H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/56 (2006.01) H04L 12/18 (2006.01)
Patent
CA 2126916
- 18 - ABSTRACT The resequencing device resequences information packets of an information stream transmitted from a transmitter station (IWU1) to a receiver station (IWU2) over a network (SMDS). This information stream includes first packets which may be received in the receiver station out of sequence with respect to each other or with respect to second packets which are always received in sequence. The network is for instance a Switched Multimegabit Data Service network where the first packets have a group address and are transmitted from the transmitter station to the receiver station and to other receiver stations (IWU2, IWU3) belonging to the same group, and the second packets have an individual address and are transmitted from the transmitter station to the receiver station. The transmitter station includes a counter circuit (C1) providing a counter value and a processing circuit (P1) which assigns the counter value to the second packets and the counter value incremented by one to the first packets. In this way the sequence numbers of the first packets form an ascending monotonous series and the second packets have sequence numbers equal to the sequence number of the preceding first packet. Based thereon the packets can easily be resequenced by a second processing circuit (P2) located in the receiver station, and which therefor uses a second counter circuit (C2), a timer (T) and a buffer (B).
Alcatel N.v.
Robic
LandOfFree
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