Abstract: A rack system for use, e.g., in data centers is disclosed. The rack system includes a rack frame and a rack-mounted assembly, including an electronic device disposed within the rack-mounted assembly, the electronic device including a heat-generating component. The heat-generating component is in thermal contact with a liquid cooling block through which a channelized cooling fluid is conveyed. The electronic device is immersed in a dielectric immersion cooling liquid. The rack-mounted assembly includes a non-sealed immersion case in which the electronic device is immersed in the dielectric immersion cooling liquid, the non-sealed immersion case configured to permit the rack-mounted assembly to be individually inserted into or removed from the rack frame. Also disclosed are container-based data center modules based on the disclosed rack system, and a data center using numerous such container-based modules.

Abstract: A cooling system comprises a main cooling arrangement thermally coupled to the heat generating component, and configured for collecting thermal energy of the heat generating component via a main heat transfer fluid, and a backup cooling arrangement thermally coupled to the main cooling arrangement and comprising at least one fluid path configured for conducting a backup heat transfer fluid. The cooling system comprises a thermal fuse disposed within at least a portion of the at least one fluid path, the thermal fuse changing from a solid state to a melted state and selectively enabling a flow of the backup heat transfer fluid in the at least one fluid path of the backup cooling arrangement in response to its temperature being above a temperature threshold, the backup heat transfer fluid being configured to, upon flowing in the at least one fluid path, collect thermal energy from the main cooling arrangement.

Abstract: A cooling system (50) including an immersion case, a bladder and a controller is disclosed. The immersion case (54) is configured to house an immersion cooling liquid, and an electronic component (80) configured to be submerged in the immersion cooling liquid. The bladder (56) is configurable between an expanded state and a contracted state and positioned such that the bladder (56) can be at least partially submerged in the immersion cooling liquid when in any one of the expanded state and the contracted state. The controller (58) is connected to the bladder (56) for modulating the bladder (56) between the expanded state and the contracted state to modulate a fluid level of the immersion cooling liquid in the immersion case (54).

Abstract: A rack for supporting data center equipment has a frame including vertical wall supports are connected to a base and extending upwardly therefrom. The base defines a first and second openings extending in a lateral direction for receiving a fork of a lifting machine along the lateral direction. The base includes: a first upper wall and a second upper wall defining in part the first opening and the second opening; a lower wall disposed between the upper walls along a depth direction of the rack and extending vertically lower than the upper walls; and two side walls extending vertically from the lower wall to a respective one of the upper walls. The two side walls and the lower wall together define a middle cavity. Each of the two side walls defines a third opening and a fourth opening for receiving the fork of the lifting machine along a depth direction.

Abstract: A water block for cooling a heat-generating component has a body defining an internal fluid conduit for circulating fluid within the water block. The body defines a fluid inlet and a fluid outlet for feeding fluid into and discharging fluid from the internal fluid conduit respectively. The body includes: an external thermal transfer surface configured to be in contact with the heat-generating component; an opposite external surface on an opposite side of the body from the external thermal transfer surface; and at least one hollow fin extending from the opposite external surface, the at least one hollow fin defining at least one external fin passage, each of the at least one hollow fin defining an internal fin recess that forms part of the internal fluid conduit of the water block.

Abstract: A system provides cooling to an infrastructure having heat-generating units. Internal cooling units are thermally connected to the heat-generating units. An external cooling unit dissipates thermal energy of a heat-transfer fluid circulating in the internal cooling units. A cooling circuit connects the internal and external cooling units. A pump maintains a flow of the heat-transfer fluid for transferring thermal energy from the heat generating units to the external cooling unit. A reservoir thermally connected to the cooling circuit contains a phase change material (PCM) changing between solid and liquid states according to a temperature of the heat-transfer fluid. Thermal energy is transferred between the cooling circuit and the PCM depending on whether a temperature of the heat-transfer fluid is above or below a phase-change temperature value of the PCM. A supplemental cooling device thermally connected to the reservoir dissipates heat from the reservoir to the atmosphere.

Abstract: The disclosed systems and structures are directed to providing a hybrid liquid-cooling system for at least one rack-mounted immersion case containing at least one electronic assembly submerged in dielectric immersion cooling liquid. The hybrid liquid cooling system comprises a closed-loop fluid distribution arrangement configured to circulate channelized fluid, an external cooling module configured to thermally condition the channelized fluid circulated by the closed-loop fluid distribution arrangement, a serpentine convection coil structured to internally convey channelized fluid to operatively cool ambient temperatures of the dielectric immersion cooling liquid, and one or more fluid cooling blocks arranged to be in direct thermal contact with one or more heat-generating electronic processing components of the at least one electronic assembly.

Abstract: A method is provided for positioning a data center rack relative to a rack-supporting frame. The method includes: affixing at least one left guiding member and at least one right guiding member to the to left and right vertical support units; affixing at least one front rack-locating member to a front side of the data center rack; lifting the data center rack; inserting the data center rack between the left and right vertical support units until the at least one front rack-locating member abuts front end surfaces of the vertical support units or the at least one left and right guiding members; affixing at least one rear rack-locating member to a rear side of the data center rack; and lowering the data center rack so that the front and rear rack-locating members are supported by the at least one left guiding member and the at least one right guiding member.

Abstract: A system and method for monitoring configuration status of a plurality of network components of a network. The method comprises generating, based on a network object model, a first configuration file indicative of expected configuration status of the plurality of network components, the network model comprising Node objects, Interface objects, evpnEdge objects and Layer objects. The method further comprises receiving a second configuration file indicative of current configuration status of the plurality of network components, the first and second configuration files comprising tagged sections and sub-sections, and comparing the first and second configuration files comprising comparing a first sub-section of the first configuration file with a corresponding second sub-section of the second configuration file based on tags of the first and second sub-sections, the first and second sub-sections comprising configuration commands relative to one of the plurality of network components.

Abstract: A system comprises a rack, a support member, and a component configured for being supported in the rack by the support member. The support member is selectively insertable in the rack and comprises a plate at its rear end, the plate extending at an angle from a direction of insertion of the support member in the rack, the support member further comprising a first liquid connector mounted to the plate. The component comprises a second liquid connector mounted on a rear edge of the component, the second liquid connector being connectable to the first liquid connector when the support member and the component are inserted in the rack. A method comprises mounting the first and second liquid connectors to the support member and to the component, respectively, inserting the support member to the rack, and inserting the component in the rack until both liquid connectors are connected.

Abstract: A mesh panel for a heat exchanger system is provided. The mesh panel comprises a mesh body extending from an upper end to a lower end, the mesh body having an inlet side and an outlet side opposite the inlet side. The mesh body comprises a plurality of mesh wires arranged to form a mesh pattern defining a plurality of mesh openings between the mesh wires, and at least one penetrating mesh portion extending at least partly along a depth direction of the mesh body, the depth direction being normal to a plane extending between the upper and lower ends of the mesh body, the at least one penetrating mesh portion at least partly defining an air flow opening, the air flow opening having greater dimensions than each of the mesh openings.

Abstract: Methods and systems are described operating a networking device comprising a data structure associating network packet signatures with network packet metadata, the data structure comprising a temporary storage pipeline and a hash table stored in a computer-readable memory. The method comprises upon determining that network packet metadata is to be inserted in the data structure, determining a location in the hash table at which the network packet metadata is to be inserted; if the location in the hash table is an empty cell, inserting the network packet metadata in the empty cell; if the location in the hash table is not an empty cell: transferring the pre-existing network packet metadata from the hash table to the temporary storage pipeline; inserting the network packet metadata at the location of the hash table; and operating a reinsertion routine.

Abstract: A method is provided for positioning a data center rack relative to a rack-supporting frame. The method includes connecting at least one front attachment member to the data center rack on a front side thereof such that part of one of the at least one front attachment member and part of one of the at least one front attachment member extend leftward from a left end and rightward from a right end respectively of the data center rack; lifting and inserting the data center rack between a left and a right vertical support units until the at least one front attachment member abuts the left and right vertical support units; and moving the data center rack leftward or rightward until a hook portion of the at least one front attachment member engages the left or right vertical support unit to set a lateral position of the data center rack.

Abstract: Cooling arrangement and method for cooling of a heat source. The cooling arrangement includes a closed loop, a semi-open loop and at least one fan. The closed loop includes a primary side of a liquid-to-liquid heat exchanger receiving a first cooling fluid heated by the heat source, a first air-to-liquid heat exchanger downstream the primary side, and a first pump returning the first cooling fluid to the heat source. The semi-open loop includes a tank storing a second cooling fluid, a second pump drawing the second cooling fluid from the tank, a secondary side of the liquid-to-liquid heat exchanger receiving the second cooling fluid from the second pump, an evaporating pad downstream said secondary side, and an inlet fluidly connected to a source of the second cooling fluid. The at least one fan causes an air flow through the evaporating pad and through the first air-to-liquid heat exchanger.

Abstract: A power distribution circuit for providing electric power from a plurality of power supplies to a plurality of loads comprises a combiner of power outputs of the power supplies to provide power at a given voltage to a plurality of hot swap modules that are each electrically connected to the combiner and to a power input of a corresponding load. Each hot swap module verifies one or more conditions selected from the given voltage being at least equal to a minimum voltage threshold, the given voltage not exceeding a maximum voltage threshold, and a current consumed by the load not exceeding a maximum current threshold. Each hot swap module delivers power to the power input of the corresponding load when all selected conditions are met and isolates the power input of the corresponding load from the power supplies when any one of the selected conditions is not met.

Abstract: A cooling arrangement for a rack hosting electronic equipment and at least one fan comprises first and second air-liquid heat exchangers. A first one is mounted to the rack so that heated air expelled from the rack by the fan flows therethrough. The second one is mounted to the first one so that air having flowed through the first heat exchanger flows through the second heat exchanger. Each heat exchanger comprises a frame, an inlet receiving liquid from a cold supply line, an outlet returning liquid to a hot return line, and a continuous internal conduit forming a plurality of interconnected parallel sections. The cooling arrangement is mounted to the rack so that the first and second frames are parallel and adjacent. One interconnected parallel section of the first heat exchanger nearest to its inlet is proximate one interconnected parallel section of the second heat exchanger nearest to its outlet.

Abstract: A rack adapting device for an electronic equipment rack is disclosed. The electronic equipment rack is configured to house first electronic equipment modules having a first module width between left and right equipment supports laterally spaced apart from one another by a rack housing width corresponding to the first module width. The rack adapting device is configured to adapt the electronic equipment rack to house a plurality of second electronic equipment modules having a second module width and comprises: an adapter body; a plurality of rack-engaging features disposed on a first lateral side thereof and configured to engage rack mounting features of one of the left and right equipment supports; and a plurality of adapter mounting features disposed on a second lateral side such that, in use, the second electronic equipment modules are mounted between the rack adapting device and an other one of the left and right equipment supports.

Abstract: A method and system are disclosed for handling a received content word in a system comprising a memory of memory words, wherein: each memory word comprises Bloom Filter structures. The method comprises hashing the content word into a fixed-size word, pointing to the memory word corresponding to an address of the fixed-size word, pointing to, and reading, the Bloom Filter structure in the pointed memory word corresponding to an address in the fixed-size word, and reading and writing the content of the Bloom Filter structures so as to keep track of a number of occurrences of the received content word over a sliding window of time.

Abstract: A cooling system comprises a container receiving a dielectric cooling liquid and electronic components immersed in the dielectric cooling liquid. A first pump causes a circulation of a first fraction of the dielectric cooling liquid in the container for convection cooling of the electronic components. A second pump withdraws a second fraction of the dielectric cooling liquid from the container and directs the second fraction of the dielectric cooling liquid toward the electronic components for direct cooling of the electronic components. A manifold fluidly connected to an outlet of the second pump receives the second fraction of the dielectric cooling liquid from the second pump. One or more outlet pipes fluidly connected to the manifold bring portions of the second fraction of the dielectric cooling liquid in thermal contact with the electronic components.

Abstract: A method and system for reconciliation of a set of K8s resource/objects includes a Graph Dependency (GD) API enabling a Developer to define a dependency graph between K8s resource/objects of the set. Interfacing with the API Server in a K8s system, the GD API monitors events on the K8s resource/objects of the set, and upon occurrence of an event on an affected K8s resource/object, triggers reconciliation of the set as determined necessary based on the matching of versioning level of the affected K8s resource/object, with the versioning level of the parent recorded in children of the affected K8s resource/object, from immediate children to leaf children in the dependency graph.