182 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.

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.

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.

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).

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.

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.

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.

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.

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.

The embodiment of the invention discloses a webpage picture loading method and device. The specific implementation mode of the method comprises the steps that a client side responds to a received request for loading a webpage picture, loads a Sprite map from a content distribution network and obtains an index file, and the Sprite map comprises a thumbnail of the webpage picture; querying the coordinate position of the thumbnail in the Sprite map in the index file according to the address of the webpage picture; and obtaining the thumbnail from the Sprite map according to the inquired coordinate position, and rendering the thumbnail. The server is used for generating a thumbnail based on the original picture in the picture resource library; based on the thumbnail, constructing a Sprite map, and generating an index file, the index file comprising an address of the Sprite map and a coordinate position of the thumbnail in the Sprite map; and publishing the Sprite map, the original map and the index file to a content distribution network. According to the embodiment, the abnormal problems of lagging and even unavailability caused by simultaneous display of massive pictures on a webpage are solved based on a Sprite map technology.

Client devices in a content delivery network may send requests for content to upstream devices along with one or more parameters that indicate, as an example, client-device-related conditions or constraints, such as available buffer space or buffer starvation time. These parameters may be used by the upstream devices to prioritize content requests according to a prioritization schedule to ensure requested content is timely delivered to the appropriate client device(s) at the appropriate time to prevent playback failure, stalls, etc.

The application discloses an online singing and microphone passing interaction method and device and a medium, relates to the technical field of communication, and is applied to a lead singer client in an online singing room and comprises the following steps: if a currently sung song meets preset microphone passing conditions, a microphone passing button is displayed on a local preset screen area; if it is monitored that the microphone passing button is clicked, a chorus invitation request is sent to each audience client in the online singing room; a communication connection establishment request sent by a microphone receiving client is responded to, so that a point-to-point link is established with the microphone receiving client; a first audio stream uploaded by the microphone receiving client through the point-to-point link is acquired, and the first audio stream and a second audio stream locally acquired are merged to obtain a chorus audio stream; and the chorus audio stream is uploaded to a content distribution network, so that non-microphone receiving clients in the audience clients acquire the chorus audio stream from the content distribution network through a content distribution network link and play the chorus audio stream. The application can realize microphone passing interaction between singers and audiences in the online singing room.

The method includes the steps, performed by the user device, of: sending an access request to access a content to a content provider system; receiving, from the content provider system, an access token for said content, said access token including an encrypted session key, and a Digital Right Management, DRM, license, including the session key; and transmitting a content request including the received access token to a content delivery network and, in response, receiving from the content delivery network content data of the requested content, in a communication session; wherein the content request further comprises an authentication tag obtained by executing a cryptographic operation, performed by a DRM client module of the user device, of signing and / or encrypting, with the session key of the received DRM license, input data that is based on at least part of the content request.

Disclosed are systems and methods for synthetic monitoring of an internet-based service using a content delivery network (CDN). A monitoring CDN is caused to measure the availability and performance of the internet-based service at one or more geographic locations by triggering the execution of custom code on an edge-compute platform of the monitoring CDN. Data provided by the measuring of the availability and performance of the internet-based service at the one or more geographic locations is obtained and output.

The application discloses a service request scheduling method applied to a management system, and the method comprises the following steps: receiving a first service access request sent by a user end; the first service access request comprises a first domain name, and the first service access request is used for accessing a service resource corresponding to the first domain name in a content distribution network (PCDN) based on a peer-to-peer network; searching the service resource corresponding to the first domain name in the PCDN to obtain a search result; if the search result indicates that the service resource does not exist in the PCDN, converting the first domain name into a second domain name; the second domain name is supported to be identified by the PCDN and a content distribution network (CDN); sending the second domain name to the user end; and the second domain name is used for instructing the user end to send a second service access request to the CDN based on the second domain name.

Systems, devices, and techniques are disclosed for content delivery network configuration. An API request may include a description in an API language may be received. The description may include HTTP protocols, methods, header policies, certificate data, origins, and routing rules. Asynchronous processes may configure a first content delivery network based on the description. One of the asynchronous processes may interact with a certificate service. Additional asynchronous processes may configure a second content delivery network based on the description. The description may not be changed based on configuration parameters of the second content delivery network. The configuration parameters of the second content delivery network may be different from configuration parameters of the first content delivery network.

The application provides a resource acquisition method and device based on a content distribution network. The method is applied to a first resource node, and first hot resources are determined according to real-time logs of node services. Resource information of the first hot resources is sent to a second resource node, so that the second resource node acquires the first hot resources according to the resource information of the first hot resources. When a resource acquisition request for acquiring the first hot resources sent by a client is received, a temporary jump address of the first hot resources is returned to the client, and the temporary jump address is used for the client to acquire the first hot resources from the second resource node. As can be seen, the resource node sends the resource information of the hot resources to other resource nodes, other resource nodes can pull the hot resources and provide the hot resources for the client, abnormality of server performance and network caused by real-time occurrence or sudden change of cold files to hot files is avoided, and resource acquisition efficiency of the content distribution network is improved.

The application relates to an active cache routing method and system of a satellite content distribution network, the satellite content distribution network comprising at least one satellite node. The method comprises: extracting first semantic information features of distributed content and second semantic information features of historical popular content by using a deep learning model; calculating semantic similarity between the first semantic information features and the second semantic information features; calculating a satellite semantic cache priority value of a satellite node corresponding to the distributed content according to the semantic similarity; and planning an active cache routing path of the distributed content according to the satellite semantic cache priority value of each satellite node. The application can enable the satellite to automatically make a cache decision of the distributed content in the content distribution process, and improve the efficiency of active cache by combining content distribution and cache deployment.

A dynamic content delivery network switching method (CDN) is disclosed. The present invention uses a third-party monitoring server to dynamically obtain the data transmission speed of the CDNs node that assist a main server in providing content services through a script code constructed in the homepage content of the content data, and judges accordingly within an adjustment period which CDN node performs poorly, so that each user terminal can be notified to adjust the connected CDN node within a next adjustment period. In this way, the present invention can dynamically and effectively control the connection between the CDN nodes and the user terminals, and increase the sending speed of the content service provided by the main server.

Techniques for multi-Content Delivery Network (CDN) load balancing are performed at a content steering server in a multi-CDN system, where the multi-CDN system includes a plurality of CDNs serving a plurality of clients. The content steering server receives from a first CDN of the plurality of CDNs a request to switch a first number of clients in the multi-CDN system. In response to receiving the request, the content steering server facilitates negotiations between the first CDN and at least one CDN of the plurality of CDNs, including determining a second number of clients in the multi-CDN system to be switched. Upon successful negotiations, the content steering server triggers the first CDN and the at least one CDN to switch the second number of clients between the first CDN and the at least one CDN.