H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/56 (2006.01) H04Q 11/04 (2006.01)
Patent
CA 2130356
The transfer of data packets are monitored in a line having various logical channels. For each logical channel there is a count value (L i) and at the arrival of a data packet or in each time slot, when the transmission on said line is time multiplexed, i.e. for each tame, when a packet could have arrived in a time multiplexed system, only said count value (L m) for a single channel (m) is decremented. Then it is determined whether said received data packed, if there is one, is to be forwarded or is to be lost, by the comparison of a calculated value (F n) to a threshold value (T n) belonging to the channel (n), to which said packet belongs. In the calculation of said discrimination value (F n) the number of those channels is used, which have not been decremented after decrementing the channel (n), to which the received packet belongs. In this way the calculated value (F n) can be made to resemble the calculated value or level value, which is used in prior methods for handling loss of packets in a network. For each received packet this method requires only a decrementing of one count value (L n), implying a significant saving of time and a simplification of the circuits used for carrying out the method.
Larsson Leif Mikael
Sallberg Hans Krister Mikael
Nicolaescu,sawyer
Telefonaktiebolaget Lm Ericsson
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