A network system for a data center is described in which a switch fabric may provide full mesh interconnectivity such that any servers may communicate packet data to any other of the servers using any of a number of parallel data paths. Moreover, according to the techniques described herein, edge-positioned access nodes, optical permutation devices and core switches of the switch fabric may be configured and arranged in a way such that the parallel data paths provide single L2/L3 hop, full mesh interconnections between any pairwise combination of the access nodes, even in massive data centers having tens of thousands of servers. The plurality of optical permutation devices permute communications across the optical ports based on wavelength so as to provide, in some cases, full-mesh optical connectivity between edge-facing ports and core-facing ports.

According to one embodiment, a controller may include a user interface that is operable to receive input from a user to control an electronic system to which the controller may be coupled either directly or indirectly. The user interface may comprise an interface housing to which the user interface is coupled, the interface housing having a front portion and a rear portion, the front portion of which may contain the user interface. A controller housing may be coupled to the rear portion of the interface housing, the controller housing having a smaller perimeter than the interface housing. The controller housing may be comprised of at least one sidewall and a rear wall. At least one magnet may be coupled to the controller housing. The magnet(s) may be operable to hold the controller in position using magnetic force when the controller housing is inserted into a mounting receptacle.

A RF router for routing n input signals to m destinations, where the router comprises a backplane coupled to a plurality of RF input terminals, a plurality of RF output terminals, a plurality of splitters and a plurality of connectors. The backplane is also coupled to a controller and a plurality of connectors for receiving a plurality of switching matrices. The RF router comprises a plurality of uv input switch matrices, a plurality of pq intermediate switch matrices and a plurality of rs output switch matrices, where at least one of the plurality of uv input switch matrices, the plurality of pq intermediate switch matrices and the plurality of rs output switch matrices are redundant.

The technology disclosed herein enables an L3 network fabric including one or more spine switches having a leaf-spine topology to be self-expanded. In a particular embodiment, a method provides transferring one or more probe messages from each of the spine switches. The probe messages detect whether new computing nodes have been attached to the communication network. The method further provides receiving a reply to at least one of the probe messages. The reply identifies a new computing node that is not yet included in the L3 fabric. In response to the reply, the method provides confirming physical network interfaces of the spine switches indicate valid connections to one or more new leaf switches of the new computing node, using L3 discovery protocols to ensure the connections conform to the leaf-spine topology, and transferring probe packets between the spine switches and leaf switches, including the new leaf switches, of computing nodes connected thereto to confirm configuration of all connections between the spine switches and the leaf switches of the computing nodes. Moreover, the method provides configuring L3 protocols for routing communications exchanged with the new computing node.

A multi-endpoint adapter device includes a plurality a duplicator device that is coupled to the network port and the plurality of endpoint subsystems that are each configured to couple with a respective processing subsystem. The duplicator device receives, via the network port, a data payload and determines that the data payload is to be provided to each of a first processing subsystem via a first endpoint subsystem that is included in the plurality of endpoint subsystems, and a second processing subsystem via a second endpoint subsystem that is included in the plurality of endpoint subsystems. The duplicator device then duplicates the data payload to provide a first duplicated data payload and a second duplicated data payload. The duplicator device then provides the first duplicated data payload to the first endpoint subsystem and provides the second duplicated data payload to the second endpoint subsystem.

A parallel computing system is provided, including input ports, a first switching network, a computing array, a second switching network and output ports. The first switching network is receiving input data from the input ports, sequencing the input data according to different computing modes of the computing array and outputting sequenced input data; the computing array is performing parallel computation on the sequenced input data and outputting intermediate data; and the second switching network is sequencing the intermediate data according to different output modes and outputting sequenced intermediate data through the output ports. The present disclosure applies the switching networks to the parallel computing system and performs any required sequencing on the input or output data according to the different computing modes and output modes to complete various arithmetic operations through the computing array after the input data are input into the computing array.

In an embodiment, a system includes a first group of connectors, a second group of connectors, and an interconnection enclosure. Each single connector in the first group provides an interface for a corresponding group of component signal paths. Each single connector in the second group provides an interface for at least one component signal path from each of the corresponding group of component signal paths of each connector in the first group of connectors. The enclosure houses at least a portion of the groups of component signal paths connecting the first group with the second group. The system is configured to provide an interconnection between network switches. In an embodiment, a system includes a network component rack and a panel coupled to the network component rack and configured to receive an interconnection module having the first group of connectors, second group of connectors, and an interconnection enclosure.

A communication interface apparatus in a tank gauging system. The communication interface includes a memory and a processor couple to the memory. The processor communicates using a control application with a tank inventory system that operates over a serial connection; and communicates using a wireless application with tank gauging equipment that operates over a wireless connection.

The technology disclosed herein enables an L3 network fabric including one or more spine switches having a leaf-spine topology to be self-expanded. In a particular embodiment, a method provides transferring one or more probe messages from each of the spine switches. The probe messages detect whether new computing nodes have been attached to the communication network. The method further provides receiving a reply to at least one of the probe messages. The reply identifies a new computing node that is not yet included in the L3 fabric. In response to the reply, the method provides confirming physical network interfaces of the spine switches indicate valid connections to one or more new leaf switches of the new computing node, using L3 discovery protocols to ensure the connections conform to the leaf-spine topology, and transferring probe packets between the spine switches and leaf switches, including the new leaf switches, of computing nodes connected thereto to confirm configuration of all connections between the spine switches and the leaf switches of the computing nodes. Moreover, the method provides configuring L3 protocols for routing communications exchanged with the new computing node.

A multi-endpoint adapter device includes a plurality a duplicator device that is coupled to the network port and the plurality of endpoint subsystems that are each configured to couple with a respective processing subsystem. The duplicator device receives, via the network port, a data payload and determines that the data payload is to be provided to each of a first processing subsystem via a first endpoint subsystem that is included in the plurality of endpoint subsystems, and a second processing subsystem via a second endpoint subsystem that is included in the plurality of endpoint subsystems. The duplicator device then duplicates the data payload to provide a first duplicated data payload and a second duplicated data payload. The duplicator device then provides the first duplicated data payload to the first endpoint subsystem and provides the second duplicated data payload to the second endpoint subsystem.