359 results about "Content delivery network" patented technology

The invention discloses a method for applying linear programming to CDN (Content Delivery Network) scheduling, which relates to the technical field of content delivery networks and comprises the steps of data preparation, strategy layer version smooth configuration, macroscopic layer and microscopic layer linear solution and online execution. Basic data are collected, cleaned and repaired, and a version change rule is set; the macroscopic layer constructs a linear programming model, and the cross-provincial bearing quota is solved with the aim of minimizing the cross-provincial cost; the micro layer takes the quota as a boundary and generates domain name class-node weight vectors in parallel; and adapting a routing request online through weighted rendezvous hashing and request features. According to the method, a dynamic cost matrix and a weight granularity control technology are integrated, the engineering problem of linear programming is solved, second-level response, approximate global optimal scheduling and accurate execution of floating-point-level weight are realized, memory overhead is reduced, smooth updating of a strategy and system stability are guaranteed, and CDN service quality and operation efficiency are improved.

The invention provides a content distribution network traffic alarm method and device and electronic equipment, and aims to solve the problem of insufficient accuracy of abnormal traffic detection. The method comprises the following steps: acquiring a content delivery network (CDN) real-time traffic log, wherein the CDN real-time traffic log is generated by a CDN server; analyzing a plurality of dimension labels from the CDN real-time traffic log; for each label combination determined by the plurality of dimension labels, calculating the CDN real-time traffic log according to the label combination to obtain the peak traffic of the label combination; obtaining a CDN historical flow log, and calculating the baseline flow of the label combination according to the CDN historical flow log; and generating an alarm message of the CDN real-time traffic log according to the peak traffic of the label combination and the baseline traffic of the label combination, wherein the alarm message comprises the label combination and the peak traffic of the label combination.

An example device for retrieving media data includes: a memory configured to store media data; and a processing system implemented in circuitry and configured to: determine that media data of a media presentation is available from multiple service locations; send a request for the media data of the media presentation such that the request specifies that the media data is to be retrieved using the multiple service locations; and retrieve the media data from at least one of the multiple service locations. For example, to retrieve the media data, the processing system may be configured to: retrieve a first portion of the media data from a first service location via a first transport session, and retrieve a second portion of the media data from a second, different service location via a second transport session.

Low latency, over-the-top (OTT), and / or adaptive bitrate (ABR) content streaming is provided. Content delivery is enhanced by determining if a fragment of a content segment at a content delivery network (CDN) edge node meets a threshold for preferential encapsulation and transport. If met, preferential encapsulation and transport to the client device is provided; otherwise, it defaults to non-preferential encapsulation. The size of the fragment is quantified at a parser of the CDN edge node or an ABR segment encryption system. The ABR system may be connected between a content source and a CDN origin and may include an encryptor that sends CMAF video and audio segment's fragment byte offsets metadata. Also, the CDN edge node may include the ABR system and an encryptor that sends an encrypted CMAF segment's fragment size to a threshold calculator of an HTTP server. Related apparatuses, devices, techniques, and articles are also described.

An aspect of the disclosure related to methods and systems configured to detect that an item of streaming primary video content associated with a channel of scheduled streaming content is designated to be streamed to a device. Ancillary content is identified. Alternative versions of respective sections of the ancillary content are identified. Metadata corresponding to the alternative versions of ancillary content, metadata corresponding to the item of primary video content, and / or metadata corresponding to the channel are used in selecting a first section from among the alternative versions of a given section. The ancillary content, including the selected first section from among the alternative versions is streamed to the device immediately before, during, or immediately after the item of streaming video content. The alternative versions may be transcoded to generate multiple encoded iterations of respective alternative versions and the encoded versions are stored in a tree data structure.

One or more embodiments of the invention provide a log storage method, a computer readable storage medium and a program product, the method is applied to a main cluster, and the main cluster is configured with a first message queue; the method comprises the following steps: acquiring log data of a content delivery network (CDN); storing the log data to the first message queue; and sending the log data in the first message queue to an auxiliary cluster, so that the auxiliary cluster stores the received log data to a second message queue configured by the auxiliary cluster.

A Content Distribution Network (CDN) may implemented as a front door to a RAG-based LLM for the purpose of semantically caching LLM responses to natural language prompts. More specifically, the CDN may also cache document citation(s) and / or user tag(s) along with the LLM response for purposes of ensuring that access permission constraints of the RAG are observed when providing cached LLM response as direct responses to semantically similar natural language prompts. Additionally, the CDN may be configured to modify and / or purge cached data from the CDN's cached memory database based on instructions received from a data access control (DAC) entity of the organization or enterprise client. This may ensure that the CDN observes any changes to the access permission constraints that might be made by the DAC entity.

Described herein are solutions for real-time precise ionosphere corrections. An integrate and dump (I&D) server can receive a Networked Transport of Radio Technical Commission For Maritime Services (RTCM) via Internet Protocol (NTRIP) bit stream of a spherical harmonic model for precise point positioning (PPP). The model can be a vertical total electron content (VTEC) spherical harmonic expansion model and / or can include a set of ionosphere coefficients for correcting errors in satellite signals due to ionospheric conditions. The I&D server can generate a file of ionosphere coefficients, according to a refresh timer, and can send the file to a content delivery network (CDN) for distribution to user equipment (UEs) upon request. These and many other features and examples are described herein.

A user device may be configured to make a better choice between switching to a different content bit rate or switching to a different content server when responding to interruptions during content output, based on an awareness of a cause of the interruptions. Based on conditions associated with content delivery or information concerning playback quality at one or more user devices, an alternative bit rate ladder for encoding content may be determined. Such dynamic generation of an alternative bit rate ladder may enable fine tuning of load reductions in the content delivery network and optimized delivery of the encoded content to the user devices.

In particular, there is disclosed a player device (10, 10a, 10b, 10c, 10d) for participating to a synchronized group media playback in a group (210) of player devices (10, 10a, 10b, 10d), the player device (10) being configured to control at least one hardware media renderer unit (1), the player device (10) being configured to: receive, from a remote cloud backend system (4), an information (37a, 38) of being part of the group (210) in a same local network, and, once having received the information (37a) of being part of the group (210): participate to a primary election, among the group (210), the primary election electing a primary player device (10a), the remaining player device or player devices (10b, 10d) in the group (210) being defined secondary player device or secondary player devices (10b, 10d); in case of the player device (10) being elected primary player device (10a), receive media content (51, 51a) from a content distribution network (5, 5a) and retransmit the media content (51, 51a) to the secondary player devices (10b, 10d), and in case of the player device not being elected primary player device (10a) and therefore resulting a secondary player (10b, 10d), receive media content (51, 51a) from the primary player device (10a), both in case of being elected primary player device and in case of being a secondary player device, control the at least one hardware media renderer unit (1) to render the media content (51, 51a).

The embodiment of the invention provides a back-to-source request processing method, a content distribution network system and a back-to-source method, and relates to the field of financial science and technology and the field of distribution. The method comprises the following steps: receiving a back-to-source request sent by an edge node; judging whether the back-to-source request can be responded or not; responding to the back-to-source request under the condition that the back-to-source request can be responded, and pulling the static resource requested in the back-to-source request from the static resource storage device under the condition that the back-to-source request cannot be responded; and caching the pulled static resource, and responding to the back-to-source request based on the pulled static resource. By multiplexing server nodes, adding a layer of cache and realizing a double-layer cache strategy, after a back-to-source request of an edge node is received, the back-to-source request is responded based on a local cache, and when the back-to-source request cannot be responded, the back-to-source request is pulled from a static resource storage device, so that the performance pressure of a server side during edge back-to-source can be reduced in a high-access-volume system, and the performance of the edge back-to-source system is improved. And the availability of the server is effectively protected.

The embodiment of the invention provides a scheduling method, system and device, a computer program product and a storage medium. Content attribute description information and a charging-free bandwidth amount on each edge node in an access layer of the content distribution network are introduced as a scheduling basis, so that the scheduling capability of content granularity is realized in a control center of the content distribution network, and the edge nodes can refer to a scheduling range provided by the control center; dynamic networking is carried out on the content access request needing to be scheduled in the access layer, the response link generated by networking can fully utilize the charging-free bandwidth in the access layer, and the content hit rate of the content access request in the access layer can be fully guaranteed. Therefore, the charging-free bandwidth in the access layer can be utilized to realize the response to more content access requests in the access layer, so that the bandwidth use of a middle layer and a source station of the content distribution network can be effectively reduced, and the bandwidth cost in the content distribution network is reduced.

In one embodiment, a method of streaming scheduling for a plurality of content delivery networks includes: for each content delivery network of the plurality of content delivery networks, receiving a plurality of parameters at least from the content delivery network, wherein the plurality of parameters is processed into a plurality of metrics; identifying a scheduling scene for the content delivery network; determining a weight for each metric of the plurality of metrics based on the scheduling scene; determining a scheduling score for the content delivery network based on the plurality of metrics and the respective weights; and based on the scheduling score of each content delivery network of the plurality of content delivery networks, allocating a content delivery event among the plurality of content delivery networks.

A content provider has a plurality of content provider domain names, and a content delivery network (CDN) allocates a plurality of CDN domain names to the particular content provider. The content provider domain names are mapped to the CDN domain names. CDN domain names are bound to corresponding CDN clusters. The binding of the CDN domain names to corresponding CDN clusters is modified.

Provided in the embodiments of the present disclosure are a data traffic distribution method and apparatus, an electronic device and a storage medium. The method comprises: acquiring a content delivery network topological diagram of a content delivery network system, the content delivery network topological diagram comprising content delivery network nodes located at different hierarchical levels, the hierarchical structure of the content delivery network topological diagram representing the multi-level cache architecture of the content delivery network system, and the connection relationship between the content delivery network nodes representing transmission paths of data traffic; on the basis of the content delivery network topological diagram, obtaining the global capacity of the content delivery network system; and, on the basis of service data of a target service, distributing the global capacity so as to obtain an available capacity corresponding to the target service, the service data representing service traffic volume features of the target service.

The present disclosure provides a content distribution network interconnection routing redirection method and device and related equipment, and relates to the field of computer networks and information technology. The method is applied to a content distribution network interconnection system, the content distribution network interconnection system comprises multiple downstream content distribution networks, and the method comprises the following steps: receiving a redirection request sent by a downstream content distribution network to be redirected; and sending a target service request to a target downstream content distribution network according to the redirection request, so that the target downstream content distribution network provides target services. The present disclosure allows direct cooperation between downstream content distribution networks, and can reduce the dependence on real-time scheduling of upstream content distribution networks.

Dynamic content can be delivered via email. Email messages include HTML content with one or more hyperlinks referring to a network-connected dynamic content server. The hyperlinks are accessed upon rendering of the email on a client device, triggering a request to a dynamic content server. The dynamic content server determines a content item to be served in response to the request. The dynamic content item determination may be based on factors including the identity of the requester, the email communication in which the hyperlink is embedded, recent activities or behavior on the part of the requester, and / or known preference or demographic information associated with the requester. The request can be directed to a selected content item stored within a content delivery network, for transmission back to the requester and display to the user within the email.

The embodiments of the present disclosure provide a video processing method and apparatus, and an electronic device. The video processing method includes: acquiring a first video and first information, where the first information is used for generating a second video, and the first information comprises an identifier of an audio and editing information; acquiring the audio in a content delivery network based on the identifier of the audio; and generating the second video based on the first video, the audio, and the editing information.

A computer-implemented method, operable with a content delivery network (CDN) uses late binding of caching policies; by a caching node in the CDN, in response to a request for content, determining if the content is cached locally. When it is determined that said content is cached locally, then: determining a current cache policy associated with the content; and then determining, based on said current cache policy associated with the content, whether it is acceptable to serve the content that is cached locally; based on said determining, when it is not acceptable to serve the content that is cached locally, obtaining a new version of the content and then serving the new version of the content, otherwise when it is acceptable to serve the content that is cached locally, serving the content that is cached locally.

The disclosure discloses a method, apparatus, electronic device, and storage medium for audio and video synchronization monitoring, wherein the method is applied to a data push streaming end includes: collecting audio data and video data to be pushed for streaming, and encoding the audio data and video data; selecting a video reference frame from the video data and adding supplemental enhancement information during an encoding process of the video reference frame, wherein the supplemental enhancement information comprises reference information for synchronized playback of the audio data and video data; and pushing the encoded audio data and video data into a target content distribution network for the data pull streaming end pulls the audio data and video data by a third-party server, and monitoring the audio data and the video data based on the additional enhancement information to achieve the synchronized playback.

This application discloses a CDN access method, apparatus, electronic device, and storage medium. It involves obtaining a Content Delivery Network (CDN) access request for accessing a target website; wherein the CDN access request includes the Internet Protocol (IP) address of the request initiator; obtaining the cumulative number of accesses to each candidate response node by the request initiator's IP address; and selecting a target response node from among the candidate response nodes based on the cumulative access count, so as to access the target website through the target response node. This application improves the accessibility of IP addresses.

A cache validation system receives Content Delivery Network (CDN) caching rules and a request log, such as a log of HTTP requests received by a CDN. The cache validation system generates test requests from the CDN caching rules and the request log. In a testing environment, the cache validation system determines one or more cache validation indicators, such as, but not limited to, a hit-to-miss value, from the test requests and the CDN caching rules before application of a proposed change to a CDN caching rule. The cache validation system applies the proposed change to the CDN caching rules in the testing environment. The cache validation system determines one or more updated cache validation indicators from the test requests for the CDN caching rules after application of the proposed change. If the initial and updated cache validation indicator(s) satisfy a threshold, then the cache validation system can provide a notification.

Methods and systems for intelligently managing user interactions and experiences with content delivery networks (CDNs)to promote energy efficiency, user privacy, and security are provided. A CDN collects data relating to one or more user’s interactions with an application. Machine learning (M / L) models analyze and train on the usage data to predict user behavior patterns, application performance trends and device metrics to reduce energy consumption. The predicted outputs may be used to generate a real-time adaptive user interaction policy configured to enable proactive system energy consumption savings and optimizations.

Media plan generation systems and methods for TV advertising are disclosed. Embodiments of these systems and methods are adapted to generate a media plan comprising a core plan and a test plan. The core plan may be produced based on historical models regarding historical performance of an entity's media while the test plan may be produced based on a predictive model of media performance.

The invention discloses a front-end resource disaster recovery method, electronic equipment, a storage medium and a program product, and relates to the technical field of Internet, comprising the steps of uniformly gathering disaster recovery decision logic from a client to a server, solving the inherent problems of'black box ', difficulty in operation and maintenance and poor consistency of a client scheme, and improving the disaster recovery efficiency. A foundation is laid for constructing an observable and manageable disaster recovery infrastructure; the'health state information 'is combined with the'network address scheduling strategy', so that the failover occurs before the user request is processed; the resource link in the hypertext markup language document is available, so that the performance loss and the experience lagging caused by waiting for overtime loading of the front-end script are eliminated; the uniform resource locators of all the static resources are uniformly replaced in one-time server rendering, so that all the static resources in the page are ensured to be from the same content distribution network address, and page errors caused by mismatching of resource versions are avoided.

Methods and apparatus are provided for content delivery. In one aspect, a method of receiving content in a device comprises sending a first request for content to a first network node. The device then receives a response from the first network node that indicates a content delivery network and a data transfer policy. In this aspect the first network node is not part the of the content delivery network. The method also includes sending a second request for the content to the content delivery network, wherein the second request indicates the data transfer policy. The device then receives the content from the content delivery network according to the data transfer policy. The content is received at a lower quality than what is available from the content delivery network and what the device is capable of selecting.

The invention discloses a request scheduling method and device in an access emergency scene, and relates to the technical field of computers. A specific embodiment of the method comprises the steps of creating a scheduling strategy adjustment task based on occurrence time of an access emergency; acquiring actual bandwidth data of the content distribution network node in response to the execution time of the scheduling strategy adjustment task; processing the actual bandwidth data of the content distribution network node to obtain to-be-scheduled bandwidth data; generating a scheduling strategy according to the bandwidth data to be scheduled; in response to the received user access request, performing domain name resolution on the user access request, and determining a target content distribution network node corresponding to the user access request according to a domain name resolution result and a scheduling strategy; and distributing the user access request to the target content distribution network node. According to the embodiment of the invention, the situation that the normal use of the service is influenced due to the instant full occupation of the bandwidth caused by the service access burst can be avoided, and the service quality of the service is further ensured.

The invention relates to a file acquisition method based on fragment cache, computer equipment and a readable storage medium. The file acquisition method comprises the following steps: receiving a file acquisition request initiated by a client; the method comprises the steps of receiving an index slice request initiated by a client; when it is determined that the target index slice requested by the index slice request is not stored locally, the index slice request is sent to a file source station; receiving response information returned by the file source station based on the index slice request, generating a new index slice according to the response information and the index slice request, and storing the new index slice locally; according to the method, under the condition that a local content distribution network node finds that a target index slice is missing, a new index slice is generated by using response information and an index slice request through file information fed back by a source station, and the new index slice is stored locally, so that the missing index slice is supplemented in time, and convenience is brought to client access next time. Therefore, the target index slice can be directly found, the hit rate of local search can be improved, and the access speed of the client is further improved.

The invention discloses a resource updating method. The resource updating method comprises the following steps: setting an updating file on a source server, wherein the updating file comprises a detection period; the source server sends the update file to the content distribution network for caching; each client obtains the update file from the content distribution network, generates a uniform resource locator based on the detection period, and generates the same uniform resource locator in the same detection period; forming the same resource detection request instruction in the same detection period based on the uniform resource locator; the client initiates a detection request to the content distribution network according to the resource detection request instruction; wherein in the resource updating stable period, the detection period is first time; in the resource updating formal period, the detection period is second time, and the second time is shorter than the first time. According to the technical scheme, the access to the source server can be effectively reduced, and the load of the source server is reduced.

The invention relates to a method and device for rapidly realizing desktop service and a storage medium, and the method comprises the steps: configuring a general desktop template at a main node to generate a template data file, and storing the template data file to all edge nodes in a content distribution network; a template acquisition request of terminal equipment is intercepted through a gateway server deployed in the main node, a response message is returned to the terminal equipment based on the template acquisition request, and the response message comprises a content distribution network downloading address and template identification information; the terminal equipment determines a target edge node according to the content distribution network downloading address; and the terminal equipment downloads a target template data file from the target edge node according to the template identification information, analyzes the target template data file and renders the target template data file on an interface of the terminal equipment. Data layer calling does not need to be carried out through desktop EPG interface service, and dependence on redis or mysql of the data layer is reduced.