Multiplex communications – Wide area network – Packet switching
Patent
1991-02-14
1993-12-14
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370119, H04J 324
Patent
active
052710092
ABSTRACT:
A packet data and a header added to a head of the packet data for specifying a transfer condition of the packet data are divided together to data blocks (DBs) each having a designated data length, consisting of an initial DB including the header and an initial part of the packet data, intermediate DBs each including an intermediate part of the packet data and a last DB including a last part of the packet data, so as to be transferred to a data transfer destination in a data processor of a switching system in accordance with write commands for the initial, intermediate and last DBs respectively, and a read command for asking whether the DBs are correctly transferred is sent to the data transfer destination once, after the DBs are transferred. When the DBs are transferred, the packet data is restored at the data transfer destination only by synthesizing the transferred DBs and removing the header.
REFERENCES:
patent: 4704606 (1987-11-01), Hasley
patent: 4926416 (1990-05-01), Weik
patent: 4991172 (1991-02-01), Cidon et al.
patent: 4999835 (1991-03-01), Lagoutte
patent: 5007045 (1991-04-01), Tsuzuki
Hatano Takashi
Mitsuze Kiyohumi
Morita Sumie
Nara Takashi
Takano Ryouzi
Fujitsu Limited
Kizou Hassan
Olms Douglas W.
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