACT:
For each of a plurality of sources, which has a peak transmission rate p, the cells coming from the source are stored in a FIFO access buffer memory; reserves (R.sub.1, . . . , R.sub.i, . . . , R.sub.n) of tokens are allocated to the source, the reserves having respective determined token capacities (M.sub.1, . . . , M.sub.i, . . . , M.sub.n) and replenishing at respective rates (r.sub.1, . . . , r.sub.i, . . . , r.sub.n) verifying r.sub.1 >. . . >r.sub.i >. . . >r.sub.n and ##EQU1## a first cell is sent as soon as each reserve contains a number of tokens that is at least equal to the length of the cell, at a transmission rate corresponding to the bandwidth of the network; all reserves are decremented by a number of tokens corresponding to the length of the cell; once the first reserve R.sub.1 is exhausted, the message continues to be sent automatically at the replenishment rate r.sub.1 until the second reserve R.sub.2 is exhausted; and thereafter the message continues to be sent automatically at successive decreasing rates corresponding to the replenishment rates r.sub.2, . . . , r.sub.n.

REFERENCES:
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patent: 5577035 (1996-11-01), Hayter et al.
Roberts, J.W., Bensaou, B., Canetti, Y. --"A traffic control framework for high speed data transmission" --IFIP Transactions C-15 : Modelling and Performance Evaluation of ATM Technology, North Holland, 1993.
IEEE Infocom '93. The Conference on Computer Communications Proceedings. Twelfth Annual Joint Conference of the IEEE Computer and Communications Societies. Networking: Foundation for the Future (Cat. No. 93CH3264-9), San Francisco, CA, USA, 28 Mar.--ISBN 0-8186-3580-0, 1993, Los Alamitos, CA, USA, IEEE Comput, Soc. Press, USA, pp. 376-383 vol. 1, XP 000419753-Hartanto, V.F. et al., "User-network policer: a new approach for ATM congestion control".
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