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31. 发明专利

JP2001230810A PACKET FLOW CONTROLLER AND ITS METHOD 失效
公开(公告)号：JP2001230810A
公开(公告)日：2001-08-24
申请号：JP2000037937
申请日：2000-02-16
申请人： FUJITSU LTD
发明人： KAWASAKI TAKESHI , SOMIYA TOSHIO , NAKAMICHI KOJI
IPC分类号： H04L12/815 , H04L12/56 , H04L12/24 , H04L12/26
摘要： PROBLEM TO BE SOLVED: To provide a packet flow controller in the Internet or the like that can control a packet flow by each packet control unit with less hardware. SOLUTION: The packet flow controller is provided with a packet storage buffer means, a transmission time decision means that has a counter means to decide a transmission time of a packet, and a transmission sequence control means that manages a packet transmission sequence. The transmission time decision means is provided with a memory means that stores a parameter to regulate a changing state of a count of the counter means by each control unit to independently control a packet flow, obtains the transmission time of a received packet on the basis of the parameter of the same control unit as the received packet read from the memory means when the received packet is written in the buffer means, transmits this transmission time to the transmission sequence control means and updates the parameter of the same control unit of the memory means on the basis of this transmission time.

32. 发明专利

JPH07336351A DEVICE AND METHOD FOR DISCRIMINATING TIME-OUT 失效
公开(公告)号：JPH07336351A
公开(公告)日：1995-12-22
申请号：JP12880494
申请日：1994-06-10
申请人： FUJITSU LTD
发明人： KAWASAKI TAKESHI , KAMOI EDAMASU
IPC分类号： H04L12/70 , H04L29/06 , H04L29/14 , H04Q11/04 , H04L12/28
摘要： PURPOSE:To provide an inexpensive time-out discrimination device with simple constitution. CONSTITUTION:When an event to be the discrimination start of time-out is generated, an event discrimination part 10 outputs the respective pieces of communication information relating to the respective pieces of communication to a calculation part 22. The calculation part 22 calculates the time-out time for the respective pieces of the communication based on the respective pieces of the communication information and the generation time of the event and writes the time-out time in a time storage part 30. A comparator 24 compares the time-out time for the respective pieces of the communication read from the time storage part 30 with the present time and discriminates that the time- out is generated for the communication after the time-out time.

33. 发明专利

JPH05344006A 失效
公开(公告)号：JPH05344006A
公开(公告)日：1993-12-24
申请号：JP15206392
申请日：1992-06-11
申请人： FUJITSU LTD
发明人： KAWASAKI TAKESHI , NISHI TETSUYA , HAYAMI SHICHIRO , MUKAI HARUO , KUROYANAGI TOMOJI , HAJIKANO KAZUO
IPC分类号： H03M13/00 , H04L1/00
摘要： PURPOSE:To simplify the circuit configuration by inputting directly an inputted code word to a remainder arithmetic operation means so as to use the circuit in common. CONSTITUTION:A remainder arithmetic operation means 1 calculates a residue of an input code word subjected to change through part of rewrite divided by a generation polynomial. An exclusive OR means 2 takes exclusive OR between a check bit in the changed input code and an output of the remainder arithmetic operation means 1. Then a selection means 3 uses an output of the exclusive OR means 2 as a new check bit of the changed input code word to generate a new code word. That is, a level '1' in the residue obtained in the output of the remainder arithmetic operation means 1 indicates that a check bit at a relevant location is changed through the part of rewrite and then the check bit of this location is inverted by the exclusive OR means 2 to obtain a new check bit. Thus, it is not required to make all of check bit parts of the inputted code word and a code word check section and a code word generating section are formed by a common circuit.

34. 发明专利

JPH05227155A CONNECTIONLESS MESSAGE CHARGING SYSTEM FOR ATM NETWORK 失效
公开(公告)号：JPH05227155A
公开(公告)日：1993-09-03
申请号：JP2392492
申请日：1992-02-10
申请人： FUJITSU LTD
发明人： TAKECHI RYUICHI , KAWASAKI TAKESHI , NISHI TETSUYA , MUKAI HARUO , HAYAMI SHICHIRO , HAJIKANO KAZUO
IPC分类号： G06F13/00 , G06F15/16 , H04L12/14 , H04L12/70
摘要： PURPOSE:To provide the accurate charging by calculating the charging for the connectionless message based on the message length. CONSTITUTION:The system consists of cell conversion means 1 (1a and 1b) converting and splitting the connectionless message data sent from the LAN into at least one asynchronous transfer mode (ATE) cell, ATM exchanges 2 (2a and 2b) for ATM cell exchange processing via a transmission line 4, and connectionless servers (CL server) 3 (3a and 3b) connected to each ATM exchange 2 and having a message processing section and a charging section. In a CL server 3. the message processing section analyzes the address of the connectionless, information in connectionless cells to manage the routing for connectionless cell by means of a message ID. On the other hand, the charging section calculates the charging for the connectionless message based on the connectionless message length.

35. 发明专利

JPH0514388A BAND CONTROL SYSTEM FOR ATM NETWORK 失效
公开(公告)号：JPH0514388A
公开(公告)日：1993-01-22
申请号：JP15933491
申请日：1991-07-01
申请人： FUJITSU LTD
发明人： KAMOI EDAMASU , KUROYANAGI TOMOJI , HAJIKANO KAZUO , TAKECHI RYUICHI , KAWASAKI TAKESHI
IPC分类号： H04Q3/00 , H04L12/28
摘要： PURPOSE:To control the increase of momentary traffic to reduce abandonment of cells by reading out cells in a storage means with periods of proportions corresponding to declared bands to smooth and output burst cells. CONSTITUTION:Input cells from a communication line are separated in accordance with set VCI numbers by a separating means 1 and are stored in cell storage means 2. Data corresponding to band declaration values declared for respective VCI numbers are preliminarily set to a control means 5, and cells are read out from cell storage means 2 at each timing and are multiplexed by a cell multiplexing means 4 and are outputted to the communication line. Since cells are read out with periods of proportions corresponding to declared bands in this manner, cells are outputted at speeds in declared bands and burst cells are smoothed and outputted. Consequently, the increase of momentary traffic is controlled to reduce abandonment of cells. Further, a maximum cell storage value setting means 3 is added to adjust the abandonment volume of cells.

36. 发明专利

JPS55102054A FAILURE INFORMING SYSTEM 失效
公开(公告)号：JPS55102054A
公开(公告)日：1980-08-04
申请号：JP902479
申请日：1979-01-29
申请人： FUJITSU LTD , NIPPON TELEGRAPH & TELEPHONE
发明人： AWAJI TOSHIO , ENDOU KAZUMI , KAWASAKI TAKESHI
IPC分类号： G06F11/30 , G06F11/00
摘要： PURPOSE:To reduce the failure from the production of a failure to its detection, by giving specific address and failure informing address to one processor among a plurality of processors. CONSTITUTION:A plurality of processors CC#1-CC#n and one or more peripheral control unit PU#1-PU#m are connected on the same bus 6, and each processor and peripheral unit has specific unit address. Since specific unit address and failure informing address are given to either one of the processors, each processor and peripheral control unit designate the failure informing address to the bus 6 when a failure of the unit itself and delivers the failure information. Accordingly, the processor having the failure informing address receives the failure information, then the time up to the detection can be reduced.

37. 发明专利

JPS5537007A OBSTACLE MONITORING CONCENTRATION MANAGEMENT SYSTEM 失效
公开(公告)号：JPS5537007A
公开(公告)日：1980-03-14
申请号：JP10956778
申请日：1978-09-08
申请人： HITACHI LTD , NIPPON TELEGRAPH & TELEPHONE , OKI ELECTRIC IND CO LTD , NIPPON ELECTRIC CO , FUJITSU LTD
发明人： OKAJIMA KEISUKE , KAWASAKI TAKESHI , TAKAHASHI HIDEO , YAMASHITA YOSHIO , AWAJI TOSHIO
IPC分类号： H04M3/08 , H04M3/22 , H04Q3/545
摘要： PURPOSE:To carry out the rapid and precise detection of the obstacle by concentration monitoring flip flop for informing the obstacle correspondingly provided to the respective communication passage device and the communication passage device control processor. CONSTITUTION:When the failure is generated in the communication passage device 11, 12..., and the communication passage device control processor 71, 72..., the indication of the respective failure or obstacle causes is given to the failure communicating flip flop 21, 22... OR of a plurality indication bits of the respective failure causes corresponding to the respective FF21... is taken out by OR circuit 51, 52... and the output thereof is pulled into the failure concentration management FF60, thereby the concentration and the gradation of the monitor point are performed and the monitoring of the communication passage system can be done only by the monitor of FF60. The monitoring is done by one processor of the exchange processor groups.

38. 发明专利

JP2003124977A CHECK SUM REWRITER 审中-公开
公开(公告)号：JP2003124977A
公开(公告)日：2003-04-25
申请号：JP2001320958
申请日：2001-10-18
申请人： FUJITSU LTD
发明人： KAWASAKI TAKESHI , WATANABE NAOTOSHI , HIRATA HIROYASU , MORIMOTO JUNICHI
IPC分类号： G06F11/10 , H04L12/70 , H04L12/951 , H04L29/06 , H04L12/56
摘要： PROBLEM TO BE SOLVED: To provide a header converter which curtails the time required for recalculation of the check sum performed at header conversion. SOLUTION: This check sum rewriter is equipped with a conversion means which converts the value of a specified field excluding the check sum field of a header in case that a packet having at least one header provided with a plurality of fields including check sum fields is inputted, a differential value storage means which stores the differential value of the check sum being computed, using the values before and after conversion of the above specified field converted by the above conversion means, and a rewriting means which rewrites the value of the check sum field of the header of the packet where the value of the specified field is converted by the above conversion means into a new value, using the differential value stored in the above differential value storage means.

39. 发明专利

JP2001249866A NETWORK WITH DISTRIBUTED FIRE WALL FUNCTION, FIRE WALL SERVER WITH FIRE WALL DISTRIBUTION FUNCTION AND EDGE NODE WITH FIRE WALL FUNCTION 失效
公开(公告)号：JP2001249866A
公开(公告)日：2001-09-14
申请号：JP2000059747
申请日：2000-03-06
申请人： FUJITSU LTD
发明人： YAMADA HITOSHI , KAWASAKI TAKESHI , EZAKI YUTAKA
IPC分类号： G06F13/00 , G09C1/00 , H04L12/28 , H04L12/70 , H04L12/701 , H04L12/56
摘要： PROBLEM TO BE SOLVED: To distribute a fire wall function in a network. SOLUTION: The fire wall function is realized by preliminarily distributing it among plural edge nodes to constitute the network. A fire wall sever is constituted so as to distribute at least a part of filtering rules among specified edge nodes and to perform a filtering processing by using the distributed filtering rule by the specified edge node when a load of the fire wall server becomes higher.

40. 发明专利

JPH09149046A PACKET FLOW MONITOR CONTROL SYSTEM 失效
公开(公告)号：JPH09149046A
公开(公告)日：1997-06-06
申请号：JP30797195
申请日：1995-11-27
申请人： FUJITSU LTD
发明人： KATO MASABUMI , KAWASAKI TAKESHI , WATANABE NAOAKI , NISHI TETSUYA , SOMIYA TOSHIO , NAKAMICHI KOJI , ISHIHARA TOMOHIRO , KUSAYANAGI MICHIO , OKUDA MASAHITO
IPC分类号： H04Q3/00 , H04L12/24 , H04L12/26 , H04L12/813 , H04L12/815 , H04L12/819 , H04Q11/04 , H04L12/28
摘要： PROBLEM TO BE SOLVED: To provide the monitor control system in which abort of packets is suppressed while utilizing effectively a resource of a network. SOLUTION: ATM(asynchronous transfer mode) connections #a-#c are virtual communication paths designated by a prescribed VPI/VCI(virtual path identifier/ virtual channel identifier) and go to the same outgoing line. The ATM (asynchronous transfer mode) connections #a-#c belong to an ATM connection group #A. The UPC/NPC (usage parameter control/network parameter control) 21-a-21-c are provided to the ATM(asynchronous transfer mode) connections #a-#c and the UPC/NPC 22 is provided to the ATM connection group #A. The UPC/NPC(usage parameter control/network parameter control) 21-a-21-c and the UPC/NPC 22 are in operation in either of the monitor mode and the control mode. When a violation cell takes place in the monitor mode, it is reported to the control system but the violation cell passes through the network as it is. The violation cell is aborted in the control mode.

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