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1.发明公开
公开(公告)号：EP4102806A1
公开(公告)日：2022-12-14
申请号：EP22159662.0
申请日：2022-03-02
申请人： FUJITSU LIMITED
发明人： SHIMIZU, Takashi
摘要： A communication control apparatus that implements at least some functions in flow control of a software defined network (SDN) by hardware, the communication control apparatus includes a setting unit sets, when a packet of a flow that is not registered in transfer control information is detected when a plurality of packets that constitutes a flow is transferred, a destination resolution standby state for the flow in the transfer control information, an evacuation queue stores at least some of packets received in the destination resolution standby state, a stop processing unit stops a pipeline that processes a packet to be transferred after destination resolution for the flow, an output control unit outputs a packet that belongs to the flow and is stored in the evacuation queue, and an operation control unit operates the pipeline after the output of the packet stored in the evacuation queue is completed.
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公开(公告)号：EP3958523A1
公开(公告)日：2022-02-23
申请号：EP21171486.0
申请日：2021-04-30
申请人： FUJITSU LIMITED
IPC分类号： H04L12/741 , H04L12/713 , H04L12/715 , H04L12/743 , H04L12/721
摘要： An information processing apparatus includes a first memory, a second memory, and a control circuit. The first memory stores a first table where entries, which indicate forwarding methods for packets, are stored at positions corresponding to hash values calculated from header information of the packets. The second memory stores a second table that is larger than the first table. The control circuit detects, when the first table is updated, a conflict state where there is conflict between storage positions of different entries in the first table. The control circuit moves entries stored in the first table to the second table in response to the detecting of the conflict state. The control circuit detects resolution of the conflict state when the second table is updated. In response to the detecting of the resolution, the control circuit moves the entries stored in the second table to the first table.
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3.发明公开
公开(公告)号：EP4027594A1
公开(公告)日：2022-07-13
申请号：EP21198966.0
申请日：2021-09-24
申请人： FUJITSU LIMITED
发明人： SHIMIZU, Takashi
IPC分类号： H04L12/46
摘要： An information processing method includes: receiving a request for search with respect to a memory circuit that searches for information stored in a memory, issued from a requester; storing order information in which the request is issued; determining whether or not to make the memory circuit perform search on the basis of a predetermined requirement not to make the memory circuit perform search and the request; creating a predetermined response in a case where the memory circuit is not made to perform search; and returning a response of the memory circuit and the predetermined response to the requester in the issued order on the basis of the order information.
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