CN106789956A - A kind of P2P order methods and system based on HLS - Google Patents
A kind of P2P order methods and system based on HLS Download PDFInfo
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- CN106789956A CN106789956A CN201611087016.6A CN201611087016A CN106789956A CN 106789956 A CN106789956 A CN 106789956A CN 201611087016 A CN201611087016 A CN 201611087016A CN 106789956 A CN106789956 A CN 106789956A
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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
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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
- H04L65/65—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, a kind of P2P order methods based on HLS are disclosed, including：Step S1：Intercept user first program request streaming media resource when the HLS that sends to source station ask, the URL of streaming media resource is returned to user by dispatch server, dispatch server is based on HLS requests and accesses source station simultaneously, by the complete HLS content cachings of streaming media resource to caching server；Step S2：Dispatch server chooses multiple memory nodes, the TS bursts of the complete HLS contents of streaming media resource in caching server is distributed into multiple memory node storages, and generate 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, and the TS bursts that the streaming media resource is located on each memory node are returned into user.The invention also discloses a kind of P2P VOD systems 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 methods and one kind based on HLS are based on
The P2P VOD systems of HLS.
Background technology
With the prevalence of HLS (the dynamic code rate adaptive technique of HTTP LVIE STREAM, Apple companies), increasingly
Many stream media systems begin to use this technology, while P2P (Peer-to-peer networking, peer-to-peer network) conduct
A kind of networking technology of popularization, in order to improve user for the experience that Streaming Media is used, P2P systems also begin to support HLS forms
Streaming Media, but P2P systems are typically all that for example Intelligent set top box, intelligent gateway etc. are used as P2P pairs with the terminal device of user
Deng a storage device for node in network, such storage device generally existing memory capacity is small, the problems such as performance is not enough, is not inconsistent
Close the demand of the nowadays convenient interaction of big data.
The content of the invention
For defect present in prior art, it is an object of the invention to provide a kind of P2P order methods based on HLS
With a kind of P2P VOD systems based on HLS, effectively accelerate the speed that user watches streaming media resource.
To achieve the above objectives, the present invention is adopted the technical scheme that：Including：
Step S1：Intercept user first program request streaming media resource when the HLS that sends to source station ask, dispatch server will flow
The URL of media resource returns to user, while dispatch server is based on HLS requests accesses source station, by the complete of streaming media resource
HLS content cachings are to caching server；
Step S2：Dispatch server chooses multiple memory nodes, by the complete HLS of streaming media resource in caching server
The TS bursts of appearance are distributed to multiple memory node storages, and generate Distribution Results, and the Distribution Results are streaming media resource
Storage relation between each TS burst and memory node of corresponding complete HLS contents；
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 bursts that the streaming media resource is located on each memory node return to user.
On the basis of above-mentioned technical proposal, the user sends HLS and asks by streaming media clients to source station, and institute
State and hook procedure is installed in streaming media clients.
On the basis of above-mentioned technical proposal, the streaming media clients are Intelligent set top box or intelligent gateway.
On the basis of above-mentioned technical proposal, step S1 is specially：
S1.1：The a certain streaming media resource of user's program request first simultaneously sends HLS requests to source station；
S1.2：Hook procedure intercepts HLS requests, and HLS requests are 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 accessed in HLS requests, by the corresponding complete HLS content cachings of streaming media resource to caching server.
On the basis of above-mentioned technical proposal, the TS bursts of HLS contents are multiple, and one is stored in each memory node
Or multiple TS bursts.
The invention also discloses a kind of P2P VOD systems based on HLS, including：
Streaming media clients, it is used for user's program request streaming media resource and sends HLS requests, the Streaming Media visitor to source station
Family end is additionally operable to playing stream media resource；
P2P plug-in units, it is used to intercept the HLS requests that user sends to source station；
Caching server and memory node；
Dispatch server, it is used to access source station according to HLS requests and the URL of streaming media resource is returned into the stream matchmaker
Body client, the dispatch server is additionally operable to the corresponding complete HLS content cachings of streaming media resource to caching server, and
The TS bursts of HLS contents are distributed to memory node storage, Distribution Results are generated, and by the TS bursts on each memory node
User is returned to, the Distribution Results are between each TS burst and memory node of the corresponding complete HLS contents of streaming media resource
Storage relation.
On the basis of above-mentioned technical proposal, the streaming media clients are Intelligent set top box or intelligent gateway.
On the basis of above-mentioned technical proposal, the TS bursts of the corresponding HLS contents of the streaming media resource are multiple, and often
One or more TS bursts are stored in individual memory node.
Compared with prior art, a kind of P2P order method advantages based on HLS of the present invention are：
(1) by installing P2P plug-in units, i.e. hook procedure in Intelligent set top box or intelligent gateway, the misfortune of HLS requests is realized
Hold, the streaming media clients of user can be avoided to change URL, the scheduling of P2P is realized in the case of 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, for the viewing of user's streaming media resource, while HLS contents corresponding to source station streaming media resource are cached and TS
The distribution of burst, the viewing of user's streaming media resource is not influenceed.
(3) HLS bursts are stored on different memory nodes, effectively realize the load balancing of memory node, are made full use of
The storage capacity of each memory node, when the user or other users program request streaming media resource again, then stores each
TS bursts on node return to user, greatly accelerate the speed that user watches streaming media resource.
A kind of advantage of P2P VOD systems based on HLS of the invention is：It is right in the case where user's use is not influenceed
The HLS contents of streaming media resource are cached and are distributed storage, so as to when user's program request same streaming media resource again, flow
The TS bursts of the corresponding HLS contents of media resource directly return to user from multiple caching servers, improve user's viewing stream
The speed of media resource.
Brief description of the drawings
Fig. 1 is a kind of flow chart of the P2P order methods based on HLS of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Shown in Figure 1, the present invention provides a kind of P2P order methods based on HLS, including：
Step S1：The HLS sent to source station when intercepting a certain streaming media resource of user's program request first is asked, dispatch server
The URL of streaming media resource is returned into user, while dispatch server is based on HLS requests accesses source station, by streaming media resource pair
The complete HLS content cachings answered are to caching server.User sends HLS and asks by streaming media clients to source station, and stream 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.Specifically：
S1.1：, by the streaming media clients a certain streaming media resource of program request first, then streaming media clients are to source for user
Station sends HLS requests.In the present embodiment, the URL of the streaming media resource of user's program request (Uniform Resource Locator,
URL) behttp://srcip:srcport/01.m3u8。
S1.2：Hook procedure intercepts HLS requests in streaming media clients, and HLS requests are sent to dispatch server.
The step is specifically：Hook procedure intercepts HLS requests, forhttp://srcip:srcport/01.m3u8, hook procedure
This URL is kidnapped, and streaming media client is replied using HTTP302, the instruction of reply is：Location:http:// trackerIP:trackerPortFvpxx=http://srcip:srcport/01.m3u8, streaming media clients use this
Request is initiated in instruction again, and trackerIP and trackerPort of the hook procedure in instruction give this instruction redirection
To dispatch server, trackerIP and trackerPort is 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 by dispatch server with HTTP302, makes Streaming Media
Client streaming media resource is played out, meanwhile, dispatch server is based on HLS requests and accesses source station, by streaming media resource pair
The complete HLS content cachings answered are to caching server.
Step S2：Dispatch server chooses multiple memory nodes, by the complete HLS of streaming media resource in caching server
The TS bursts of appearance are distributed to memory node storage, and generate Distribution Results, and TS bursts are the cell mesh for constituting HLS contents, HLS
The TS bursts of content are multiple, and one or more TS bursts are stored in each memory node, and Distribution Results are streaming media resource
Storage relation between each TS burst and memory node of corresponding complete HLS contents.
The TS bursts of streaming media resource are stored on each memory node with document form, a memory node can be deposited
One or more TS bursts of the HLS contents of same streaming media resource are stored up, for example, storing HLS contents on memory node 1
TS bursts 1 and TS bursts 2, store the TS bursts 3 of HLS contents on memory node 2, the TS bursts according to HLS contents are distributed in
The situation of each memory node, generates Distribution Results.The selection of memory node can be based on the current remaining storage of memory node and hold
Amount, the larger memory node of prioritizing selection residue memory 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 bursts that streaming media resource is located on each memory node return to user, will streaming media resource HLS contents TS point
Piece returns to the streaming media clients of user entirely, and so that user plays, i.e., P2P goes out to flow client by P2P protocol realizations.
By installing P2P plug-in units, i.e. hook procedure in Intelligent set top box or intelligent gateway, the abduction of HLS requests is realized,
The streaming media clients of user can be avoided to change URL, the scheduling of P2P is realized in the case of user's unaware.As user
During 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, at the same HLS contents corresponding to source station streaming media resource cached and TS bursts distribution, do not influence use
The viewing of family streaming media resource.HLS bursts are stored on different memory nodes, effectively realize that the load of memory node is equal
Weighing apparatus, makes full use of the storage capacity of each memory node, when the user or other users program request streaming media resource again, then
TS bursts on each memory node are returned into user, greatly accelerates the speed that user watches streaming media resource.
Invention additionally discloses a kind of P2P VOD systems based on HLS based on the above method, including streaming media clients,
P2P plug-in units, caching server, memory node and dispatch server, streaming media clients are used for user's program request streaming media resource simultaneously
HLS is sent to source station to ask, streaming media clients are additionally operable 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 units are used to intercept the HLS requests that user sends to source station in P2P plug-in units；
Dispatch server is used to access source station according to HLS requests and the URL of streaming media resource is returned into streaming media clients, scheduling clothes
Business device is additionally operable to the corresponding complete HLS content cachings of streaming media resource to caching server, and the TS bursts of HLS contents are divided
Memory node storage is sent to, Distribution Results are generated, and the TS bursts on each memory node are returned into user, that is, work as user
When program request has been cached the streaming media resource of HLS contents again, dispatch server is based on Distribution Results, and streaming media resource is existed
TS bursts on each memory node return to user, are played for user and watched.
The TS bursts of the corresponding HLS contents of streaming media resource are multiple, and store one or more in each memory node
TS bursts, Distribution Results are the storage relation between each TS burst and memory node of the corresponding HLS contents of streaming media resource.
In the case where user's use is not influenceed, the HLS contents of streaming media resource are cached the system and distribution is deposited
Storage, so as to when user's program request same streaming media resource again, the TS bursts of the corresponding HLS contents of streaming media resource directly from
User is returned in multiple caching servers, the speed that user watches streaming media resource is improved.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
On the premise of the principle of the invention, some 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 not being described in detail in this specification belongs to prior art known to professional and technical personnel in the field.
Claims (8)
1. a kind of P2P order methods based on HLS, it is characterised in that including：
Step S1：Intercept user first program request streaming media resource when the HLS that sends to source station ask, dispatch server is by Streaming Media
The URL of resource returns to user, while dispatch server is based on HLS requests accesses source station, by the complete HLS of streaming media resource
Hold caching to caching server；
Step S2：Dispatch server chooses multiple memory nodes, by the complete HLS contents of streaming media resource in caching server
TS bursts are distributed to multiple memory node storages, and generate Distribution Results, and the Distribution Results are streaming media resource correspondence
Complete HLS contents each TS burst and memory node between storage relation；
Step S3：When user is to the source station same streaming media resource of program request again, dispatch server is based on Distribution Results, and this is flowed
The TS bursts that media resource is located on each memory node return to user.
2. a kind of P2P order methods based on HLS as claimed in claim 1, it is characterised in that：The user passes through Streaming Media
Client sends HLS and asks to source station, and is provided with hook procedure in the streaming media clients.
3. a kind of P2P order methods 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 methods based on HLS as claimed in claim 2, it is characterised in that step S1 is specially：
S1.1：The a certain streaming media resource of user's program request first simultaneously sends HLS requests to source station；
S1.2：Hook procedure intercepts HLS requests, and HLS requests are 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
Request accesses source station, by the corresponding complete HLS content cachings of streaming media resource to caching server.
5. a kind of P2P order methods based on HLS as claimed in claim 1, it is characterised in that：The TS bursts of HLS contents are
One or more TS bursts are stored in multiple, and each memory node.
6. a kind of P2P VOD systems based on HLS, it is characterised in that including：
Streaming media clients, it is used for user's program request streaming media resource and sends HLS requests, the streaming media clients to source station
It is additionally operable to playing stream media resource；
P2P plug-in units, it is used to intercept the HLS requests that user sends to source station；
Caching server and memory node；
Dispatch server, it is used to access source station according to HLS requests and the URL of streaming media resource is returned into the Streaming Media visitor
Family end, the dispatch server is additionally operable to the corresponding complete HLS content cachings of streaming media resource to caching server, and will
The TS bursts of HLS contents are distributed to memory node storage, generate Distribution Results, and the TS bursts on each memory node are returned
Back to user, the Distribution Results are between each TS burst and memory node of the corresponding complete HLS contents of streaming media resource
Storage relation.
7. a kind of P2P VOD systems 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 systems based on HLS as claimed in claim 6, it is characterised in that：The streaming media resource correspondence
The TS bursts of HLS contents be multiple, and one or more TS bursts are stored in each memory node.
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| CN109525867A (en) * | 2017-09-18 | 2019-03-26 | 中兴通讯股份有限公司 | Load-balancing method, device and mobile terminal |
| WO2021136823A1 (en) * | 2019-12-30 | 2021-07-08 | Nagravision S.A. | Techniques for providing a content stream based on a delivered stream of content |
| CN113259688A (en) * | 2021-05-12 | 2021-08-13 | 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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| CN106789956B (en) | 2019-10-25 |
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