Matches 1 - 33 out of 33
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7058084 Multistage interconnect network combines back channel replies received from destinations into a single result and transmits to the source  
A multistage interconnect network (MIN) capable of supporting massive parallel processing, including point-to-point and multicast communications between processor modules (PMs) which are connected...
6985482 Cross-bar switch system with redundancy  
A crossbar switch system with redundancy has N+1 cross-bar switches. A first cross-bar switch has first outputs of each of a plurality of nodes applied to N input terminals thereof, an (N+1)th...
6915450 Method and apparatus for arbitrating transactions between domains in a computer system  
A method for communicating transactions includes providing an interconnect having a plurality of ports for communicating transactions between a plurality of domains in a computing system is...
6513131 Logic circuit having error detection function, redundant resource management method, and fault tolerant system using it  
A self-checking circuit, which is useful for a highly reliable system configuration, includes a logic circuit having an error detection function. For function blocks for feeding out a plurality of...
6360338 Enhanced instrumentation software in fault tolerant systems  
A monitor function is implemented to monitor and control service processes and other system entities that perform tasks on a distributed network. The monitor function tracks the demise and...
6347073 Method and system for controlling data transfer between a logical switch set and outside nodes  
A plurality of independent control lines are used by I/O modules to determine which switch of a redundant switch set is the active or primary switch. Each line is driven by a different source. Each...
6243361 Multistage interconnect network uses a master processor to perform dynamic configuration for all switch nodes based on a predetermined topology  
A multistage interconnect network (MIN) capable of supporting massive parallel processing, including point-to-point and multicast communications between processor modules (PMs) which are connected...
6131169 Reliability of crossbar switches in an information processing system  
An information processing apparatus includes a crossbar switch having a plurality of switching circuits for data transfer; connection lines having address data transfer paths of m-bit unit...
6092217 Logic circuit having error detection function, redundant resource management method and fault tolerant system using it  
A self-checking circuit, which is useful for a highly reliable system configuration, includes a logic circuit having an error detection function. For function blocks for feeding out a plurality of...
6035414 Reliability of crossbar switches in an information processing system  
An information processing apparatus includes a crossbar switch having a plurality of switching circuits for data transfer; connection lines having address data transfer paths of m-bit unit...
5872904 Computer system using a master processor to automatically reconfigure faulty switch node that is detected and reported by diagnostic processor without causing communications interruption  
A multistage interconnect network (MIN) capable of supporting massive parallel processing, including point-to-point and multicast communications between processor modules (PMs) which are connected...
5805786 Recovery of a name server managing membership of a domain of processors in a distributed computing environment  
Recovery of a name server managing membership of a domain of processors in a distributed computing environment which includes detecting the failure of the name server node and consulting a...
5586265 Priority arbitrating interface for a plurality of shared subsystems coupled to a plurality of system processing devices for selective association of subsystem to processing device  
The electronic postage meter includes a printing unit which is responsive to a plurality of motors for printing of a postage indicia in response to a control circuit. The control circuit is...
5574945 Multi channel inter-processor coupling facility processing received commands stored in memory absent status error of channels  
A computer system with a coupling facility is provided with a plurality of processors and a plurality of intersystem channels coupled to the processors via a memory bus. The coupling facility...
5553059 Network interface unit remote test pattern generation  
A system for isolating the direction of communication errors in the local loop of a digital data network is described. A Network Interface Unit (NIU) located at the customer premises typically has...
5546403 Bidirectional line switch ring network  
A bidirectional line switch ring network wherein, when a fault occurs in the ring transmission line, a loopback is formed at the node adjoining the fault so as to loop back the line between a first...
5544330 Fault tolerant interconnect topology using multiple rings  
An interconnect topology providing enhanced fault tolerance to a multi-component data processing system. The topology utilizes a plurality of rings for interconnecting multiple system components,...
5535334 Fault-tolerant system-to-system communications system and method utilizing multiple communications methods to transfer a single message  
A tiered communications service which utilizes multiple methods of communication and provides the ability for different host computer systems to pass dam, unconcerned with the type of...
5522046 Communication system uses diagnostic processors and master processor module to identify faults and generate mapping tables to reconfigure communication paths in a multistage interconnect network  
A multistage interconnect network (MIN) capable of supporting massive parallel processing, including point-to-point and multicast communications between processor modules (PMs) which are connected...
5506964 System with multiple interface logic circuits including arbitration logic for individually linking multiple processing systems to at least one remote sub-system  
A data processing and transmission network includes plural information processing systems and shared sub-systems remote from the information processing systems. Each shared sub-system includes an...
5506956 Error correction and channel restoration apparatus for T1 digital links  
Apparatus, operating in a digital communication system, for interconnecting a primary or a secondary network to an output port. The primary and secondary networks are redundant networks having...
5485474 Scheme for information dispersal and reconstruction  
Method and apparatus applicable to a variety of data storage, data communication, and parallel computing applications, efficiently improving information availability and load balancing. Information...
5463763 Apparatus and method for supervising multiprocessor communications using messages transmitted between processors in a circular fashion  
A multiprocessor system includes a plurality of processors each of which functions a data processing node. Each of the processors comprises an address management table in which prior node and next...
5448724 Data processing system having double supervising functions  
In a data processing system formed of a plurality of nodes each connected to networks, each node operates either as a manager or as an agent. The manager supervises information included in the...
5440538 Communication system with redundant links and data bit time multiplexing  
A communication system and a method for communicating on a communication channel are described. A substitution switch preferably comprised of high speed multiplexer and demultiplexer integrated...
5392291 Fault-tolerant CITO communication system  
A communication method and apparatus incorporating fault-tolerance and increased transmission reliability in a content-induced transaction overlap (CITO) system is disclosed. The system is driven...
5371744 System and method for enumerating all acyclic paths in a processing system for reconfiguration and fault tolerance  
A system (30) and method is provided for enumerating acyclic paths in an information processing system. The system (30) incorporates multiple processor nodes (18) or functional units interconnected...
5321813 Reconfigurable, fault tolerant, multistage interconnect network and protocol  
A multistage interconnect network (MIN) capable of supporting massive parallel processing, including point-to-point and multicast communications between processor modules (PMs) which are connected...
5311524 Fault tolerant three port communications module  
A fault tolerant three port communications module has two control ports for receiving commands from two computers, and a communications port for transferring data over a communications channel in...
5303383 Multiprocessor computer system  
A multistage interconnect network (MIN) capable of supporting massive parallel processing, including point-to-point and multicast communications between processor modules (PMs) which are connected...
4654784 Circuit arrangement for routing signals between a master-slave pair of controlling processors and several master-slave pairs of controlled processing units  
A plurality of switching modules, e.g. components of a digital telephone exchange, each include a pair of central processing units (CPUs) operating in master-slave relationship under the...
4523273 Extra stage cube  
A multistage data routing system for routing a plurality of data streams comprises a cube comprising a plurality of stages sequentially numbered n-1 through 0 and an extra stage n situated to...
4112488 Fault-tolerant network with node branching  
A network for providing data communication among a plurality of remote units and between such remote units and a central processor complex in which a plurality of node units are each associated...
Matches 1 - 33 out of 33