104results about How to "Flexible sharing" patented technology

The invention provides a logistics management method based on a cloud computing technology. After one or more logistics agencies and staff thereof register/login a logistics management server, the logistics management method is characterized by comprising the following steps of: registering logistics information; allocating a unique waybill number; based on the logistics information and the state of each logistics agency and the staff of the logistics agency, allocating a logistics task to an appropriate logistics agency and parties of the logistics agency; sending the logistics information and the waybill number to the terminal equipment of the parties; attaching a waybill having the waybill number or a radio frequency identification (RFID) tag, on which the waybill number is recorded, to corresponding goods; monitoring and recording the parties and position of the goods in the logistics process; providing logistics state information; and after the logistics process is finished, settling accounts. The invention also provides the logistics management server and a logistics management system. By adoption of the logistics management method, functions of tracking logistics state, sharing logistics resources and settling the accounts among a plurality of logistics companies can be realized.

The invention discloses a multi-controller dynamic deployment method of a software defined spatial information network. In the case of flow surge of switching nodes, the overload switch node can be migrated to an adjacent non-overload area by means of the collaboration of the controllers to realize the dynamic migration of the switch so as to reduce the processing pressure of the controllers and realize load balance of multiple controllers. A multi-target optimization method based on switch flow r, an interaction delay t and a controller volume f is provided in view of the migration problem of the overload switch by the controllers, a proper migration switch is selected according to the three parameters, and a target controller is selected according to the supportable residual load of the target controller; and with respect to the underload controller, the target is migrated by considering the requirement that the load of the other controllers can bear the migration of all switches in the underload controller, and then the underload controller is closed. By adoption of the multi-controller dynamic deployment method disclosed by the invention, the network response delay is shortened, the network throughput is improved, and the load balance among the controllers is guaranteed.

Aiming at the problem that resource segmentation and guarantee cannot be carried out according to requirements of a container network in the prior art, the invention provides an SDN-based container network resource scheduling method, which comprises the following steps of: 1, carrying out unified abstraction and description on network software and hardware resources based on an SDN/NFV technology;2, implementing resource allocation and recovery on the container network, integrating resources into a resource pool, establishing and managing a network address resource pool and a network equipment resource pool, providing network equipment resources as required, and recovering the network equipment resources in time when the network is destroyed; And step 3, based on the idea of SDN centralized control, deploying a centralized control server in the container network, and implementing network situation awareness and routing integration. The container network resource scheduling method integrates networking, routing and monitoring by intensively sensing the network situation and reasonably segmenting and recovering the container network resources in combination with the requirements oftasks, thereby realizing the optimal scheduling of the container network resources.

The invention belongs to the technical field of data exchange of the Internet of Things, and discloses a multi-domain data sharing exchange platform architecture based on a block chain, which comprises a data sharing exchange center module used for connecting other subdomain modules in series so as to achieve interconnection and intercommunication among subdomains and the sharing exchange of dataamong the subdomain, and managing sub-domain services and sub-domain data, and integrating all Internet of Things resources into a unified Internet of Things data and service providing platform; subdomains, each domain being customized by a local service provider to meet the protocol specification implementation of the data sharing exchange center. The data generated by the subdomains are stored locally, when data sharing is needed, the data needs to be opened or obtained from other domains, and the idea of taking the data as the center is achieved; when data sharing exchange needs to be carried out between domains, authority judgment is carried out through the data sharing exchange center, interconnection and intercommunication are carried out, the subdomain coupling degree is low, and data sharing with other subdomains can be flexibly carried out.

The invention discloses a SDSIN-based multi-task routing method. The method comprises the following steps: establishing a reasonable network model; carrying out spatial task level division; establishing a mathematical model based on an SDSIN multi-task routing method; making a link parameter decision; and carrying out weight updating. On the basis of the machine learning algorithm, the method considers a plurality of factors such as link state parameters and spatial tasks fully to realize optimal path selection, so that the utilization rate of network resources is increased and a congestion phenomenon of local links is avoided. Meanwhile, QoS requirements of various spatial tasks are met. With full consideration of link characteristics like transmission delay, a packet loss rate and a remaining bandwidth, a training set is trained based on the parameters; the link parameter weights are updated; and thus the multi-tasking routes are selected and recorded. Therefore, the utilization rateof the underlying resources is increased and the load balancing across the entire network is realized.

The embodiment of the invention provides a virtual resource sharing method, device and system. The method comprises receiving resource sharing rules set by a first user, wherein the resource sharing rules comprise the variety and the quantity of virtual resources, which can be provided for at least one other user, and the time range during which the virtual resources can be provided; according to the resource sharing rules, providing the virtual resources to the at least one other user to enable the at least one other user to obtain the use right of the virtual resource. According to the virtual resource sharing method, the executing main body for setting sharing strategies is transferred from an operator to the user, so that multiple users can rapidly and flexibly share the virtual resources, the utilization rate of the virtual resources can be improved, and the cost of the operator can be saved.

The invention provides a dataflow share method, device and system between mobile terminals; the method comprises the following steps: sending a dataflow obtain request to a cloud server, wherein the request carries present geography position information of a shared end; receiving a visit account having a usable dataflow share flow interface and returned by the cloud server according to the present geography position information of the shared end; using the flow interface visit account to visit the flow interface, thus obtaining the usable dataflow. The shared end sending the dataflow demand can share the usable dataflow of a sharing end, providing dataflow sharing, through the cloud server, so the usable dataflow of the sharing end can be fully used, thus improving usable dataflow utilization rate.

Through mobile agent implemented interaction agent, user interacts with network. Representing user, interaction agent as peer entity in interaction is migrated in network and keeps interaction state based on need. Network agent executive environment provides each functional support such as creating, operating and transferring for the interaction agent. Servers provide directory services in one or multiple levels for the interaction agent. The agent executive environment and directory services constitute distributed virtual interaction environment for interaction agent. Modes of each action and cooperated operation customized by interaction agent are corresponding to multiple interaction modes among units and groups in different interaction applications. The invention realizes transparent, intelligent and mobile interaction process among network interaction entities, interactive service in time and flexible information sharing mode.

The embodiment of the invention discloses a spam mail filtering processing method and a system. The method comprises that: an anti-spam mail rule sharing request sent by a first user after selection of a mail address of a second user from a friend relation list is received; an individualized first anti-spam mail rule formulated by the first user and an individualized second anti-spam mail rule formulated by the second user are acquired from an individualized user rule base; whether a first anti-spam mail rule is conflicted to a second anti-spam mail rule is detected; and if the first anti-spam mail rule is not conflicted to the second anti-spam mail rule, the first anti-spam mail rule is integrated into the second anti-spam mail rule so that a third anti-spam mail rule is obtained and acts as a newly individualized anti-spam mail rule for the second user, and a mail whose recipient address is the mail address of the second user is filtered on the basis of the third anti-spam mail rule. The filtering rules can be shared between the users so that effect of filtering spam mails is enhanced.

The invention discloses a D2D distributed power optimization method in a cellular network. The transmission power of a base station and a D2D user is solved in a distributed manner through fixed point iteration, so that the power distribution and communication rate of a D2D device and the base station on different channels are obtained. According to the invention, a non-convex problem is approximated as a divisible convex optimization problem by using a convex approximation method and an optimal solution of the convex problem is obtained through multi-layer iteration rapid convergence. The method provided by the invention is wide in application range, realizes frequency spectrum resource sharing, improves system performance flexibly, reduces computation amount and improves computation speed.

The invention discloses an information database system and an access control method thereof. The access control method of the information database system comprises the following steps: allotting one first-order label and at least one second-order label to each registered object, and checking the labels of for an access command; opening the spacial read and write authority of the currently registered object space in a database to public use under the condition that the access command passes the check of the first-order label of the currently registered object; and opening the spacial read-onlyauthority of the currently registered object space in the database to public use under the condition that the access command passes the check of the second-order label of the currently registered object. Due to the adoption of the invention, the information database information can be kept secret, exchanged and shared flexibly and safely.

The invention provides a ship tail end power distribution system. The system comprises a power network used for power transmission and an information network used for managing a regional power distribution system, a digital control mode is adopted, the power flow of all branches or ports is accurately controlled, the power scheduling function is optimized, the simultaneous parallel power supply ofmultiple paths of power sources is achieved, and a power supply mode is converted from passive power distribution to active power distribution; by connecting an electric energy interconnection deviceand port equipment thereof and communicating with a ship energy management system and a comprehensive platform management network, the accurate guarantee and reasonable distribution of the electric energy in the area are effectively performed as required, and the fusion of the energy flow and the information flow is realized.

The invention provides an Internet of Things data security sharing method based on privacy protection. The method comprises the following steps: initializing protocol parameters in an information sharing network domain; registering a terminal member; enabling the terminal member to acquire own attribute authority parameters, calculating encryption keys according to the Chinese remainder theorem, encrypting shared information resources and storing the encrypted information resources in an off-chain database; calculating intermediate parameters required for storing the information resources, generating index information of the shared ciphertext and packaging the index information in a block, and so on, enabling each terminal member to store related information of the ciphertext in the blockto generate a block chain; and accessing and sharing the ciphertext. Identity and attribute parameter matching dual authentication is adopted to prevent collusion attacks and protect personal privacy,an attribute matching access control strategy is combined with a block chain technology to guarantee the safety of shared resource information, the storage burden is reduced, information resource sharing in the industrial Internet of Things is more flexible, efficient and practical, and the method has important field research significance and commercial application value.

The invention provides a dynamic authority access control method based on privacy protection, which comprises the following steps: initializing protocol parameters in an information sharing network domain, carrying out identity authentication of hidden attributes on terminal members, and after the authentication succeeds, setting, by a data sharer, the access authority of the shared resources according to the attribute parameters of the data sharer, encrypting the shared resources and storing the encrypted shared resources into an encrypted database; searching for, by a data acquirer, the shared resource to be accessed according to a keyword, acquiring a ciphertext storage link after verifying the access authority, downloading the ciphertext resource through the link, and calculating a decryption key to decrypt and acquire the ciphertext resource; and meanwhile, updating, by a terminal member, the access authority of the terminal member by acquiring rewards or punishment and the like.Double authentication is used to prevent collusion attacks, the safety of shared resources is guaranteed, personal privacy is protected, flexible and fine-grained data resource access is achieved based on attribute matching dynamic access control, access management is greatly simplified, and resource sharing is more flexible, efficient and practical.

The invention discloses a fast optimization algorithm of D2D power distribution in case of single-channel cellular users. A communication rate optimization problem of D2D users based on a cellular system is a complex nonconvex nonlinear optimization problem. The cellular users that the fast optimization algorithm aims at utilize a single channel, while the D2D users utilize multiple channels; the algorithm can be used for quickly optimizing and solving the transmitting power pi of the cellular users and the transmitting power qi of the D2D users in a plurality of cases such as cellular users, power limitation and independent power limitation, and D2D users, power limitation and independent power limitation, and the like. The transmitting power obtained by use of the optimization algorithm is capable of ensuring the communication rate requirements of the cellular users and maximizes the sum of the communication rate of all the D2D users on all the cellular frequency bands. The algorithm has the advantages of high convergence rate, small calculation amount, easy implementation, high result accuracy and the like.