公开(公告)号：US5838922A

公开(公告)日：1998-11-17

申请号：US660318

申请日：1996-06-07

申请人： Claude Galand ,  Aline Fichou ,  Pierre Austruy ,  Ilias Iliadis

发明人： Claude Galand ,  Aline Fichou ,  Pierre Austruy ,  Ilias Iliadis

IPC分类号： G06F12/00 ,  H04L12/56 ,  G06F13/14 ,  H04L12/54

CPC分类号： H04L47/10 ,  H04L47/29 ,  H04L49/103 ,  H04L49/205 ,  H04L49/3027

摘要： An improved access control system for a memory system in which memory locations can be allocated to virtual output queues dedicated to output ports from the system. The virtual queues can be used to handle data of different priorities. Thresholds are defined for the occupancy of the overall memory and of each virtual queue. The access control system regulates the acceptance of data stored in input adapters by determining whether a back pressure situation exists for the data's target output adapter for the class of traffic to which the data belongs. A single-bit access-controlling back pressure signal is generated as a function of the occupancy level of either the overall memory or of the virtual queue defined for the target output adapter.

摘要翻译： 用于存储器系统的改进的访问控制系统，其中可以将存储器位置分配给专用于来自系统的输出端口的虚拟输出队列。 虚拟队列可用于处理不同优先级的数据。 为整个存储器和每个虚拟队列的占用量定义阈值。 访问控制系统通过确定数据所属的业务类别的数据的目标输出适配器是否存在背压情况来调节存储在输入适配器中的数据的接受度。 根据为目标输出适配器定义的总体存储器或虚拟队列的占用水平生成单位访问控制背压信号。

公开(公告)号：US5140691A

公开(公告)日：1992-08-18

申请号：US577837

申请日：1990-08-30

申请人： Pierre Austruy ,  Jean M. Munier ,  Michel Poret

发明人： Pierre Austruy ,  Jean M. Munier ,  Michel Poret

IPC分类号： G06F11/16 ,  G06F11/20

CPC分类号： G06F11/2007 ,  G06F11/2005 ,  G06F11/2017

摘要： A Control Unit is described, including a Processing Unit (12) controlled by a Service Processor (14), and a plurality of adapters (18) exchanging data and/or control signals with said Processing Unit (PU). For ensuring a continuous operation of the Control Unit, the adapters are partitioned into at least two sets (56,58), and the PU is partitioned into at least two parts (26,28), each set of adapters being connected to a dedicated PU part by a primary bus (52,54). Besides, in order to allow the fallback of a set of adapters onto another PU part if the PU part to which it is normally connected is inoperative, a bus switching device (30) is provided. This bus switching device includes at least two Switch parts (38,40), and each Switch part performs the switching of a given set of adapters onto a given PU part, according to the status of each PU part. Therefore, each Switch part is connected to a given set of adapters by a primary bus (52,54), and to the other sets of adapters by secondary busses (46,48) which become active in fallback mode.

摘要翻译： 描述了包括由服务处理器（14）控制的处理单元（12）和与所述处理单元（PU）交换数据和/或控制信号的多个适配器（18）的控制单元。 为了确保控制单元的连续操作，适配器被划分成至少两组（56,58），并且PU被划分成至少两个部分（26,28），每组适配器连接到专用 PU部分由主要公共汽车（52,54）。 此外，为了允许一组适配器在其正常连接的PU部件不起作用的情况下将另一个适配器回退到另一个PU部件上，提供总线切换装置（30）。 该总线切换装置包括至少两个开关部件（38,40），并且每个开关部件根据每个PU部件的状态执行给定的一组适配器到给定PU部件上的切换。 因此，每个开关部分通过主总线（52,54）连接到给定的适配器组，并且通过在回退模式中变为活动的次级总线（46,48）连接到其它适配器组。

公开(公告)号：US5272584A

公开(公告)日：1993-12-21

申请号：US792329

申请日：1991-11-12

申请人： Pierre Austruy ,  Jean-Paul Conjeaud ,  Patrick Massi ,  Christian Jacquart

发明人： Pierre Austruy ,  Jean-Paul Conjeaud ,  Patrick Massi ,  Christian Jacquart

IPC分类号： G06F1/18 ,  G06F1/26 ,  G06F3/00 ,  G06K19/07 ,  H01R12/16 ,  H02H9/00

CPC分类号： H02H9/004 ,  Y10S323/908

摘要： A hot plug circuit insuring that the plugging of cards to a board is performed in the hot-plug mode when the cards are supplied from a common power supply located on one of the cards or on the board. This circuit (62) limits the surge current generated at the interconnection of first circuits (30) arranged on a first card (1) and powered by a supply device (2) providing a first supply voltage (ground) on a first supply line (36) and a second supply voltage (+V) on a second supply line (34), with second circuit (24) on a second card powered by the supply device (2) through a third supply line (74) and fourth supply line (76). The surge current results from the charge of a decoupling capacitor of capacitance Cd arranged on the second card between the third and fourth supply lines when the cards are interconnected through an interconnecting arrangement (14, 12, 22). The hot plug circuit comprises a controlled ramp generation device connected to the first and second supply lines and activated when the connection between the first and third supply line is completed through the connecting arrangement to start the generation on the fourth supply line of a first ramp voltage Vb derived from the voltages on the first and second supply lines, said ramp voltage having an adjustable slope a=dVb/dt, whereby the surge current i which is equal to a.Cd can be limited to a desired value by adjusting the slope value a.

公开(公告)号：US5341475A

公开(公告)日：1994-08-23

申请号：US903687

申请日：1992-06-24

申请人： Pierre Austruy ,  Bernard Brezzo ,  Jean-Pierre Lips ,  Bernard Naudin ,  Jean Calvignac ,  Richard H. Waller

发明人： Pierre Austruy ,  Bernard Brezzo ,  Jean-Pierre Lips ,  Bernard Naudin ,  Jean Calvignac ,  Richard H. Waller

IPC分类号： G06F13/00 ,  G06F13/28 ,  G06F15/167 ,  H04L13/08 ,  H04L29/10

CPC分类号： G06F15/167 ,  G06F13/28

摘要： This invention relates to a protocol implemented in a communication system for exchanging data and control messages between adapters to which are attached different users, and a shared memory subsystem comprising a depository storage, a manager of storage and a microprocessor. Such protocol enables the adapters to be the initiators of the transmission and reception of data by using the control lines that connect the manager of storage to all adapters in the same way as the data bus and the address bus. Moreover, the adapters slice the messages into data bursts to which are associated control words specifying the sizes, the owner and the position of the burst in the message. Consequently, those data bursts may be interleaved when transiting on the data bus without the intervention of the microprocessor for the routing, and they will be stored in or read from the depository storage according to the identification of the user in the control word. Therefore, only the shared memory needs to have a high capacity of storage, whereas the manager of storage and the adapters can operate with a reduced capacity of storage, and the time to send or to access a data burst is much more improved.

摘要翻译： 本发明涉及一种在通信系统中实现的用于在连接到不同用户的适配器之间交换数据和控制消息的协议，以及包括存储存储器，存储管理器和微处理器的共享存储器子系统。 这样的协议使得适配器能够通过使用与数据总线和地址总线相同的方式使用将存储管理器连接到所有适配器的控制线来发送和接收数据。 此外，适配器将消息分割成数据突发，其中是指定消息中的突发的大小，所有者和位置的关联控制字。 因此，当在数据总线上转移时，这些数据脉冲串可能被交错，而不需要微处理器进行路由，并且它们将根据用户在控制字中的标识被存储在存储器存储器中或从存储器存储器读取。 因此，只有共享存储器需要具有高的存储容量，而存储器和适配器的管理器可以以降低的存储容量进行操作，并且发送或访问数据突发的时间进一步得到改善。

公开(公告)号：US4485436A

公开(公告)日：1984-11-27

申请号：US295182

申请日：1981-08-21

申请人： Pierre Austruy ,  Gerard Dalboussiere

发明人： Pierre Austruy ,  Gerard Dalboussiere

IPC分类号： G06F9/46 ,  G06F13/00 ,  G06F13/362 ,  G06F13/374 ,  G06F9/18

CPC分类号： G06F13/374

摘要： Adapter interfaces (ADAPT) and line driver interfaces (RDVP and RDVC) are divided into subgroups within a pyramid type of architecture. Each subgroup is provided with independent preselection means for determining the path through the pyramid from the CCU BUS to the adapter to be serviced first.

摘要翻译： 适配器接口（ADAPT）和线路驱动程序接口（RDVP和RDVC）分为金字塔式架构中的子组。 每个子组提供有独立的预选装置，用于确定从CCU总线到首先要维修的适配器的金字塔的路径。