CN111294615A - Multicast channel batch authentication method and system - Google Patents
Multicast channel batch authentication method and system Download PDFInfo
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- CN111294615A CN111294615A CN201811494483.XA CN201811494483A CN111294615A CN 111294615 A CN111294615 A CN 111294615A CN 201811494483 A CN201811494483 A CN 201811494483A CN 111294615 A CN111294615 A CN 111294615A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26258—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for generating a list of items to be played back in a given order, e.g. playlist, or scheduling item distribution according to such list
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/239—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests
- H04N21/2393—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests involving handling client requests
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
- H04N21/2541—Rights Management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
- H04N21/2543—Billing, e.g. for subscription services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/64—Addressing
- H04N21/6405—Multicasting
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
A multicast channel batch authentication method comprises the following steps: establishing a channel package and a channel relation, and ordering the channel package for a user; sending a channel list request to acquire a channel list; sending a channel batch authentication request to obtain an authentication result; and carrying out cache management and application on the authentication result. The invention also provides a multicast channel batch authentication system, which provides batch authentication service for the user to watch the channel, and avoids the influence on channel switching speed and user experience caused by the initiation of an authentication request when the channel is switched each time; the batch authentication result can be cached at the playing client according to the sending time, so that frequent requests are avoided; under the condition of network offline, the playing client can play the multicast channel by using the cached authentication result, so that the influence of network abnormality on user experience is reduced.
Description
Technical Field
The present invention relates to the IPTV technology field, and in particular, to a multicast channel authentication method and system.
Background
In the IPTV field, the playing experience of multicast channels is important, and the verification of the viewing right of the channel is also essential. In DVB era, the viewing authentication of channels is verified by a CA card, the authentication is completed locally in a set top box, and the viewing of each channel is authenticated in real time without objection. However, in the all-IP operation system, if the user accesses the authentication and authorization service for real-time authentication every time the user watches a multicast channel, the channel switching experience of the client is affected, and meanwhile, huge access pressure is brought to the authentication and authorization service.
The other authentication scheme corresponding to the real-time authentication is a hysteresis authentication or automatic decompression authentication mode, when the authentication service pressure is found to be overlarge, the user is allowed to watch the authentication service, and then the authentication is performed under the condition that the service capacity to be authenticated is allowed.
In a word, the real-time authentication influences the user experience, and the authentication service pressure is huge; the hysteresis authentication or automatic decompression authentication mode ensures that the client is switched or needs to access the back-end authentication service every time, the access pressure is not reduced, and only the real authentication step is not implemented.
Disclosure of Invention
In order to solve the defects of the prior art and solve the problems of user experience and access pressure caused by the playing authentication of multicast channels, the invention aims to provide a batch authentication method and a batch authentication system for multicast channels, which provide batch authentication service for users to watch channels and avoid initiating an authentication request every time the channels are switched to influence the channel switching speed and the user experience; the batch authentication result can be cached at the playing client according to the sending time, so that frequent requests are avoided; under the condition of network offline, the playing client can play the multicast channel by using the cached authentication result, so that the influence of network abnormality on user experience is reduced.
In order to achieve the above object, the present invention provides a multicast channel batch authentication system, which comprises an operation management background, a broadcast client, a program information server, and an authentication server, wherein,
the operation management background is used for packing and managing the channel packages, establishing the channel packages and the channel relation and ordering the channel packages for the user;
the playing client acquires a channel list from the program information server and initiates a channel batch authentication request to the authentication server;
the program information server side issues a matched channel list according to the user identification and the area identification;
and the authentication and authorization server side inquires the channel package ordered by the user according to the user identification and sends the channel list associated with the channel package to the playing client side.
Further, the playing client sends a channel list with a user identifier and a region identifier to request to access the program information server to acquire a channel list and cache time; sending a channel batch authentication request with a user identifier to the authentication and authentication server; and searching batch authentication feedback results for each channel in the channel list, caching the authentication results in an internal storage if the authentication feedback exists, and setting an unauthorized viewing state for the channels without the feedback.
Further, the playing client manages the caching of the authentication result of each channel, and if the caching time is over, the playing client sends a channel list request to the program information server again to acquire the channel list and the caching time, and sends a channel batch authentication request to the authentication and authentication server again.
Further, the playing client determines whether the channel can be played according to the cache state of the authentication result when the user plays the channel; and when the connection between the multicast channel and the authentication and authorization server is abnormal and the channel multicast stream can still be normally received, playing the multicast channel by using the cached authentication result.
Further, the program information server receives the channel list request sent by the playing client, and issues the channel list and the cache time matched with the area where the user is located.
Furthermore, the authentication and authorization server receives the batch authentication request of the playing client, queries the channel package ordered by the user, and issues the channel list authorization associated with the channel package ordered by the user to the playing client.
In order to achieve the above object, the present invention further provides a multicast channel batch authentication method, including the following steps:
1) establishing a channel package and a channel relation, and ordering the channel package for a user;
2) sending a channel list request to acquire a channel list;
3) sending a channel batch authentication request to obtain an authentication result;
4) and carrying out cache management and application on the authentication result.
Further, the step 2) further comprises:
the playing client sends a channel list request with a user identifier and an area identifier to a program information server;
and the program information server receives the channel list request, and sends the channel list and the cache time matched with the area where the user is located to the playing client according to the user identifier and the area identifier in the channel list request.
Further, the step 3) further comprises:
the playing client sends a channel batch authentication request with a user identifier to an authentication and authentication server;
and the authentication and authorization server receives the channel batch authentication request, inquires the channel package ordered by the user according to the user identification in the channel batch authentication request, and sends the authentication result associated with the channel package to the playing client.
Still further, the step 4) further comprises:
playing the client, carrying out cache management on the authentication result of each channel, if the cache time is over, re-acquiring the channel list, and sending a channel batch authentication request to the authentication and authentication server again;
when the user plays the channel, determining whether the channel can be played according to the cache state of the authentication result;
and when the connection between the playing client and the authentication server is abnormal, but the channel multicast stream can still be normally received, playing the multicast channel by using the cached authentication result.
The multicast channel batch authentication method and the system thereof decide whether the channel can be played according to the cache state of the authentication result when the user plays the channel, avoid initiating the authentication request of the channel playing authority every time of switching channels and reduce the pressure of the authentication service; when the connection between the playing client and the authentication and authorization service is abnormal, but the channel multicast stream can still be normally received, the multicast channel can still be played by using the cached authentication result, the user basically has no perception, and the influence of the network abnormality on the user experience is reduced.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of a multicast channel batch authentication system according to the present invention;
fig. 2 is a flowchart of a multicast channel batch authentication method according to the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Fig. 1 is a schematic structural diagram of a multicast channel batch authentication system according to the present invention, and as shown in fig. 1, the multicast channel batch authentication system of the present invention includes an operation management background 10, a plurality of broadcast clients 20, a program information server 30, and an authentication server 40, wherein,
an operation management background 10, which provides a channel package packing and management background for operators, and is used for establishing a channel package and a channel relationship; the operator orders the channel package for the user through the order management interface of the operation management background 10.
The broadcast client 20, after starting up, sends a channel list with a user identifier and a region identifier to request to access the program information server 30 to obtain a channel list and cache time; sending a channel batch authentication request with a user identifier to the authentication and authentication server 40; and searching batch authentication feedback results for each channel in the channel list, caching the authentication results in an internal storage if the authentication feedback exists, and setting an unauthorized viewing state for the channels without the feedback.
The broadcast client 20 manages the authentication result cache of each channel, and if the cache time has passed, it needs to initiate a request for obtaining the channel list to the program information server 30 again, and initiate a request for batch authentication of channels to the authentication and authentication server 40 again.
The playing client 20 determines whether the channel can be played according to the cache state of the authentication result when the user plays the channel, so that the channel playing authority authentication request is prevented from being initiated every time the channel is switched, and the pressure of authentication service is reduced; when the connection between the playing client and the authentication and authorization service is abnormal, but the channel multicast stream can still be normally received, the multicast channel can still be played by using the cached authentication result, the user basically has no perception, and the influence of the network abnormality on the user experience is reduced.
The program information server 30 receives the channel list request from the broadcast client 20, and issues the channel list and the buffer time associated with the area where the user is located according to the user identifier and the area identifier in the request parameter.
And the authentication and authorization server 40 receives the batch authentication request of the playing client 20, queries the channel package ordered by the user according to the user identifier in the request parameter, and authorizes and issues the channel list associated with the channel package ordered by the user to the playing client.
The batch authentication request and feedback contents are as follows:
fig. 2 is a flowchart of a multicast channel batch authentication method according to the present invention, and the multicast channel batch authentication method of the present invention will be described with reference to fig. 2.
First, in step 201, an operator establishes a package and channel relationship through the operation management background 10.
Next, in step 202, the operator orders a channel package for the user through the order management interface of the operation management background 10.
In step 203, after the broadcast client 20 is powered on, it sends a channel list with a user identifier and a region identifier to request the access program information server 30 to obtain a channel list and cache time.
In step 204, the program information server 30 receives the channel list request from the broadcast client 20, and issues the channel list and the buffer time associated with the area where the user is located according to the user identifier and the area identifier in the request parameter.
In step 205, the broadcast client 20 sends a channel batch authentication request with a user identifier to the authentication and authorization server 40.
In step 206, the authentication and authorization server 40 receives the request for batch authentication of channels from the playing client 20, queries the package ordered by the user according to the user identifier in the request parameter, and issues the channel list associated with the package ordered by the user to the playing client.
The batch authentication request and feedback contents are as follows:
in step 207, the broadcast client 20 manages the caching of the authentication result of each channel, and if the caching time has elapsed, the broadcast client will re-acquire the channel list from the program information server 30 and initiate a channel batch authentication request to the authentication server 40 again;
the playing client 20 determines whether the channel can be played according to the cache state of the authentication result when the user plays the channel, so that the channel playing authority authentication request is prevented from being initiated every time the channel is switched, and the pressure of authentication service is reduced;
when the connection between the playing client 20 and the authentication and authorization server 40 is abnormal, but the channel multicast stream can still be normally received, the playing client 20 can still play the multicast channel using the cached authentication result, the user basically has no perception, and the influence of the network abnormality on the user experience is reduced.
Those of ordinary skill in the art will understand that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A multicast channel batch authentication system comprises an operation management background, a playing client, a program information server and an authentication server, and is characterized in that,
the operation management background is used for packing and managing the channel packages, establishing the channel packages and the channel relation and ordering the channel packages for the user;
the playing client acquires a channel list from the program information server and initiates a channel batch authentication request to the authentication server;
the program information server side issues a matched channel list according to the user identification and the area identification;
and the authentication and authorization server side inquires the channel package ordered by the user according to the user identification and sends the channel list associated with the channel package to the playing client side.
2. The system of claim 1, wherein the broadcast client sends a channel list with a user identifier and a region identifier to request access to the program information server to obtain a channel list and a caching time; sending a channel batch authentication request with a user identifier to the authentication and authentication server; and searching batch authentication feedback results for each channel in the channel list, caching the authentication results in an internal storage if the authentication feedback exists, and setting an unauthorized viewing state for the channels without the feedback.
3. The system of claim 2, wherein the broadcast client manages the caching of the authentication result of each channel, and if the caching time has elapsed, the broadcast client re-sends a channel list request to the program information server to obtain the channel list and the caching time, and re-sends a channel batch authentication request to the authentication and authentication server.
4. The system of claim 2, wherein the playing client determines whether the user can play the multicast channel according to the buffer status of the authentication result when the user plays the multicast channel; and when the connection between the multicast channel and the authentication and authorization server is abnormal and the channel multicast stream can still be normally received, playing the multicast channel by using the cached authentication result.
5. The system of claim 1, wherein the program information server receives a channel list request from the broadcast client, and issues a channel list and a buffer time associated with an area where the user is located.
6. The system of claim 1, wherein the authentication and authorization server receives the batch authentication request from the broadcast client, queries the channel package ordered by the user, and issues the channel list associated with the channel package ordered by the user to the broadcast client.
7. A multicast channel batch authentication method comprises the following steps:
1) establishing a channel package and a channel relation, and ordering the channel package for a user;
2) sending a channel list request to acquire a channel list;
3) sending a channel batch authentication request to obtain an authentication result;
4) and carrying out cache management and application on the authentication result.
8. The multicast channel batch authentication method as claimed in claim 7, wherein said step 2) further comprises:
the playing client sends a channel list request with a user identifier and an area identifier to a program information server;
and the program information server receives the channel list request, and sends the channel list and the cache time matched with the area where the user is located to the playing client according to the user identifier and the area identifier in the channel list request.
9. The multicast channel batch authentication method as claimed in claim 7, wherein said step 3) further comprises:
the playing client sends a channel batch authentication request with a user identifier to an authentication and authentication server;
and the authentication and authorization server receives the channel batch authentication request, inquires the channel package ordered by the user according to the user identification in the channel batch authentication request, and sends the authentication result associated with the channel package to the playing client.
10. The multicast channel batch authentication method as claimed in claim 7, wherein said step 4) further comprises:
playing the client, carrying out cache management on the authentication result of each channel, if the cache time is over, re-acquiring the channel list, and sending a channel batch authentication request to the authentication and authentication server again;
when the user plays the channel, determining whether the channel can be played according to the cache state of the authentication result;
and when the connection between the playing client and the authentication server is abnormal, but the channel multicast stream can still be normally received, playing the multicast channel by using the cached authentication result.
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