42 results about "Time to live" patented technology

A method is provided by which a subscriber accesses an SDV channel using a set top terminal. The method begins when the set top terminal receives a user request to tune to a first SDV channel. An active services list is also received over an access network. The active services list includes an entry for each currently available SDV program and a time-to-live (TTL) associated therewith. Tuning information is identified for the first SDV channel from its entry in the active services list. The set top terminal tunes to the first SDV channel using the identified tuning information. The channel change information associated with the user request is locally stored in set top terminal for transmission over the access network at a later time.

Systems and methods for network traffic monitoring are provided. A system may obtain a data packet of a data packet exchange between the server and a network device, extract a time to live (TTL) value and an internet protocol (IP) address of the network device from the data packet, compare the TTL value with a TTL value range or signature determined based on TTL values observed from data packets transmitted across a communications network, determine that the TTL value violates an authentication policy based on the TTL value being outside of the TTL value range or signature, and apply a tag to the IP address of the network device in a database stored memory.

The invention relates to a solid state disk dynamic wear balancing method and system based on data popularity, and the method comprises the steps: tracking the access characteristics of each data page in a solid state disk through a page-level counter, and enabling the access characteristics to comprise the write operation frequency, the modification period and the survival time; the data pages are dynamically divided into high-heat data, medium-heat data or cold data based on a preset threshold value, and corresponding heat layering labels are marked; collecting accumulated writing times and I / O request queue length of each channel of the solid state disk in real time, and calculating wear imbalance degree and load imbalance degree; performing data exchange according to a preset exchange mode priority based on the popularity hierarchical label, the wear imbalance degree and the load imbalance degree; and updating the logic mapping table and the channel state parameters, carrying out statistics on the balance income and the system overhead, and dynamically correcting the tolerance coefficient based on the current load type according to the income-overhead ratio.

System and method for fine granularity control of data access and usage for across multi-tenant systems. A user makes a request to access a particular set of data from a particular remote data source for a specific purpose. The system authorizes the user to validate whether the user is qualified to make the request. The data source is checked to see if the particular data has been granted access for that particular purpose. A cloud neutral token is created and converted into a cloud specific token upon reaching the remote data source. The cloud specific token is used to create a temporary IAM role and IAM policy with a predetermined time to live. After the time to live expires, the IAM role and IAM policy are deleted.

The invention provides a data processing method and system, and relates to the technical field of data processing, and the data processing method comprises the steps: obtaining a network exception time period of a domain name system (DNS); obtaining domain name query information in the network abnormal time period, and determining a white list domain name based on the domain name query information; reading the TTL (Transistor-Transistor Logic) of the white list domain names from the cache server, and grouping the white list domain names in the cache server according to the TTL to obtain one or more groups corresponding to the white list domain names; and in response to the TTL of the group meeting the updating condition, sending an updating request to the recursive server to obtain the latest address information of the white list domain name in the group, and sending the latest address information to the cache server corresponding to the group to update the address information, the technical problem of link congestion caused by simultaneous iterative query of the same domain name in the prior art is solved, and the utilization rate of the server is improved.

A barcode-based networking method includes the following steps: scanning the barcodes of multiple network devices using an electronic device to obtain the identifiers of each network device, and setting a lifespan parameter, a network group code for each network device, and operating parameters for each network device; designating an agent device by the electronic device and transmitting the lifespan parameter, identifier, and network group code to the agent device; generating a networking command signal by the agent device based on the lifespan parameter, identifier, and network group code, and broadcasting the networking command signal through a general communication channel; upon receiving the networking command signal, any network device finds its corresponding network group code based on the networking command signal and enters the mesh network; after entering the mesh network, the network device transmits a reporting signal to the agent device through the mesh network's communication channel; upon receiving the reporting signal, the network device sends the corresponding operating parameters to the network device through the mesh network's communication channel.

This application provides a data processing method, electronic device, medium, and product; wherein, the method includes: obtaining a time parameter when target data enters the cache and the lifespan of the target data; the time parameter includes a count value of a global counter; inserting the target data into a classification list based on the lifespan and the count value; the classification list is used to aggregate data with the same expiration time and expiration cycle; cleaning the target data based on the classification list, which can aggregate data with the same expiration time and expiration cycle together, and realize efficient querying and cleaning of expired data.

Optimizing network load in multicast communications including receiving, at a first interface of a first router from a second router, a multicast packet for a multicast group; determining whether a time to live (TTL) value of the multicast packet is equal to zero; and sending, in response to determining that the TTL value of the multicast packet is equal to zero, a Protocol Independent Multicast prune message on the first interface of the first router, wherein the Protocol Independent Multicast prune message comprises a request to stop receiving multicast traffic for the multicast group.

The invention provides a mobile communication control plane signaling-based user identifier storage association method and system, and the method comprises the steps: obtaining a structured information data packet of a control plane signaling, extracting a user identifier key field, and obtaining a user identifier storage structure table; taking an F-TEID network element I P, an F-TEID tunnel I D and an inner layer I P address in the user identification storage structure table as a control plane triple key, and sending the user identification storage structure table to a user identification storage unit corresponding to the database cluster according to a hash value corresponding to the control plane triple key; managing the survival time period of the user identifier according to the PDU session operation type and the interception timestamp; and taking an F-TEID network element I P, an F-TEID tunnel I D and an inner layer I P address of the user plane data as a user plane triple key, and associating the user identifier with the user plane data by adding fields. According to the method and the device, the problems of user plane association errors and signaling plane time delay are solved, and accuracy verification, distributed storage and dynamic capacity expansion can be realized while query is performed.

The invention relates to the technical field of data processing, provides a server host intrusion behavior detection method, device and equipment and a medium, and is applied to financial and medical health care service scenes. The initial normal behavior panoramic feature map is constructed based on the to-be-processed log data, so that scattered log data can be converted into structured graph data, and a comprehensive data model is provided for subsequent detection; on one hand, the survival time of each node is configured, and the amount of graph data can be effectively controlled while the valuable data is kept; and on the other hand, after the perfection period is finished, aggregation statistics is performed on the abnormal events based on a sliding time window mechanism, and whether an intrusion risk exists or not is detected according to an aggregation statistical value, so that the false alarm rate of accidental events can be reduced while abnormal behavior detection is maintained, unknown threats and newly-added attack behaviors are effectively identified, and the detection accuracy is improved. Therefore, the detection accuracy is improved.

The technology disclosed herein relates to enhancing satellite coverage and improving user device experiences. For example, the technology discussed herein can include establishing a radio resource control (RRC) connection between a satellite and a user device (e.g., an active or idle RRC connection). Based on the RRC connection, the satellite can generate a message (e.g., an RRC connection release message) that includes a time to live parameter within a spare field of the message. Based on the satellite transmitting the time to live parameter to the user device, the user device can initiate one or more user device actions. For example, the user device can initiate a timer corresponding to scanning for a frequency band.

System and method for fine granularity control of data access and usage for across multi-tenant systems. A user makes a request to access a particular set of data from a particular remote data source for a specific purpose. The system authorizes the user to validate whether the user is qualified to make the request. The data source is checked to see if the particular data has been granted access for that particular purpose. A cloud neutral token is created and converted into a cloud specific token upon reaching the remote data source. The cloud specific token is used to create a temporary IAM role and IAM policy with a predetermined time to live. After the time to live expires, the IAM role and IAM policy are deleted.

The embodiment of the application provides a kind of data transmission method, terminal, network side equipment and computer readable storage medium, it is related to communication technical field.The method is executed by terminal, comprising: when uplink data transmission fails, the first device for timing is started;When the timing of the first device meets the condition, data transmission operation is executed.The embodiment of the application provides an effective solution realized by terminal device for the case that survival time timeout causes service reliability to reduce, cannot satisfy the reliability requirement of service transmission, terminal starts the first device for timing when discovering uplink data transmission failure, and executes data transmission operation when the timing of the first device meets the condition, to improve the reliability of service transmission, to meet the requirement of service transmission quality of service QoS performance.

Systems, methods, and devices for wireless communication. Configuration information indicating a configuration for an acknowledgement mode (AM) radio link control (RLC) entity is received. A packet data unit (PDU) set is received by a packet data convergence protocol (PDCP) entity. The AM RLC entity is configured for retransmission based on at least one condition, wherein the at least one condition includes PDU set characteristics and / or PDU set transmission status. And transmitting the PDU set through the AM RLC entity. An RLC state PDU indicating an RLC state is received. One or more PDUs in the set of PDUs are retransmitted by the RLC entity in response to the RLC status. In some implementations, the PDU set characteristics include a priority level of the PDU set and / or a type of the PDU set. In some implementations, the PDU set transmission state includes a time to live (TTL) threshold.

The invention relates to the technical field of data analysis and visualization, in particular to a water operation and maintenance data analysis and visualization method and system. The method comprises the following steps: acquiring real-time operation and maintenance monitoring data of various parameters, calculating data fluctuation entropy, calculating an interactive adjacent weight of each data object when a front-end visualization request is received, and calculating a cache priority in combination with the data fluctuation entropy, if the cache priority is higher than a preset cache trigger threshold value, triggering an associated data analysis task and storing the task into a data analysis cache, constructing a data visual cache, assigning a rendering parameter according to data fluctuation entropy, calculating cache survival time based on an interactive proximity weight, and obtaining a data analysis result; when the residence duration exceeds the cache survival time or the data fluctuation entropy exceeds a preset fluctuation threshold value, the analysis result and all the associated items are set to be invalid. According to the scheme, the computing resources can be allocated according to needs, so that the high-fluctuation nodes are highlighted on the visual interface, and the timeliness of the cache analysis result is ensured.

The application provides a path tracking method, device and storage medium. The method comprises the following steps: receiving first IPv6 segment routing (SRv6) function information sent by a second type network node, wherein the first SRv6 function information is used to indicate that a first type network node analyzes an inner layer IP path tracking message corresponding to a received double-layer IP message; constructing a local processing function table according to the first SRv6 function information; in the case that a double-layer IP message forwarded by a third type network node is received, intercepting the double-layer IP message according to the local processing function table, and performing a local processing function indicated by the first SRv6 function information, wherein the local processing function comprises the following steps: analyzing the inner layer IP path tracking message corresponding to the double-layer IP message, and checking an IPv4 time to live or an IPv6 hop limit field of the IP path tracking message.

Embodiments of the present disclosure relate to a network topology construction method and device, equipment and medium, wherein the method comprises: obtaining network attribute information of each network device included in a current network segment, the number of network devices being a plurality; based on the survival time in the network attribute information of each network device, constructing a plurality of device sets; performing matrix processing on the plurality of device sets to determine the topology relationship of each network device, and constructing the network topology of the current network segment based on the topology relationship. By using the above technical solution, after constructing a plurality of device sets from the network attribute information of a plurality of network devices in the current network segment, the topology relationship between the network devices is determined by matrix processing on the plurality of device sets, which can improve the calculation efficiency of topology relationship determination, reduce the labor cost and time cost, and thus improve the efficiency of network topology relationship construction.

Embodiments of the present specification provide a data access method, a data cleaning method, a streaming data system, a computing device, a medium and a program product for a streaming computing scenario, the data access method comprising: receiving a data access request, the data access request comprising a first query identifier of to-be-accessed data; according to the first query identifier, a target index block is determined from a plurality of index blocks, each index block comprises at least one identifier address pair, and the identifier address pair comprises a query identifier and an access address of the data; based on the first query identifier, scanning an identifier address pair in the target index block, and determining a target access address; and when the survival time of the identification address pair corresponding to the target access address does not reach a preset time threshold, accessing the to-be-accessed data based on the target access address. The data access address is stored through the index block instead of the data itself, the data is supported to be stored outside the memory, memory overflow data inaccessibility caused by data volume increase is avoided, and the access reliability is improved.

An auto discovery (AD) protocol is provided for discovering within a communication network of an irrigation system how many hydraulic infrastructures were laid in a field. The AD protocol includes communicating within the communication network in a downstream direction messages that comprise each a Time to Live (TTL) field and determining based on responses that are received in the upstream direction the amount of hydraulic infrastructures that were laid in the field.

Systems and methods for network traffic monitoring are provided. A system may obtain a data packet of a data packet exchange between the server and a network device, extract a time to live (TTL) value and an internet protocol (IP) address of the network device from the data packet, compare the TTL value with a TTL value range or signature determined based on TTL values observed from data packets transmitted across a communications network, determine that the TTL value violates an authentication policy based on the TTL value being outside of the TTL value range or signature, and apply a tag to the IP address of the network device in a database stored memory.

The invention discloses an AP (access point) reporting method, device and equipment of a direct switch, a medium and a product, and relates to the technical field of communication, and the method comprises the following steps: obtaining a keep-alive message sent by a wireless AP; extracting a time to live (TTL) value in the keep-alive message according to the keep-alive message; if the TTL value is a preset maximum value, judging that the AP is directly connected with a switch; under the condition that the AP is directly connected with the switch, extracting an MAC address of the AP in the keep-alive message and port information for receiving the keep-alive message; and generating a report message according to the MAC address and the port information, and sending the report message to a cloud platform. The method can accurately reflect the actual connection relationship between the AP and the switch.

The invention discloses a Linux process layered monitoring method and system based on a dynamic decision engine, and belongs to the technical field of operating system security monitoring. The method comprises the following steps: sensing a system environment, and detecting the support capability of the system to a monitoring technology; capturing a process creation event through a lightweight trigger, extracting a process identifier, predicting survival time and a security risk score feature; dynamically selecting an optimal monitoring channel for the process by a dynamic decision engine according to the characteristics and the system load: distributing a short-life-cycle or low-risk process to a high-performance eBPF channel, distributing a high-risk or key process to an auditd channel with complete functions, and automatically degrading to an inotify-based standby channel when the eBPF is unavailable; and uniformly processing and outputting the heterogeneous monitoring data. According to the method, static configuration is replaced by intelligent decision, and the problem that an existing monitoring scheme cannot consider high performance, low overhead, completeness and environment universality at the same time is solved.

The invention discloses an equipment risk identification method, system, equipment and product, and belongs to the technical field of communication security. According to the method, the current weight of the IP address sequence is calculated in a time sequence attenuation mode, and the IP weight is automatically attenuated by using the time sequence attenuation characteristic of the IP address, so that the historical behavior of the equipment after the IP is replaced quickly loses efficacy, and the anti-interference capability is improved; the suppression weight of the SIM card replacement behavior is calculated by adopting a double-factor suppression function, and the high-frequency abnormal SIM card replacement behavior is suppressed through the double-factor suppression function based on card replacement frequency suppression and SIM card survival time suppression, so that the recognition sensitivity of malicious equipment is remarkably improved; and weight fusion score calculation is carried out according to the current weight and the inhibition weight, a two-dimensional time sequence attenuation mechanism is formed through cooperative superposition of IP weight attenuation and SIM replacement inhibition, a dynamic, tamper-resistant or anti-counterfeiting equipment portrait is constructed together, and the tamper-resistant or anti-counterfeiting capability and the anti-interference capability are effectively improved.

The present disclosure provides a network communication method and a branch apparatus. The method is applied to a branch apparatus which communicates with a central apparatus through a public network. The method includes: receiving a public IP address sent by the central apparatus after determining that a network address translation, NAT, gateway exists between the branch apparatus and the public network, wherein the public IP address is an internet protocol, IP, address of a target interface included in a target NAT gateway; sending a probe request packet to the target interface, the probe request packet including a destination IP address, the destination IP address being different from the public IP address and in the same network segment as the public IP address; obtaining the number of network apparatuses in a forwarding path for forwarding the probe request packet based on a probe result; sending a NAT keepalive packet to the central apparatus based on a preset period, the NAT keepalive packet including a first time to live, TTL, the first TTL being a sum of the number and a first value. Implementing the method provided in the present disclosure may avoid the impact on traffic forwarding of the central apparatus caused by the NAT keepalive packets.

The invention discloses a satellite internet cross-layer software-defined deception defense system and method, and relates to the technical field of network security and satellite communication. The system comprises a ground safety control center, a cloud bait pool and a ground station gateway. The ground safety control center calculates physical layer parameters of the virtual satellite relative to the ground station in real time based on the orbit data; the cloud bait pool generates an IQ baseband stream of bait response data; the ground station gateway comprises a virtual radio frequency head (VRH) which receives an IQ flow pushed by the cloud and modifies a radio frequency signal in real time according to calculated physical layer parameters (Doppler frequency shift and spatial propagation delay). Traffic hijacking is achieved through the SDN, software and hardware decoupling is achieved through the VRH, physical characteristics conforming to the orbit dynamics law are injected into the radio frequency signals, the problems of physical fingerprint missing and deployment rigidness of an existing bait system are solved, full-dimension high-fidelity cheating from a protocol layer to a physical layer is achieved, and the system is high in robustness and high in robustness. The survival time of the honeypot is effectively prolonged; and the threat intelligence collection capability is improved.

This application provides a seamless handover system and method for distributed mesh self-organizing networks. It performs similarity matching based on the jitter feature vector of the current communication link and a historical handover sample library of the mesh self-organizing network to predict the remaining lifetime of the current communication link. If the remaining lifetime is less than a preset safe handover window, candidate target nodes are selected from the mobile node's adjacent fixed nodes according to the mobile node's movement direction and the topology connection density of the current communication link. Pre-handshake signaling is sent to the candidate nodes to establish a data dual-transmission channel in advance. After the data dual-transmission channel is established, the service traffic of the current communication link is allocated to the original link and the target link. The allocation weight is dynamically adjusted according to the real-time throughput difference between the original link and the target link until the original link is completely interrupted, completing a full traffic handover. Based on the above scheme, an early handover triggering mechanism based on link state prediction can be realized.

The application discloses a resource management method, device, terminal and readable storage medium, and belongs to the technical field of communication. The resource management method comprises the following steps: a first protocol entity of a terminal acquires auxiliary information corresponding to at least two network nodes; the first protocol entity of the terminal judges whether a target bearer enters a survival time state or exits the survival time state based on the auxiliary information; a second protocol entity of the terminal acquires first indication information related to the target bearer, and adopts a target resource allocation rule based on the first indication information; and the terminal performs uplink resource allocation on the target bearer according to the target resource allocation rule.

System and method for fine granularity control of data access and usage for across multi-tenant systems. A user makes a request to access a particular set of data from a particular remote data source for a specific purpose. The system authorizes the user to validate whether the user is qualified to make the request. The data source is checked to see if the particular data has been granted access for that particular purpose. A cloud neutral token is created and converted into a cloud specific token upon reaching the remote data source. The cloud specific token is used to create a temporary IAM role and IAM policy with a predetermined time to live. After the time to live expires, the IAM role and IAM policy are deleted.

The present application relates to devices and components including apparatuses, systems, and methods for user equipment transmission power control based on a target survival time. The power control scheme may comply with a specific absorption rate (SAR) requirement. For example, the UE may determine the target survival time for a communication session, e.g., based on context information associated with the communication session such as an application, a type of application, and / or an expected uplink connection duration associated with the communication session. The UE may determine a value of the transmission power based on the target survival time, e.g., to ensure that the UE can maintain the value of the transmission power for at least the target survival time while also complying with the SAR requirement.