CN106789956B - A kind of P2P order method and system based on HLS - Google Patents
A kind of P2P order method and system based on HLS Download PDFInfo
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- CN106789956B CN106789956B CN201611087016.6A CN201611087016A CN106789956B CN 106789956 B CN106789956 B CN 106789956B CN 201611087016 A CN201611087016 A CN 201611087016A CN 106789956 B CN106789956 B CN 106789956B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
- H04L65/612—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for unicast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/80—Responding to QoS
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1004—Server selection for load balancing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
- H04L67/1074—Peer-to-peer [P2P] networks for supporting data block transmission mechanisms
- H04L67/1078—Resource delivery mechanisms
- H04L67/108—Resource delivery mechanisms characterised by resources being split in blocks or fragments
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Information Transfer Between Computers (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The present invention relates to field of Internet multimedia, disclose a kind of P2P order method based on HLS, include: step S1: intercept user for the first time program request streaming media resource when to source station issue HLS request, the URL of streaming media resource is returned to user by dispatch server, dispatch server is based on HLS and requests access to source station simultaneously, by the complete HLS content caching of streaming media resource to cache server；Step S2: dispatch server chooses multiple memory nodes, and the TS fragment of the complete HLS content of streaming media resource in cache server is distributed to multiple memory nodes and is stored, and generates Distribution Results；Step S3: when user is to the source station same streaming media resource of program request again, dispatch server is based on Distribution Results, which is located at the TS fragment on each memory node and returns to user.The invention also discloses a kind of P2P VOD system based on HLS.The present invention can effectively accelerate the speed that user watches streaming media resource.
Description
Technical field
The present invention relates to field of Internet multimedia, and in particular to a kind of P2P order method and one kind based on HLS is based on
The P2P VOD system of HLS.
Background technique
With the prevalence of HLS (the dynamic code rate adaptive technique of HTTP LVIE STREAM, Apple company), increasingly
More stream media systems begins to use this technology, while P2P (Peer-to-peer networking, peer-to-peer network) conduct
A kind of universal networking technology, in order to improve the experience that user uses Streaming Media, P2P system also starts to support HLS format
Streaming Media, but P2P system be typically all with terminal device of user, such as Intelligent set top box, intelligent gateway etc. be used as P2P pairs
The problems such as storage equipment of a node in equal networks, such storage generally existing memory capacity of equipment is small, and performance is insufficient, it is not inconsistent
Close the demand of the nowadays convenient interaction of big data.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of P2P order method based on HLS
With a kind of P2P VOD system based on HLS, effectively accelerate the speed that user watches streaming media resource.
To achieve the above objectives, the technical solution adopted by the present invention is that: include:
Step S1: intercept user for the first time program request streaming media resource when to source station issue HLS request, dispatch server will flow
The URL of media resource returns to user, while dispatch server is based on HLS and requests access to source station, by the complete of streaming media resource
HLS content caching is to cache server；
Step S2: dispatch server chooses multiple memory nodes, will be in the complete HLS of streaming media resource in cache server
The TS fragment of appearance is distributed to multiple memory node storages, and generates Distribution Results, and the Distribution Results are streaming media resource
Storage relationship between each TS fragment and memory node of corresponding complete HLS content；
Step S3: when user is to the source station same streaming media resource of program request again, dispatch server is based on Distribution Results, will
The TS fragment that the streaming media resource is located on each memory node returns to user.
Based on the above technical solution, the user issues HLS request, and institute to source station by streaming media clients
It states and hook procedure is installed in streaming media clients.
Based on the above technical solution, the streaming media clients are Intelligent set top box or intelligent gateway.
Based on the above technical solution, step S1 specifically:
S1.1: a certain streaming media resource of user's program request for the first time simultaneously issues HLS request to source station；
S1.2: hook procedure intercepts HLS request, and HLS request is sent to dispatch server；
S1.3: the URL of streaming media resource is returned to streaming media clients by dispatch server, meanwhile, dispatch server base
Source station is requested access in HLS, by the corresponding complete HLS content caching of streaming media resource to cache server.
Based on the above technical solution, the TS fragment of HLS content is multiple, and one is stored in each memory node
Or multiple TS fragments.
The invention also discloses a kind of P2P VOD system based on HLS, comprising:
Streaming media clients are used for user's program request streaming media resource and issue HLS request, the Streaming Media visitor to source station
Family end is also used to playing stream media resource；
P2P plug-in unit is used to intercept the HLS request that user issues to source station；
Cache server and memory node；
Dispatch server is used to request access to source station according to HLS and the URL of streaming media resource is returned to the stream matchmaker
Body client, the dispatch server are also used to the corresponding complete HLS content caching of streaming media resource to cache server, and
The TS fragment of HLS content is distributed to memory node storage, generates Distribution Results, and by the TS fragment on each memory node
User is returned to, the Distribution Results are between each TS fragment and memory node of the corresponding complete HLS content of streaming media resource
Storage relationship.
Based on the above technical solution, the streaming media clients are Intelligent set top box or intelligent gateway.
Based on the above technical solution, the TS fragment of the corresponding HLS content of the streaming media resource is multiple, and every
One or more TS fragment is stored in a memory node.
Compared with prior art, a kind of P2P order method advantage based on HLS of the present invention is:
(1) by installing P2P plug-in unit, i.e. hook procedure in Intelligent set top box or intelligent gateway, the misfortune of HLS request is realized
It holds, the streaming media clients that can avoid user change URL, and the scheduling of P2P is realized in the case where user's unaware.
(2) when a certain streaming media resource of user's first time program request, dispatch server can return to the URL of streaming media resource
To user, caching and TS are carried out for the viewing of user's streaming media resource, while to the corresponding HLS content of source station streaming media resource
The distribution of fragment does not influence the viewing of user's streaming media resource.
(3) HLS fragment is stored on different memory nodes, is effectively realized the load balancing of memory node, is made full use of
The storage capacity of each memory node, as the user or other users program request streaming media resource again, then by each storage
TS fragment on node returns to user, the greatly speed of quickening user viewing streaming media resource.
A kind of the advantages of P2P VOD system based on HLS of the invention, is: right in the case where not influencing user's use
The HLS content of streaming media resource is cached and is distributed storage, thus when user's program request same streaming media resource again, stream
The TS fragment of the corresponding HLS content of media resource directly returns to user from multiple cache servers, improves user and watches stream
The speed of media resource.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the P2P order method based on HLS of the present invention.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Shown in Figure 1, the present invention provides a kind of P2P order method based on HLS, comprising:
Step S1: the HLS request issued when intercepting a certain streaming media resource of user's program request for the first time to source station, dispatch server
The URL of streaming media resource is returned into user, while dispatch server is based on HLS and requests access to source station, by streaming media resource pair
The complete HLS content caching answered is to cache server.User issues HLS request to source station by streaming media clients, and flows matchmaker
Hook procedure is installed, streaming media clients are Intelligent set top box or intelligent gateway, i.e. Intelligent set top box or intelligence in body client
Hook procedure can be installed in gateway.It is specific:
S1.1: user is by a certain streaming media resource of streaming media clients program request for the first time, and then streaming media clients are to source
It stands and issues HLS request.In the present embodiment, the URL of the streaming media resource of user's program request (Uniform Resource Locator,
Uniform resource locator) behttp://srcip:srcport/01.m3u8。
S1.2: hook procedure intercepts HLS request in streaming media clients, and HLS request is sent to dispatch server.
The step is specific are as follows: and hook procedure intercepts HLS request, forhttp://srcip:srcport/01.m3u8, hook procedure
This URL is kidnapped, and streaming media client is replied using HTTP302, the instruction of reply are as follows: Location:http:// TrackerIP:trackerPort? fvpxx=http: //srcip:srcport/01.m3u8, streaming media clients use this
Request is initiated in instruction again, this instruction is redirected and given according to the trackerIP and trackerPort in instruction by hook procedure
To dispatch server, trackerIP and trackerPort are the finger URL in instruction.HTTP302 is a kind of common state
Code.
S1.3: the URL of streaming media resource is returned to streaming media clients with HTTP302 by dispatch server, makes Streaming Media
Client streaming media resource plays out, meanwhile, dispatch server is based on HLS and requests access to source station, by streaming media resource pair
The complete HLS content caching answered is to cache server.
Step S2: dispatch server chooses multiple memory nodes, will be in the complete HLS of streaming media resource in cache server
The TS fragment of appearance is distributed to memory node storage, and generates Distribution Results, and TS fragment is the unit part for forming HLS content, HLS
The TS fragment of content is multiple, and one or more TS fragment is stored in each memory node, and Distribution Results are streaming media resource
Storage relationship between each TS fragment and memory node of corresponding complete HLS content.
The TS fragment of streaming media resource is stored on each memory node with document form, a memory node can be deposited
The one or more TS fragments for storing up the HLS content of the same streaming media resource, for example, storing HLS content on memory node 1
TS fragment 1 and TS fragment 2 store the TS fragment 3 of HLS content on memory node 2, are distributed according to the TS fragment of HLS content
The case where each memory node, generates Distribution Results.The selection of memory node can be held based on the current remaining storage of memory node
Amount, it is preferential to select the biggish memory node of residual storage capacity.
Step S3: when user is to the source station same streaming media resource of program request again, dispatch server is based on Distribution Results, by this
The TS fragment that streaming media resource is located on each memory node returns to user, i.e., by the TS of the HLS content of streaming media resource points
Piece returns to the streaming media clients of user entirely, and for user's broadcasting, i.e. client goes out to flow by P2P protocol realization P2P.
By installation P2P plug-in unit, i.e. hook procedure in Intelligent set top box or intelligent gateway, the abduction of HLS request is realized,
The streaming media clients that can avoid user change URL, and the scheduling of P2P is realized in the case where user's unaware.As user
When a certain streaming media resource of program request, the URL of streaming media resource can be returned to user by dispatch server, for user convection current matchmaker
The viewing of body resource, while the distribution of caching and TS fragment is carried out to the corresponding HLS content of source station streaming media resource, it does not influence to use
The viewing of family streaming media resource.HLS fragment is stored on different memory nodes, effectively realizes that the load of memory node is equal
Weighing apparatus, makes full use of the storage capacity of each memory node, as the user or other users program request streaming media resource again, then
TS fragment on each memory node is returned into user, the greatly speed of quickening user viewing streaming media resource.
Invention additionally discloses a kind of P2P VOD system based on HLS based on the above method, including streaming media clients,
P2P plug-in unit, cache server, memory node and dispatch server, streaming media clients are used for user's program request streaming media resource simultaneously
HLS request is issued to source station, streaming media clients are also used to playing stream media resource, and streaming media clients are generally intelligent machine top
Box or intelligent gateway；Hook procedure is installed, P2P plug-in unit is used to intercept the HLS request that user issues to source station in P2P plug-in unit；
Dispatch server is used to request access to source station according to HLS and the URL of streaming media resource is returned to streaming media clients, scheduling clothes
Business device is also used to the corresponding complete HLS content caching of streaming media resource to cache server, and the TS fragment of HLS content is divided
It is sent to memory node storage, Distribution Results is generated, and the TS fragment on each memory node is returned into user, that is, works as user
When program request has been cached the streaming media resource of HLS content again, dispatch server is based on Distribution Results, and streaming media resource is existed
TS fragment on each memory node returns to user, plays and watches for user.
The TS fragment of the corresponding HLS content of streaming media resource is multiple, and is stored in each memory node one or more
TS fragment, Distribution Results are the storage relationship between each TS fragment and memory node of the corresponding HLS content of streaming media resource.
In the case where not influencing user's use, the HLS content of streaming media resource caches the system and distribution is deposited
Storage, thus when user's program request same streaming media resource again, the TS fragment of the corresponding HLS content of streaming media resource directly from
User is returned in multiple cache servers, improves the speed that user watches streaming media resource.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention
Within the scope of.The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (8)
1. a kind of P2P order method based on HLS characterized by comprising
Step S1: intercept user for the first time program request streaming media resource when to source station issue HLS (HTTP LVIE STREAM, Apple
The dynamic code rate adaptive technique of company) it requests, the URL of streaming media resource is returned to user, dispatched simultaneously by dispatch server
Server is based on HLS and requests access to source station, by the complete HLS content caching of streaming media resource to cache server；
Step S2: dispatch server chooses multiple memory nodes, by the complete HLS content of streaming media resource in cache server
TS fragment is distributed to multiple memory node storages, and generates Distribution Results, and the Distribution Results are corresponding for streaming media resource
Complete HLS content each TS fragment and memory node between storage relationship, the TS fragment be media file；
Step S3: when user is to the source station same streaming media resource of program request again, dispatch server is based on Distribution Results, by the stream
The TS fragment that media resource is located on each memory node returns to user.
2. a kind of P2P order method based on HLS as described in claim 1, it is characterised in that: the user passes through Streaming Media
Client issues HLS request to source station, and is equipped with hook procedure in the streaming media clients.
3. a kind of P2P order method based on HLS as claimed in claim 2, it is characterised in that: the streaming media clients are
Intelligent set top box or intelligent gateway.
4. a kind of P2P order method based on HLS as claimed in claim 2, which is characterized in that step S1 specifically:
S1.1: a certain streaming media resource of user's program request for the first time simultaneously issues HLS request to source station；
S1.2: hook procedure intercepts HLS request, and HLS request is sent to dispatch server；
S1.3: the URL of streaming media resource is returned to streaming media clients by dispatch server, meanwhile, dispatch server is based on HLS
Source station is requested access to, by the corresponding complete HLS content caching of streaming media resource to cache server.
5. a kind of P2P order method based on HLS as described in claim 1, it is characterised in that: the TS fragment of HLS content is
It is multiple, and one or more TS fragment is stored in each memory node.
6. a kind of P2P VOD system based on HLS characterized by comprising
Streaming media clients are used for user's program request streaming media resource and issue HLS request, the streaming media clients to source station
It is also used to playing stream media resource；
P2P plug-in unit is used to intercept the HLS request that user issues to source station；
Cache server and memory node；
Dispatch server is used for when user's program request streaming media resource for the first time, intercepts the HLS request that user issues to source station,
Source station is requested access to according to HLS and the URL of streaming media resource is returned into the streaming media clients, the dispatch service simultaneously
Device is also used to the corresponding complete HLS content caching of streaming media resource to cache server, and the TS fragment of HLS content is distributed
It is stored to memory node, generates Distribution Results, and when user is to the source station same streaming media resource of program request again, based on distribution
As a result, the TS fragment on each memory node is returned to user, the Distribution Results are the corresponding complete HLS of streaming media resource
Storage relationship between each TS fragment and memory node of content.
7. a kind of P2P VOD system based on HLS as claimed in claim 6, it is characterised in that: the streaming media clients are
Intelligent set top box or intelligent gateway.
8. a kind of P2P VOD system based on HLS as claimed in claim 6, it is characterised in that: the streaming media resource is corresponding
HLS content TS fragment be it is multiple, and in each memory node store one or more TS fragment.
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| CN109525867B (en) * | 2017-09-18 | 2022-06-03 | 中兴通讯股份有限公司 | Load balancing method and device and mobile terminal |
| CN108270845A (en) * | 2017-12-13 | 2018-07-10 | 武汉市烽视威科技有限公司 | A kind of P2P VOD systems and method based on RTSP |
| CN109005430B (en) * | 2018-09-17 | 2021-05-18 | 深圳市网心科技有限公司 | Method, system, device and storage medium for on-demand playing of audio/video contents |
| EP4085644A1 (en) * | 2019-12-30 | 2022-11-09 | Nagravision Sàrl | Techniques for providing a content stream based on a delivered stream of content |
| CN113259688B (en) * | 2021-05-12 | 2023-04-18 | 湖南快乐阳光互动娱乐传媒有限公司 | Storage allocation method and device for video resources |
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