CN114666841A - Flow-free method and flow-free system for directional flow - Google Patents
Flow-free method and flow-free system for directional flow Download PDFInfo
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Abstract
The application provides a flow-free method for realizing directional flow by using a CDN technology. In the method provided by the application, a CDN scheduling center receives a play scheduling request message sent by a user client, then sends a scheduling request response message carrying a target streaming-free IP address to the user client according to the play scheduling request message, the user client sends a play request message carrying the target streaming-free IP address, a target CDN node receiving the play request message obtains free directional flow from a server corresponding to the target streaming-free IP address, and finally, the target CDN node sends the free directional flow to the user client. In the method, because the play request message carries the stream-free IP address, the stream-free CDN node and the non-stream-free CDN node are not required to be additionally distinguished in the CDN network, and the stream-free service end and the non-stream-free service end are not required to be distinguished, and the stream-free directional flow can be provided for the user client, so that network resources can be saved.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a flow-free method and a flow-free system for directional traffic.
Background
With the development of mobile internet and the popularization of 4G (4generation, 4G) networks, more and more people can access a high-speed wireless broadband network anytime and anywhere to enjoy the convenience brought by mobile digital technology.
At present, a flow-free service of a directional flow is common, and a flow-free service of a directional flow refers to a service that does not perform charging when the specified directional flow meets the provision and quota of service use. In the prior art, a CDN technology may be used to implement directional traffic operation.
However, in the network, for the same traffic, for the user, there is flow-free traffic and non-flow-free traffic, and the server needs to deploy flow-free CDN nodes and non-flow-free CDN nodes, which requires more node resources to implement flow-free service or non-flow-free service.
Disclosure of Invention
The embodiment of the application provides a flow-free method and a flow-free system for directional flow, so that a flow-free directional flow can be provided for a user client without additionally distinguishing a flow-free CDN node and a non-flow-free CDN node and without additionally providing a flow-free service end and a non-flow-free service end in a CDN network, and network resources can be saved.
In a first aspect, the present application provides a flow-free method for directional traffic, the method including: the method comprises the steps that a CDN scheduling center receives a playing scheduling request message sent by a user client, wherein the playing scheduling request message carries first indication information, and the first indication information is used for indicating the user client to request target free directional flow; the CDN scheduling center sends a scheduling request response message to the user client according to the playing scheduling request message, wherein the scheduling request response message carries a target streaming-free IP address; the user client sends a play request message, and the play request message carries the target stream-free IP address; the target CDN node receiving the play request message obtains the free directional flow from a server corresponding to the target stream-free IP address; and the target CDN node sends the free directional flow to the user client.
In the method, because the flow-free IP address is configured for the server providing the directional flow, and the flow-free IP address of the server providing the directional flow requested by the user is returned to the user client by the scheduling center, when the user client requests the flow-free directional flow from the CDN node, the CDN node can be informed of the flow-free IP address, so that the CDN node can obtain the flow-free directional flow from the flow-free IP address of the server. The method of the embodiment can provide the flow-free directional flow for the user client without additionally distinguishing the flow-free CDN node and the non-flow-free CDN node and additionally providing the flow-free service end and the non-flow-free service end in the CDN network, thereby saving network resources.
With reference to the first aspect, in a first possible implementation manner, before the CDN scheduling center sends a scheduling request response message to the user client according to the broadcast scheduling request message, the method further includes: the CDN scheduling center authenticates the subscription relationship between the user client and the free directional flow; and the CDN scheduling center performs flow quota authentication on the user client and the free directional flow.
With reference to the first possible implementation manner, in a second possible implementation manner, the play scheduling request message also carries a mobile phone number of the user client; correspondingly, the CDN scheduling center sends a scheduling request response message to the user client according to the play scheduling request message, including: the CDN scheduling center determines the home location of the user client according to the mobile phone number; and the CDN scheduling center determines a flow-free IP address of a target server side capable of providing the flow-free directional service in the home location as the target flow-free IP address.
With reference to the second possible implementation manner, in a third possible implementation manner, the play scheduling request message is generated based on a hypertext transfer protocol (HTTP) application layer scheduling interface, where parameters of the HTTP application layer scheduling interface include: the mobile phone number of the user client, the IP address of the user client, a Service Profile (SP) identifier, an identifier of a product requested by the user client, a Uniform Resource Locator (URL) of the product requested by the user client, a timestamp, a key of the product requested by the user client, and an encrypted check code of the product requested by the user client.
In a second aspect, the present application provides a flow-exempt system for directional flow, the system comprising: the CDN scheduling center is used for receiving a playing scheduling request message sent by a user client, wherein the playing scheduling request message carries first indication information, and the first indication information is used for indicating the user client to request target free directional flow; the CDN scheduling center is further configured to send a scheduling request response message to the user client according to the playing scheduling request message, where the scheduling request response message carries a target streaming-free IP address; the user client is used for sending a play request message, and the play request message carries the target stream-free IP address; the target CDN node receiving the play request message is used for acquiring the free directional flow from a server corresponding to the target stream-free IP address; the target CDN node is further used for sending the free directional flow to the user client.
With reference to the second aspect, in a first possible implementation manner, before the CDN scheduling center sends a scheduling request response message to the user client according to the broadcast scheduling request message, the system is further configured to: the CDN scheduling center is also used for carrying out subscription relationship authentication on the user client and the free directional flow; and the CDN scheduling center is also used for carrying out flow quota authentication on the user client and the free directional flow.
With reference to the first possible implementation manner, in a second possible implementation manner, the play scheduling request message also carries a mobile phone number of the user client; correspondingly, the CDN scheduling center is specifically configured to: determining the home location of the user client according to the mobile phone number; and determining a flow-free IP address of a target service end capable of providing the flow-free directional service in the home as the target flow-free IP address.
With reference to the second possible implementation manner, in a third possible implementation manner, the play scheduling request message is generated based on an HTTP application layer scheduling interface, and parameters of the HTTP application layer scheduling interface include: the mobile phone number of the user client, the IP address of the user client, the SP identification, the identification of the product requested by the user client, the URL of the product requested by the user client, the timestamp, the key of the product requested by the user client and the encryption check code of the product requested by the user client.
In a third aspect, the present application provides a flow-free system for directional flow, comprising: a plurality of memories and a plurality of processors; the memory is to store program instructions; the processor is configured to invoke program instructions in the memory to perform a method according to the first aspect or any one of its possible implementations.
Where the system is a computing device, in some implementations the system may also include a transceiver or communication interface for communicating with other devices.
Where the system is a chip for a computing device, in some implementations the system may also include a communication interface for communicating with other apparatus in the computing device, such as for communicating with a transceiver of the computing device.
In a fourth aspect, the present application provides a computer-readable medium storing program code for execution by a computer, the program code comprising instructions for performing the method according to the first aspect or any one of its possible implementations.
In a fifth aspect, the present application provides a computer program product comprising instructions which, when run on a processor, cause the processor to carry out the method of the first aspect or any one of its implementations.
Drawings
FIG. 1 is a flow chart of a flow-directed flow-exempt method according to an embodiment of the present application;
FIG. 2 is a flow diagram of service authentication according to an embodiment of the present application;
FIG. 3 is a flowchart of a number segment scheduling policy according to an embodiment of the present application;
FIG. 4 is an overall flow chart of user traffic collection and warehousing according to one embodiment of the present application;
fig. 5 is a schematic structural diagram of a flow-directed flow-free device according to an embodiment of the present application.
Detailed Description
For understanding, the relevant terminology referred to in this application will be first described.
1. Directed flow
The directional traffic refers to mobile communication traffic of the mobile phone generated only in the specific application and content use of the mobile phone, and operators can distinguish the directional traffic by identifying the IP of the service terminal so as to adopt different charging strategies. The directed flow may be a service owned by an operator or a service cooperated by a third party, and the corresponding service end has a large amount of IP, so that the service end IP cannot be configured in the mobile communication network of the operator.
2、CDN
The CDN is to add a new network architecture to the existing Internet, and is composed of high-performance acceleration nodes distributed throughout the country. The service nodes with high performance can store the service contents according to a certain cache strategy, when a user initiates a request to a certain service content, the request can be dispatched to the service node closest to the user, and the service node directly and quickly responds, so that the access delay of the user is effectively reduced, and the availability is improved.
The basic principle of the CDN is to widely adopt various cache servers, distribute the cache servers to a region or a network where user access is relatively concentrated, when a user accesses a website, point the user access to a cache server that is closest to and works normally, and directly respond to a user request by using a global load technology. The CDN has the following main functions: (1) the bandwidth of a backbone network is saved, and the bandwidth demand is reduced; (2) the acceleration of a server side is provided, and the problem of server overload caused by large user access is solved; (3) the service provider can use the Web Cache technology to locally Cache Web pages and objects accessed by the user, so that the access of the same object does not need to occupy the outlet bandwidth of the backbone, and the requirement of the user on corresponding time for accessing Internet pages is improved; (4) the problem of uneven distribution of the website can be solved, and the self construction and maintenance cost of the website can be reduced; (5) the influence of 'communication storm' is reduced, and the stability of network access is improved.
3. Domain name system (Domain name system, DNS)
DNS is a service of the internet. It acts as a distributed database that maps domain names and IP addresses to each other, enabling people to more conveniently access the internet. DNS is a system on the Internet that addresses machine naming on the Internet. Just like visiting friends to know how others walk, when a host accesses another host on the Internet, the address must be known first, the IP address in TCP/IP is composed of four separate numbers (here, the address of IPv4 is taken as an example, the address of IPv6 is the same as the above), and it is not as convenient to remember as the name, so a domain name system is used to manage the correspondence between the name and the IP.
4、HTTP
HTTP is a simple request response protocol that typically runs on top of a Transmission Control Protocol (TCP). It specifies what messages the client may send to the server and what responses to get. The headers of the request and response messages are given in ASCII code form; and the message content has a MIME-like format. This simple model is an enabling minister of success for the early Web because it makes development and deployment very straightforward.
HTTP is a stateless protocol, i.e. the server does not retain any state when transacting with the client. This greatly reduces the memory burden on the server, thereby maintaining a faster response speed. HTTP is an object-oriented protocol that allows the transfer of any type of data object, identifies the content and size of the data transferred by data type and length, and allows compressed transfer of the data. When a user defines a hypertext link in an HTML document, the browser establishes a connection with a designated server through a transmission control protocol/internet protocol (TCP/IP) protocol.
Currently, the existing CDN technology mainly adopts a DNS scheduling mechanism. Under a DNS scheduling mechanism, a client sends a request to a CDN edge node through domain name resolution, the scheduling process is completed in a TCP/IP protocol stack domain name resolution part under an application layer, and service authentication logic of the application layer cannot be realized. And the granularity of the existing CDN scheduling is a node, a service node is allocated for a user, and servers in the node are automatically allocated by adopting load balancing. However, under the flow-free scene, because the flow-free is dependent on the designated IP, the flow-free node and the non-flow-free node need to be deployed in the same area according to the existing scheduling granule, which is not favorable for the reuse of the equipment and also brings waste of resources such as servers and racks.
Aiming at the defects, the application provides a flow-free method of directional flow, which is characterized in that on the basis of HTTP scheduling, service related parameters such as user ID, service ID and the like are sent in an interface to be used for corresponding service authentication of a server side, and the parameters are ensured not to be falsified and counterfeited; the granularity of the scheduling needs to be realized to an IP level, so that the same server can be configured with a plurality of IPs, including a flow-free IP and a non-flow-free IP, which can serve not only a common non-flow-free scene but also a flow-free scene, thereby realizing the effective utilization of the server and IP resources.
Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
Fig. 1 is a flow chart of a flow exemption method for directional traffic according to an embodiment of the present application. As shown in fig. 1, the method may include S101, S102, S103, S104, and S105.
S101, a Content Delivery Network (CDN) scheduling center receives a play scheduling request message sent by a user client, wherein the play scheduling request message carries first indication information, and the first indication information is used for indicating the user client to request target free directional flow.
For example, when the APP side is subscribing to a streaming-free service and playing a video in a mobile network environment, a playing scheduling request may be initiated to the CDN scheduling center, where the playing scheduling request may carry information such as a subscription mobile phone number, a product ID, source return information, hotlink information, and a type of requested free quantitative traffic.
The CDN scheduling center may pre-store a mapping relationship between the IP address and the free directional traffic.
In some implementations, the play schedule request message can be implemented using an HTTP application layer schedule interface.
An example of a scheduling interface is as follows:
http://host:port/gslbuserid＝xxxx&userip＝xxxxspid＝xxxx&pid＝xxxx&srcU RL＝x&tm＝xxx&spkey＝xxx
wherein the content of the first and second substances,
spkey＝MD5(http://host:port/gslbuserid＝xxxx&userip＝xxxxspid＝xxxx&pid＝xxxx&srcURL＝x&tm＝xxx&key)
and host, wherein the port is the address of a scheduling interface, and the interface parameters are as follows:
TABLE 1
Responding: returning by adopting a json format, wherein the normal message comprises the following parameters:
TABLE 2
S102, the CDN scheduling center sends a scheduling request response message to the user client according to the playing scheduling request message, wherein the scheduling request response message carries a target stream-free IP address.
S103, the user client sends a playing request message, and the playing request message carries the target stream-free IP address.
S104, the target CDN node receiving the play request message obtains the free directional flow from a server corresponding to the target stream-free IP address.
S105, the target CDN node sends the free directional flow to the user client.
In this embodiment, a non-flow-free IP address may also be configured on the server corresponding to the target flow-free IP address, so as to provide a non-flow-free directional traffic service.
The CDN returns the content requested by the user using the stream-exempt IP address. The process of playing the video by using the directional flow as a whole is finished, and the user successfully plays the video by using the free directional flow because the flow-free IP address is configured on the provincial GGSN (gateway GPRS support node).
In the method of this embodiment, because the flow-free IP address is configured for the server providing the directional traffic, and the scheduling center returns the flow-free IP address of the server providing the directional traffic requested by the user to the user client, when the user client requests the flow-free directional traffic from the CDN node, the CDN node may be notified of the flow-free IP address, so that the CDN node may obtain the flow-free directional traffic from the flow-free IP address of the server. The method of the embodiment can provide the flow-free directional flow for the user client without additionally distinguishing the flow-free CDN node and the non-flow-free CDN node and additionally providing the flow-free service end and the non-flow-free service end in the CDN network, thereby saving network resources.
In some implementations of this embodiment, the dispatch center may perform subscription relationship authentication and service authentication on the user client.
Fig. 2 is a flow chart of service authentication according to an embodiment of the present application. As shown in fig. 2, the overall process of service authentication includes synchronization of the subscription relationship between the charging system and the CDN system after the subscription and unsubscription of the user occurs, acquisition of details of the user traffic and deduction of the available amount of the directional traffic, and authentication when the user requests to use the directional traffic. The CDN end sets a REDIS database, updates the management of the ordering relation in real time and maintains the available limit of the directional flow.
S201, synchronizing the subscription relationship.
And the charging side receives user ordering and unsubscribing messages of all channels and synchronizes the ordering and unsubscribing to an ordering relation synchronization interface of the CDN.
S202, updating the subscription relationship to a Redis database.
And the synchronization interface updates the Redis database in real time and maintains a legal ordering relation.
And S203, after the user flow detail list is collected, the reduction of the available flow of the user is finished.
And the flow acquisition and deduction module acquires the detailed user flow in real time and deducts the available limit of the directional flow of the corresponding product.
S204, the CDN scheduling center inquires whether the corresponding ordering relation and the flow are excessive or not when receiving the playing and scheduling request of the user client.
And when receiving a directional flow play scheduling request of a user client, the CDN scheduling center queries a Redis database to authenticate the subscription relationship and the available flow limit. And if no legal subscription relationship exists or the traffic is overused, the dispatching center returns a corresponding error code to the client APP.
In some implementation manners of this embodiment, optionally, when the mobile phone number of the user is carried in the broadcast scheduling request message, the scheduling center may determine the stream-free IP address for the user client based on the mobile phone number. An example of the dispatch center determining a flow-free IP address for a user client based on a cell phone number is shown in fig. 3.
Fig. 3 is a flowchart of a number segment scheduling policy according to an embodiment of the present application. In the scheduling process, the scheduling center can extract the mobile phone number of the user, and based on the management of the operator on the mobile phone number library, the scheduling based on the mobile phone number section can be realized and used as a supplementary mode of IP address scheduling, or combined with the IP address scheduling mode to realize more accurate scheduling.
S301, configuring CDN nodes corresponding to the areas in the management background.
And the CDN management background distributes CDN service nodes for different geographic areas.
And S302, after receiving the playing scheduling request, inquiring the region according to the mobile phone number segment.
After receiving the broadcast scheduling request, the CDN scheduling center extracts the mobile phone number in the request, and matches the mobile phone number with the number segment library to locate the user area.
S303, querying the CDN service node from the region scheduling table according to the region.
And after the area is located by the mobile phone number, performing service node matching according to the area scheduling table, and allocating service nodes of the corresponding area to the request.
In the directed traffic scenario, the flow-exempt identification parameter configured at the GGSN is the IP address. However, currently, the CDN is generally only refined to a node level in scheduling, a load balancing policy is used at a node to redistribute the node to a certain physical server, and the same server generally configures multiple IPs (there are some IP exempts from streaming and some IP exempts from streaming), which may cause scheduling to a non-exempt IP and bring wrong traffic charging. Therefore, in this scenario, the scheduling of the CDN must be refined to the IP level to ensure that requests for directed traffic are scheduled onto the stream-free IP. The specific implementation mechanism is as follows:
1) the CDN background manages resources using a node-to-server-to-network card-to-IP data structure, that is, a node may include multiple servers, a server may include multiple network cards, and a network card may include multiple IPs.
2) Whether each IP address mark is a flow-free IP or not;
3) and allocating the flow-free IP for the user for the flow-free service, and allocating the non-flow-free IP for the non-flow-free service.
Therefore, each server is configured with a plurality of IPs, which can be used for directional traffic service and common CDN service, thereby improving the multiplexing efficiency of the server and saving server resources.
An example of the authentication of the traffic quota for the present embodiment is shown in fig. 4. Fig. 4 is an overall flowchart of user traffic collection and warehousing according to an embodiment of the present application. For different products, the CDN may set a traffic limit for the product based on the definition of the product, for example, the traffic limit of the product a is 10G, a portion exceeding 10G may return corresponding error information in the access scheduling process, and the client may prompt the user that "the traffic limit has been exceeded currently, and the general traffic will be used for playing" according to the return parameter.
The CDN edge server serves the directional flow requests of the users and generates a piece of log information for each relevant HTTP request. The log information includes: log generation time, user request time, service duration, number of bytes downloaded, Service Profile Identifier (SPID), product Identity Document (ID), and the like. And cutting the log once every minute, and entering a log backup catalog.
And S401, summarizing the timing flow to generate a user flow detailed list.
The flow collection module scans a log backup directory, processes newly generated log files, and collects logs according to a user ID (mobile phone number), an SPID and a product ID as a collection basis to form a user flow detail list, wherein the user flow detail list comprises the following fields: time, user mobile phone number, SPID, product ID, flow and server IP, and the detailed list is generated and then uploaded to the central server detailed list directory in a unified manner.
S402, storing the flow bill in a warehouse, and subtracting the available directional flow.
And the flow ticket warehousing module is deployed at the center, scans the detail ticket files newly uploaded in the detail ticket catalog in real time, and warehouses each record in the detail ticket to form user flow details and simultaneously deducts the available flow of a corresponding product.
And S403, after receiving the playing scheduling request, the CDN scheduling center queries the available flow limit in real time.
The CDN scheduling center inquires the available flow of the corresponding product in real time after receiving the scheduling request played by the user client, judges whether the user is in excess, and can return corresponding error information if the available flow is insufficient.
The application also provides a flow-free system of the directional flow, and the flow-free system can comprise a CDN dispatching center, a CDN node and a directional flow server. Further, the stream-free system may also include a user client. The user client provided by the present application may be configured to execute S101 and S103, the CDN scheduling center may be configured to execute S102, the server may be configured to execute S104, and the CDN node may be configured to execute S105.
Fig. 5 is a schematic structural diagram of a flow-directed flow-free device according to an embodiment of the present application. The apparatus shown in fig. 5 may be used to implement the functions implemented by the user client, the CDN scheduling center, the CDN node, or the server in any of the foregoing embodiments.
As shown in fig. 5, the apparatus 500 of the present embodiment includes: memory 501, processor 502, communication interface 503, and bus 504. The memory 501, the processor 502 and the communication interface 503 are connected to each other by a bus 504.
The memory 501 may be a Read Only Memory (ROM), a static memory device, a dynamic memory device, or a Random Access Memory (RAM). The memory 501 may store a program, and when the program stored in the memory 501 is executed by the processor 502, the processor 502 is configured to execute each step performed by the user client, the CDN scheduling center, the CDN node, or the server in the method shown in fig. 1.
The processor 502 may be a general-purpose Central Processing Unit (CPU), a microprocessor, an Application Specific Integrated Circuit (ASIC), or one or more integrated circuits, and is configured to execute related programs to implement the methods in the embodiments of the present application.
The processor 502 may also be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the method of the embodiments of the present application may be implemented by integrated logic circuits of hardware or instructions in the form of software in the processor 602.
The processor 502 may also be a general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, or discrete hardware components. The various methods, steps, and logic blocks disclosed in the embodiments of the present application may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in the memory 501, and the processor 502 reads information in the memory 501, and in combination with the hardware thereof, performs functions required to be performed by the units included in the apparatus of this application, for example, various steps/functions implemented by the CDN scheduling center in the embodiment shown in fig. 1 may be performed.
The communication interface 503 may enable communication between the apparatus 500 and other devices or communication networks using, but not limited to, transceiver means such as transceivers.
Bus 504 may include a path that transfers information between various components of apparatus 500 (e.g., memory 501, processor 502, communication interface 503).
It should be understood that the apparatus 500 shown in the embodiment of the present application may be a computing device, or may also be a chip configured in the computing device.
It will also be appreciated that the memory in the embodiments of the subject application can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory. The non-volatile memory may be a read-only memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an electrically Erasable EPROM (EEPROM), or a flash memory. Volatile memory can be Random Access Memory (RAM), which acts as external cache memory. By way of example, but not limitation, many forms of Random Access Memory (RAM) are available, such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), Enhanced SDRAM (ESDRAM), synchlink DRAM (SLDRAM), and direct bus RAM (DR RAM).
The above embodiments may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, the above-described embodiments may be implemented in whole or in part in the form of a computer program product. The computer program product comprises one or more computer instructions or computer programs. The procedures or functions according to the embodiments of the present application are wholly or partially generated when the computer instructions or the computer program are loaded or executed on a computer. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by wire (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains one or more collections of available media. The usable medium may be a magnetic medium (e.g., floppy disk, hard disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium. The semiconductor medium may be a solid state disk.
It should be understood that the term "and/or" herein is merely one type of association relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone, wherein A and B can be singular or plural. In addition, the "/" in this document generally indicates that the former and latter associated objects are in an "or" relationship, but may also indicate an "and/or" relationship, and may be understood with particular reference to the former and latter contexts.
In the present application, "at least one" means one or more, "a plurality" means two or more. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of the singular or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or multiple.
It should be understood that, in the various embodiments of the present application, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
It can be clearly understood by those skilled in the art that, for convenience and simplicity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions may be stored in a computer-readable storage medium if they are implemented in the form of software functional units and sold or used as separate products. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: u disk, removable hard disk, read only memory, random access memory, magnetic or optical disk, etc. for storing program codes.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A flow-free method of directional traffic, comprising:
a Content Delivery Network (CDN) scheduling center receives a play scheduling request message sent by a user client, wherein the play scheduling request message carries first indication information, and the first indication information is used for indicating the user client to request target free directional flow;
the CDN scheduling center sends a scheduling request response message to the user client according to the playing scheduling request message, wherein the scheduling request response message carries a target streaming-free Internet Protocol (IP) address;
the user client sends a play request message, and the play request message carries the target stream-free IP address;
the target CDN node receiving the play request message obtains the free directional flow from a server corresponding to the target streaming-free IP address;
and the target CDN node sends the free directional flow to the user client.
2. The method of claim 1, wherein before the CDN scheduling center sends a scheduling request response message to the user client according to the play scheduling request message, the method further comprises:
the CDN scheduling center authenticates the subscription relationship between the user client and the free directional flow;
and the CDN scheduling center performs flow quota authentication on the user client and the free directional flow.
3. The method according to claim 2, wherein the broadcast scheduling request message further carries a mobile phone number of the user client;
correspondingly, the CDN scheduling center sends a scheduling request response message to the user client according to the play scheduling request message, including:
the CDN scheduling center determines the home location of the user client according to the mobile phone number;
and the CDN scheduling center determines a flow-free IP address of a target server side capable of providing the flow-free directional service in the home location as the target flow-free IP address.
4. The method of claim 3, wherein the playback scheduling request message is generated based on a hypertext transfer protocol (HTTP) application layer scheduling interface, and wherein the parameters of the HTTP application layer scheduling interface comprise: the method comprises the steps of identifying a product requested by a user client, a Uniform Resource Locator (URL) of the product requested by the user client, a timestamp, a key of the product requested by the user client and an encryption check code of the product requested by the user client.
5. A flow-free system for directional flow, comprising:
the content delivery network CDN dispatching center is used for receiving a playing dispatching request message sent by a user client, wherein the playing dispatching request message carries first indication information, and the first indication information is used for indicating the user client to request target free directional flow;
the CDN scheduling center is further configured to send a scheduling request response message to the user client according to the playing scheduling request message, where the scheduling request response message carries a target streaming-free Internet Protocol (IP) address;
the user client is used for sending a play request message, and the play request message carries the target stream-free IP address;
the target CDN node receiving the play request message is used for acquiring the free directional flow from a server corresponding to the target stream-free IP address;
the target CDN node is further used for sending the free directional flow to the user client.
6. The system of claim 5, wherein before the CDN scheduling center sends a scheduling request response message to the user client according to the play scheduling request message, the system is further configured to:
the CDN scheduling center is also used for carrying out subscription relationship authentication on the user client and the free directional flow;
and the CDN scheduling center is also used for carrying out flow quota authentication on the user client and the free directional flow.
7. The method according to claim 6, wherein the broadcast scheduling request message further carries a mobile phone number of the user client;
correspondingly, the CDN scheduling center is specifically configured to:
determining the home location of the user client according to the mobile phone number;
and determining a flow-free IP address of a target service end which can provide the flow-free directional service in the home as the target flow-free IP address.
8. The system of claim 7, wherein the playback scheduling request message is generated based on a hypertext transfer protocol (HTTP) application layer scheduling interface, and wherein the parameters of the HTTP application layer scheduling interface comprise: the mobile phone number of the user client, the IP address of the user client, the SP identification, the identification of the product requested by the user client, the URL of the product requested by the user client, the timestamp, the key of the product requested by the user client and the encryption check code of the product requested by the user client.
9. A flow-free system for directional flow, comprising: a plurality of memories and a plurality of processors;
the memory is to store program instructions;
the processor is configured to invoke program instructions in the memory to perform the method of any of claims 1 to 4.
10. A computer-readable medium, characterized in that the computer-readable medium stores program code for computer execution, the program code comprising instructions for performing the method of any of claims 1 to 4.
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