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358results about How to "Avoid configuration" patented technology

Data replication facility for distributed computing environments

A data replication facility for distributed computing environments. A computer network having a plurality of network nodes utilizes a distributed directory provider service (DPS) having an established master node. The DPS supports a file replication service (FRS). The FRS establishes one of the nodes as originator node which receives new or updated files from one or more user / GUIs and / or from one or more software providers such as a security provider. The originator node in cooperation with the master node establish a backup copy of the new or updated file in the master node. Thereafter, the originator node publishes a File Version Variable (FVV) representation of the new or updated file to other network nodes (slave nodes) which obtain such file from the originator or, if need be, from the backup master node. Object observers are utilized to determine changes to the file version variables thereby triggering the downloading of new or updated files into the network nodes, whereby data file replication is accomplished throughout the network. In addition to avoiding a single point of failure, embodiments of the present invention also are network-topology independent. Additional syncing threads are employed as part of the file replication service to further ensure synchronization of the network nodes' data files within a predetermined interval, regardless of network failure modes. Embodiments of the present invention are particularly useful with networks of the client-server storage network variety.
Owner:EMC IP HLDG CO LLC

Data replication facility for distributed computing environments

A data replication facility for distributed computing environments. A computer network having a plurality of network nodes utilizes a distributed directory provider service (DPS) having an established master node. The DPS supports a file replication service (FRS). The FRS establishes one of the nodes as originator node which receives new or updated files from one or more user / GUIs and / or from one or more software providers such as a security provider. The originator node in cooperation with the master node establish a backup copy of the new or updated file in the master node. Thereafter, the originator node publishes a File Version Variable (FVV) representation of the new or updated file to other network nodes (slave nodes) which obtain such file from the originator or, if need be, from the backup master node. Object observers are utilized to determine changes to the file version variables thereby triggering the downloading of new or updated files into the network nodes, whereby data file replication is accomplished throughout the network. In addition to avoiding a single point of failure, embodiments of the present invention also are network-topology independent. Additional syncing threads are employed as part of the file replication service to further ensure synchronization of the network nodes' data files within a predetermined interval, regardless of network failure modes. Embodiments of the present invention are particularly useful with networks of the client-server storage network variety.
Owner:EMC IP HLDG CO LLC

Method for preparing furan or furfural compound from biomass cellulose

The invention belongs to the technical field of conversion of biomass, and in particular relates to a method for preparing a furan compound or a furfural compound by processing biomass cellulose by a hydrothermal liquefaction method. By the method, a furan compound product or a furfural compound product is obtained by processing the biomass cellulose by the hydrothermal liquefaction method under a relatively mild condition by taking the biomass cellulose as a raw material and water as a reaction solvent. The method comprises the following steps: extracting cellulose from biomass, and adding the cellulose into a liquefaction reactor with water in appropriate proportion by taking the cellulose as the raw material; reacting the obtained solution for 0 to 60 min at a certain temperature, and then, taking the obtained product out; and finally, filtering, separating and recycling the solvent by distillation to obtain a product rich in the furan compound or the furfural compound (comprising 5-hydroxymethyl furfural). The preparation method is simple and convenient, can implement the complete recovery of the solvent, has low pollution and a low cost, is favorable for the implementation of industrial production, and provides a new way for efficiently preparing the furan compound and the furfural compound from the biomass cellulose.
Owner:FUDAN UNIV

Safety access method and system based on fire wall policy

ActiveCN103561002AAvoid configuration problems and dangersReduce manual operationData switching networksSecurity policyEngineering
The invention discloses a safety access method and system based on a fire wall policy, and relates to the technical field of computer information security. According to the safety access method and system, configuration problems and dangerousness of the fire wall policy because of habits or unexpected errors of managers can be avoided through the dynamic open configuration according to needs. Furthermore, after equipment is accessed according to needs, a fire wall can close service access states according to fire wall poly instructions, and therefore the equipment can be effectively protected against external accesses and invasions which do not accord with service protocols. Through the dynamic starting-stopping configuration of the fire wall policy, the service protocols of the fire wall are started and stopped, manual operation of the managers is reduced, and therefore losses caused by operation errors can be avoided. A one-to-one safe configuration method between the fire wall safety policy and the equipment is achieved according to network safety check each time, access needs can form an access period, a safe closed ring from access needs to access to access stop is formed, and therefore the target equipment can be effectively protected against network threats in real time.
Owner:ULTRAPOWER SOFTWARE
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