60 results about "Distributed logic" patented technology

Systems and methods involve an intrathoracic cardiac stimulation device operable to provide autonomous cardiac sensing and energy delivery. The cardiac stimulation device includes a housing configured for intrathoracic placement relative to a patient's heart. A fixation arrangement of the housing is configured to affix the housing at an implant location within cardiac tissue or cardiac vasculature. An electrode arrangement supported by the housing is configured to sense cardiac activity and deliver stimulation energy to the cardiac tissue or cardiac vasculature. Energy delivery circuitry in the housing is coupled to the electrode arrangement. Detection circuitry is provided in the housing and coupled to the electrode arrangement. Communications circuitry may optionally be supported by the housing. A controller in the housing coordinates delivery of energy to the cardiac tissue or cardiac vasculature in accordance with an energy delivery protocol appropriate for the implant location.

A method and apparatus for accomplishing source learning in a data switch of the type having a plurality of switching modules where each supports one or more external network devices and a backplane interconnecting the switching modules. Each switching module has logic resident thereon for performing distributed source learning, including configuring unknown source addresses “seen” in inbound packets and for notifying the other switching modules that such source addresses were “seen” on a port thereof. Address-port associations are thereby configured on the switch using distributed logic, i.e. without intervention by a centralized management entity. In regard to configuring destination addresses—when a destination address is unknown, packets are delivered over a multicast queue until the destination address is found. Once the destination address is found, a method of flow integrity is used to avoid out of order packet delivery when the device transitions from using a multicast flood queue to a unicast queue.

The invention relates to a dynamic managing method of an NAND Flash memorizer. The invention sets dynamic logic mapped table, in which when no used logic block is available, the physical block is not distributed temporarily; the dynamic logic mapped table searches the empty physical block in a rolling way according to the choice equal principle through arithmetic when in use, balances the using frequency of the physical block in the NAND Flash through the dynamic rolling of the table, takes one empty physical bock to distribute logic number as operating one logic block and adds to the logic mapped table to re-operate. The logic mapped table is gradually filled flowing the running of the system, abandons and reclaims the old physical blocks during amending the logic block data, and finds a new physical block to re-write back; the logic mapped table proceeds particular definition to the user byte in the redundant district of each page, distinguishes the dirty data only by compare the byte value. The software of the invention has high efficiency, realizing the balance use of the physical blocks and prolonging the service life of the NAND Flash memorizer.

A method for learning a MAC address of an end machine that is logically connected to a logical network is described. The method receives configuration data for implementing a distributed logical router having different logical ports each of which is associated with a logical port of a logical switch. The method receives a packet through a first logical port of the logical router that has a destination IP address associated with a particular logical switch that is associated with a second logical port of the logical router. In order to learn the MAC address of the end machine, the method sends a first broadcast packet with a first source MAC address to a first set of forwarding elements that implements the particular logical switch, and sends a second broadcast packet with a second source MAC address to a second set of forwarding elements that also implements the particular logical switch.

The invention discloses a storage space configuration and management method applied to cloud computing, which is characterized by including the following steps that a) a storage controller enables a heterogeneous storage physical disk to be integrated with a virtual volume pool and virtualizes storage capacity in the virtual volume pool into a dynamic configuration pool; b) the storage controller divides the dynamic configuration pool into one or more than one small block storage units which form a logic disk; c) the storage controller distributes logic unit number for each logic disk which is divided into a preposition type and a special service type, and the logic unit number of the special service type logic disks correspond to all services and identification of the services; and d) the storage controller utilizes the preposition type logic disk to distribute unit storage units for task writing in each time and transfers and stores metadata in the unit storage units to the corresponding special service type logic disk.

This disclosure relates to systems, devices, protocols, and processes for retrieving, accessing, and presenting information of energy usage using a distributed storage process and distributed logical services to provide a user with real-time energy usage information and visualization.

This disclosure relates to systems, devices, protocols, and processes for retrieving, accessing, and presenting information of energy usage using a distributed storage process and distributed logical services to provide a user with real-time energy usage information and visualization.

The invention discloses a sectional ID (Identity) distributing method and relates to a method for distributing object IDs of logic objects in a network management system. The sectional ID distributing method comprises the following steps of: A, acquiring object data of the distributed logic objects from a database; B, according to object types of the logic objects, updating object ID information of the distributed logic objects in a buffer; C, according to the object ID information, acquiring available object ID sections; and D, distributing the object IDs in the object ID sections. The sectional ID distributing method is simple to operate when the object IDs are distributed and not only has high distributing efficiency and recovery efficiency, but also has small occupied memory and is suitable to popularize when more logic objects are managed.

A wireless digital personal communications system (or PCS) having a plurality of radio cell base stations, fixed terminals, and portable handset terminals, each having a predetermined radio cell coverage area. The wireless PCS has a full digital network interface. The personal communications system facilitates the interconnection and switching of PCS call traffic through the digital network interface and the public switched telephone network, or any switched network. The personal communications system has voice / data / image (or any combination thereof) and incoming and outgoing calling capability. The PCS is fully operational and compatible with any and all modulation approaches selected for wireless communications. The intercell protocol hand-off being provided through distributed logic which is implemented in software that is resident in the intelligent portable handset terminals, in the intelligent fixed terminals, in the intelligent base stations, and in the public switched telephone network (or any switched network). Alternative embodiments of the present invention include a wireless digital personal communications system having authentication means for authenticating a remote device; a wireless digital personal communications system having a combination of authentication means for authenticating a remote device and security means for securing signal and message content between an intelligent base station and a remote device, the security means including a predetermined encryption and decryption technique; a wireless digital personal communications system having dynamic zone grouping of portable handset terminals or fixed terminals; and a wireless digital personal communications system having call forwarding for unanswered calls.

The invention discloses a distributed database management method and device based on a distributed logic timestamp. The method comprises the steps of setting transaction starting time of a transaction; if the difference value between the local logic time of the data node and the local logic time of the coordination node exceeds a preset threshold value, timing the local logic time of the data node, enabling the coordination node to roll back the transaction, and retrying the transaction after timing the time of the coordination node; if the difference between the transaction pre-submission time and the transaction start time is greater than the transaction tolerance error of the transaction, sending the transaction pre-submission time and the pre-submission message of the transaction to all data nodes participating in the transaction; and selecting one data node as an arbitration node to arbitrate the timestamps of the two different transactions according to the difference value condition of the timestamps of the two different transactions. According to the invention, the overhead of the network can be reduced while the requirements of distributed storage and processing are met, sothat the overall performance of the system is effectively improved.

A storage enclosure includes a plurality of hard drive sub-boards, each configured to include a plurality of hard drives. A local logic device manages each hard drive sub-board. A master logic device manages the local logic devices. The master logic device receives management commands from a host computer system coupled to the storage enclosure, and routes those commands to specific local logic devices. The local logic devices then relay the commands to specifically targeted hard drives. Thus, each hard drive within the storage enclosure can be independently controlled, allowing a single hard drive to be powered down without powering down other hard drives in the enclosure.

This disclosure relates to systems, devices, protocols, and processes for retrieving, accessing, and presenting information of energy usage using a distributed storage process and distributed logical services to provide a user with real-time energy usage information and visualization.

The invention discloses a distributed transaction management method and system based on a distributed logic timestamp. The method comprises the steps of setting transaction starting time of a transaction; if the difference value between the local logic time of the data node and the local logic time of the coordination node exceeds a preset threshold value, timing the local logic time of the data node, enabling the coordination node to roll back the transaction, and retrying the transaction after the time of the coordination node is timed; if the difference between the transaction pre-submission time and the transaction start time is greater than the transaction tolerance error of the transaction, sending the transaction pre-submission time and the pre-submission message of the transactionto all data nodes participating in the transaction; and selecting one data node as an arbitration node to arbitrate the timestamps of the two different transactions according to the difference value condition of the timestamps of the two different transactions. According to the invention, the overhead of the network can be reduced while the requirements of distributed storage and processing are met, so that the overall performance of the system is effectively improved.