CN103152611B - A kind of control method and device of Streaming Media pipeline business - Google Patents
A kind of control method and device of Streaming Media pipeline business Download PDFInfo
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Abstract
The invention discloses a kind of control method of Streaming Media pipeline business, on the control device applied to Streaming Media pipeline business, including：Session is established in the request that video is watched according to user, there is provided Streaming Media pipe service, and record the user information and video content information of the session；During streaming media playing, after the playing request for receiving user, new connection, and the user information in the playing request and the existing session of video content information matching are established；Such as successful match, then by the newly-built connection and existing session association, service is provided using the Streaming Media pipeline of already-existing session.The present invention can avoid Streaming Media pipe service from rebuilding when user drags streaming media playing progress bar, shorten system response time, improve user experience.The invention also discloses a kind of control device of Streaming Media pipeline business.
Description
Technical field
The present invention relates to streaming media transmission technique field, more particularly to a kind of control method of Streaming Media pipeline business
And device.
Background technology
In recent years, growth trend is presented on userbase and user's usage time in Internet video, increases in face of swift and violent
Video traffic, video website and Virtual network operator take new technology to tackle video industry in content and network facet respectively
The challenge that business surge is brought.
Video website introduced CDN (Content Delivery Network, content distributing network) after 2000
Technology, by the way that video content to be buffered in the place nearer from terminal user, on the one hand reduces the weight of message over the backbone
It is multiple to transmit, the expense in backbone network is reduced, on the other hand, shortens user's request and video in online transmission time, greatly
Improve the experience of user.Virtual network operator then proposes the concepts such as intelligent pipeline, for improving the service quality of network.Intelligence
Pipeline is defined as according to customer value, the rational Internet resources of business Value load and the data pipe for providing corresponding charging means
Road.
Intelligent pipeline is combined with CDN technologies, transmits video in linkage, can provide guarantor at two aspects of content and network
Barrier, so as to provide more reliable Streaming Media pipe service to the user.Streaming Media pipeline is designed for Streaming Media (video) transmission
Pipeline, provide Streaming Media pipe service to the user, including establish session, implementation content guarantee and network guarantee, wherein, content
Ensure that such as content accelerates, network guarantee such as bandwidth safeguard etc..Fig. 1 shows one that intelligent pipeline is combined with CDN technologies
The kind network architecture, including：Terminal device, control device, CDN equipment, policy control equipment, video website server, aaa authentication
Equipment, it is also possible to including other network elements such as NAT device (in access net).Wherein, terminal device is located in access net, including
Fixed terminal, mobile terminal etc., user pass through the terminal device direct viewing video.Control device is positioned at access net and core net
Edge, such as, be erected on BRAS (Broadband Remote Access Server, Broadband Remote Access Server),
Even can individually it set up, control device decides whether Streaming Media pipe by interacting between each network element of core net
Road, such as：The certification of coordinates user authority, the application of network guarantee and revocation, the application of content guarantee and revocation, user's charging
The feedback of information, ANCP (Access Node Control Protocol, Access Node Control Protocol) strategy interaction (if
Build on BRAS) etc..Proxy server of the CDN equipment as video website, there is provided actual video is with implementation content guarantee.
Video website server provides basic video page to the user, when CDN equipment cannot provide video, also provides a user and regards
Frequently.Policy control equipment is responsible for issuing network guarantee strategy.Aaa authentication equipment is used for the essential information of certification user.
Intelligent pipeline is when CDN technologies are combined and provide Streaming Media pipe service to the user, mistake of the user in viewing video
Cheng Zhong, if user drags playing progress bar, then control device needs to discharge original session, establishes new session, so that
Realize the double shield of content and network., it is necessary to terminate original service during closing and restarting session, this is wasted greatly
The system resource of amount, extends the response time, so that adding operator's cost, reduces the satisfaction of customer.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of control method and device of Streaming Media pipeline business, can
Avoid Streaming Media pipe service to rebuild when user drags streaming media playing progress bar, shorten system response time, improve user
Experience.
In order to solve the above technical problem, the present invention provides a kind of control method of Streaming Media pipeline business, it is applied to
On the control device of Streaming Media pipeline business, this method includes：
Session is established in the request that video is watched according to user, there is provided Streaming Media pipe service, and record the user of the session
Information and video content information；
During streaming media playing, after the playing request for receiving user, new connection is established, and according to the playing request
In user information and video content information match existing session；
Such as successful match, then by the newly-built connection and existing session association, carried using the Streaming Media pipeline of already-existing session
For service.
Further, this method further comprises following characteristics：
Further include：During streaming media playing, after the broadcasting reset RST requests for receiving user, judge that RST requests refer to
Show whether the session of release has been associated with other connections, if so, RST requests are then not responding to, if not, a timer is set, it is fixed
When device time-out do not receive new playing request, then respond the RST request, releasing session.
Further, this method further comprises following characteristics：
User information and video content information in the playing request match existing session, including：
As user is not directly accessed network by NAT device, then by the IP address and video in the playing request
Hold information, compared with the IP address and video content information of already-existing session, if the former IP address is with after
The IP address of person is consistent, and the former video content information is consistent with the video content information of the latter, then successful match.
Further, this method further comprises following characteristics：
User information and video content information in the playing request match existing session, including：
As user by NAT device access network, then will in the playing request pass through the transformed IP address of NAT
With port numbers and video content information, by the transformed IP address of NAT and port numbers and regarded with already-existing session
Frequency content information is compared, if the former IP address and port numbers are corresponding with the IP address and port numbers of the latter
In same user, and the former video content information is consistent with the video content information of the latter, then successful match；
Wherein, control device NAT forwarding tables also synchronous with NAT device or agreement NAT forwarding rules.
Further, this method further comprises following characteristics：
User information and video content information in the playing request match existing session, including：
As carried application layer access identities in playing request, then by the application layer access identities and video in the playing request
Content information, compared with the application layer access identities and video content information of already-existing session, if the former application layer is visited
Ask that mark is consistent with the application layer access identities of the latter, and the former video content information and the video content information of the latter one
Cause, then successful match.
Further, this method further comprises following characteristics：
It is described that this is created into connection and existing session association, including：
The corresponding connection of session is updated to the newly-built connection；
Whether the session for judging RST request instruction releases has been associated with other connections, including：
Whether the current corresponding connection of session for judging RST request instruction releases is the connection identified in RST requests,
If so, then judge that the session of RST request instruction releases is not associated with other connections, if not, judging RST request instructions
The session of release has been associated with other connections.
In order to solve the above-mentioned technical problem, present invention also offers a kind of control device of Streaming Media pipeline business, application
In on the control device of Streaming Media pipeline business, which includes：
Session is established in session establishment module, the request that video is watched according to user, there is provided Streaming Media pipe service, and record
The user information and video content information of the session；
Playing request processing module, after the playing request for during streaming media playing, receiving user, is established new
Connection, and the user information in the playing request and the existing session of video content information matching；
Session association module, for such as successful match, then by the newly-built connection and existing session association, using
The Streaming Media pipeline of words provides service.
Further, which further comprises following characteristics：
The control device, which further includes, plays reset request processing module；
Reset request processing module is played, the broadcasting for during streaming media playing, receiving user resets RST requests
Afterwards, judge whether the session of RST request instruction releases has been associated with other connections, if so, being then not responding to RST requests, such as
It is no, a timer is set, and timer expiry does not receive new playing request, then responds RST requests, releasing session.
Further, which further comprises following characteristics：
User information and video content information matching of the playing request processing module in the playing request are existing
Session, including：
As user is not directly accessed network by NAT device, then playing request processing module is by the use in the playing request
Family IP address and video content information, compared with the IP address and video content information of already-existing session, if the former
IP address it is consistent with the IP address of the latter, and the former video content information and the video content information of the latter one
Cause, then successful match.
Further, which further comprises following characteristics：
User information and video content information matching of the playing request processing module in the playing request are existing
Session, including：
As user by NAT device accesses network, then the playing request processing module is by the process in the playing request
The transformed IP address of NAT and port numbers and video content information, with already-existing session by the transformed users of NAT
IP address and port numbers and video content information are compared, if the former IP address and port numbers and the use of the latter
Family IP address and port numbers correspond to same user, and the former video content information and the video content information of the latter one
Cause, then successful match；
Wherein, playing request processing module NAT forwarding tables also synchronous with NAT device or agreement NAT forwarding rules.
Further, which further comprises following characteristics：
User information and video content information matching of the playing request processing module in the playing request are existing
Session, including：
As carried application layer access identities in playing request, then the playing request processing module is by the playing request
Application layer access identities and video content information, are compared with the application layer access identities and video content information of already-existing session
Compared with, if the former application layer access identities are consistent with the application layer access identities of the latter, and the former video content information with
The video content information of the latter is consistent, then successful match.
Further, which further comprises following characteristics：
This is created connection and existing session association by the session association module, including：
The corresponding connection of session is updated to the newly-built connection by session association module；
The reset request processing module that plays judges whether the session of RST request instruction releases has been associated with other companies
Connect, including：
Play reset request processing module and judge whether the current corresponding connection of session of RST request instruction releases is this
The connection identified in RST requests, if so, then judging that the session of RST request instruction releases is not associated with other connections, such as
It is no, then judge that the session of RST request instruction releases has been associated with other connections.
Compared with prior art, the control method and device of a kind of Streaming Media pipeline business provided by the invention, by
During streaming media playing, user information and video content information in received playing request match existing session,
Such as successful match, then by newly-built connection and existing session association, service is provided using the Streaming Media pipeline of already-existing session, can
Avoid Streaming Media pipe service to rebuild when user drags streaming media playing progress bar, shorten system response time, improve user
Experience.
Brief description of the drawings
Fig. 1 is the schematic diagram for the network for providing Streaming Media pipeline business in the prior art.
Fig. 2 is the flow chart of the control method of the Streaming Media pipeline business of the embodiment of the present invention.
Fig. 3 is the structure diagram of the control device of the Streaming Media pipeline business of the embodiment of the present invention.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the case where there is no conflict, in the embodiment and embodiment in the application
Feature can mutually be combined.
As shown in Fig. 2, an embodiment of the present invention provides a kind of control method of Streaming Media pipeline business, applied to Streaming Media
On the control device of pipeline business, this method includes：
Session is established in S10, the request that video is watched according to user, there is provided Streaming Media pipe service, and record the session
User information and video content information；
S20, during streaming media playing, after the playing request for receiving user, establishes new connection, and according to the broadcasting
User information and video content information in request match existing session；
S30, such as successful match, then by the newly-built connection and existing session association, utilize the Streaming Media pipe of already-existing session
Road provides service；
This method further comprises following characteristics：
Wherein, the playing request is HTTP GET requests.
Wherein, when user drags playing progress bar, the browser of user also sends in addition to playing request is sent and plays reset
Ask (RST requests)；
Wherein, during streaming media playing, after the broadcasting reset RST requests for receiving user, RST request instructions are judged
Whether the session of release has been associated with other connections, if so, RST requests are then not responding to, if not, a timer is set, and timing
Device time-out does not receive new playing request, then responds RST requests, releasing session.
Wherein, session is established in the request for video being watched according to user, including：Session is corresponded into current connection；
It is described that this is created into connection and existing session association, including：
The corresponding connection of session is updated to the newly-built connection；
Whether the session for judging RST request instruction releases has been associated with other connections, including：
Whether the current corresponding connection of session for judging RST request instruction releases is the connection identified in RST requests,
If so, then judge that the session of RST request instruction releases is not associated with other connections, if not, judging RST request instructions
The session of release has been associated with other connections.
Wherein, the parameter of connection includes：The port numbers of connection；
Wherein, the user information in the playing request and video content information match existing session, including：
As user is not directly accessed network by NAT device, then by the IP address and video in the playing request
Hold information, compared with the IP address and video content information of already-existing session, if the former IP address is with after
The IP address of person is consistent, and the former video content information is consistent with the video content information of the latter, then successful match.
Wherein, the user information in the playing request and video content information match existing session, including：
As user by NAT device access network, then will in the playing request pass through the transformed IP address of NAT
With port numbers and video content information, by the transformed IP address of NAT and port numbers and regarded with already-existing session
Frequency content information is compared, if the former IP address and port numbers are corresponding with the IP address and port numbers of the latter
In same user, and the former video content information is consistent with the video content information of the latter, then successful match；
Wherein, control device NAT forwarding tables also synchronous with NAT device or agreement NAT forwarding rules；Such as warp
The IP and the port numbers of a certain scope crossed after NAT conversion represents specific source IP address, that is, each section of fixed number destination interface
Number distribute to same user.For example, the IP changed through NAT is 23.14.78.59, it is right every 2000 port numbers under the IP
A user is answered, then user A can correspond to：IP address is 67.25.30.57 and range of port number is 12001 to 14000, is used
Family B can correspond to：IP address is 67.25.30.57 and range of port number is 14001 to 16000.
Wherein, the user information in the playing request and video content information match existing session, including：
As carried application layer access identities in playing request, then by the application layer access identities and video in the playing request
Content information, compared with the application layer access identities and video content information of already-existing session, if the former application layer is visited
Ask that mark is consistent with the application layer access identities of the latter, and the former video content information and the video content information of the latter one
Cause, then successful match.
Wherein, the application layer access identities are distributed when user asks viewing video first, and terminating viewing in user should
Discharged during video；Same user reopens again after accessing different video, or user's closing browser, application layer access identities
It can change, still, application layer access identities are constant when user drags playing progress bar, therefore, can be visited by application layer
Ask that mark identifies certain access to certain video of same user；
Wherein, control device identifies different videos according to requested video numbering：For the video do not cut into slices, one
Video only has unique video to number；For the video of section, redirected by slice information table and address, associate same video
Different sections.
As shown in figure 3, an embodiment of the present invention provides a kind of control device of Streaming Media pipeline business, applied to Streaming Media
On the control device of pipeline business, which includes：
Session is established in session establishment module, the request that video is watched according to user, there is provided Streaming Media pipe service, and record
The user information and video content information of the session；
Playing request processing module, after the playing request for during streaming media playing, receiving user, is established new
Connection, and the user information in the playing request and the existing session of video content information matching；
Session association module, for such as successful match, then by the newly-built connection and existing session association, using
The Streaming Media pipeline of words provides service.
The control device further comprises following characteristics：
Wherein, when user drags playing progress bar, the browser of user also sends in addition to playing request is sent and plays reset
Ask (RST requests)；
Wherein, which, which further includes, plays reset request processing module；
Reset request processing module is played, the broadcasting for during streaming media playing, receiving user resets RST requests
Afterwards, judge whether the session of RST request instruction releases has been associated with other connections, if so, being then not responding to RST requests, such as
It is no, a timer is set, and timer expiry does not receive new playing request, then responds RST requests, releasing session.
Wherein, user information and video content information matching of the playing request processing module in the playing request
Existing session, including：
As user is not directly accessed network by NAT device, then playing request processing module is by the use in the playing request
Family IP address and video content information, compared with the IP address and video content information of already-existing session, if the former
IP address it is consistent with the IP address of the latter, and the former video content information and the video content information of the latter one
Cause, then successful match.
Wherein, user information and video content information matching of the playing request processing module in the playing request
Existing session, including：
As user by NAT device accesses network, then the playing request processing module is by the process in the playing request
The transformed IP address of NAT and port numbers and video content information, with already-existing session by the transformed users of NAT
IP address and port numbers and video content information are compared, if the former IP address and port numbers and the use of the latter
Family IP address and port numbers correspond to same user, and the former video content information and the video content information of the latter one
Cause, then successful match；
Wherein, playing request processing module NAT forwarding tables also synchronous with NAT device or agreement NAT forwarding rules.
Wherein, user information and video content information matching of the playing request processing module in the playing request
Existing session, including：
As carried application layer access identities in playing request, then the playing request processing module is by the playing request
Application layer access identities and video content information, are compared with the application layer access identities and video content information of already-existing session
Compared with, if the former application layer access identities are consistent with the application layer access identities of the latter, and the former video content information with
The video content information of the latter is consistent, then successful match.
Wherein, this is created connection and existing session association by the session association module, including：
The corresponding connection of session is updated to the newly-built connection by session association module；
The reset request processing module that plays judges whether the session of RST request instruction releases has been associated with other companies
Connect, including：
Play reset request processing module and judge whether the current corresponding connection of session of RST request instruction releases is this
The connection identified in RST requests, if so, then judging that the session of RST request instruction releases is not associated with other connections, such as
It is no, then judge that the session of RST request instruction releases has been associated with other connections.
Wherein, the playing request is HTTP GET requests.
The control method and control device for a kind of Streaming Media pipeline business that above-described embodiment provides, by being broadcast in Streaming Media
During putting, user information in received playing request and video content information match existing session, such as matching into
Work(, then by newly-built connection and existing session association, provide service using the Streaming Media pipeline of already-existing session, can be dragged in user
Avoid Streaming Media pipe service to rebuild during dynamic streaming media playing progress bar, shorten system response time, improve user experience.
One of ordinary skill in the art will appreciate that all or part of step in the above method can be instructed by program
Related hardware is completed, and described program can be stored in computer-readable recording medium, such as read-only storage, disk or CD
Deng.Alternatively, all or part of step of above-described embodiment can also be realized using one or more integrated circuits, accordingly
Ground, each module/unit in above-described embodiment can be realized in the form of hardware, can also use the shape of software function module
Formula is realized.The present invention is not restricted to the combination of the hardware and software of any particular form.
It should be noted that the present invention can also have other various embodiments, without departing substantially from of the invention spiritual and its essence
In the case of, those skilled in the art can make various corresponding changes and deformation according to the present invention, but these are corresponding
Change and deform the protection domain that should all belong to appended claims of the invention.
Claims (10)
1. a kind of control method of Streaming Media pipeline business, on the control device applied to Streaming Media pipeline business, this method bag
Include：
Session is established in the request that video is watched according to user, there is provided Streaming Media pipe service, and record the user information of the session
And video content information；
During streaming media playing, after the playing request for receiving user, new connection is established, and according in the playing request
User information and video content information match existing session；The playing request is HTTP GET requests；
Such as successful match, then by the newly-built connection and existing session association, clothes are provided using the Streaming Media pipeline of already-existing session
Business；
Further include：During streaming media playing, after the broadcasting reset RST requests for receiving user, judge that RST request instructions are released
Whether the session put has been associated with other connections, if so, RST requests are then not responding to, if not, setting a timer, timer
Time-out does not receive new playing request, then responds RST requests, releasing session.
2. the method as described in claim 1, it is characterised in that：
User information and video content information in the playing request match existing session, including：
As user is not directly accessed network by NAT device, then the IP address in the playing request and video content are believed
Breath, compared with the IP address and video content information of already-existing session, if the former IP address and the latter
IP address is consistent, and the former video content information is consistent with the video content information of the latter, then successful match.
3. the method as described in claim 1, it is characterised in that：
User information and video content information in the playing request match existing session, including：
As user passes through NAT device access network, then the transformed IP address of process NAT that will be in the playing request and end
Slogan and video content information, with already-existing session by the transformed IP address of NAT and port numbers and video
Hold information to be compared, if the IP address and port numbers of the former IP address and port numbers and the latter correspond to together
One user, and the former video content information is consistent with the video content information of the latter, then successful match；
Wherein, control device NAT forwarding tables also synchronous with NAT device or agreement NAT forwarding rules.
4. the method as described in claim 1, it is characterised in that：
User information and video content information in the playing request match existing session, including：
As carried application layer access identities in playing request, then by the application layer access identities and video content in the playing request
Information, compared with the application layer access identities and video content information of already-existing session, if the former application layer accesses mark
Knowledge is consistent with the application layer access identities of the latter, and the former video content information is consistent with the video content information of the latter, then
Successful match.
5. the method as described in claim 1, it is characterised in that：
It is described that this is created into connection and existing session association, including：
The corresponding connection of session is updated to the newly-built connection；
Whether the session for judging RST request instruction releases has been associated with other connections, including：
Whether the current corresponding connection of session for judging RST request instruction releases is the connection identified in RST requests, such as
It is that the session for then judging RST request instruction releases is not associated with other connections, if not, judging that RST request instructions are released
The session put has been associated with other connections.
6. a kind of control device of Streaming Media pipeline business, on the control device applied to Streaming Media pipeline business, the device bag
Include：
Session is established in session establishment module, the request that video is watched according to user, there is provided Streaming Media pipe service, and record the meeting
The user information and video content information of words；
Playing request processing module, after the playing request for during streaming media playing, receiving user, establishes new company
Connect, and the user information in the playing request and the existing session of video content information matching；The playing request is
HTTP GET requests；
Session association module, for such as successful match, then by the newly-built connection and existing session association, utilizes already-existing session
Streaming Media pipeline provides service；
Reset request processing module is played, after the broadcasting for during streaming media playing, receiving user resets RST requests,
Judge whether the session of RST request instruction releases has been associated with other connections, if so, RST requests are then not responding to, if not,
One timer is set, and timer expiry does not receive new playing request, then responds RST requests, releasing session.
7. control device as claimed in claim 6, it is characterised in that：
User information and video content information of the playing request processing module in the playing request match existing meeting
Words, including：
As user is not directly accessed network by NAT device, then playing request processing module is by the User IP in the playing request
Address and video content information, compared with the IP address and video content information of already-existing session, if the former use
Family IP address is consistent with the IP address of the latter, and the former video content information is consistent with the video content information of the latter,
Then successful match.
8. control device as claimed in claim 6, it is characterised in that：
User information and video content information of the playing request processing module in the playing request match existing meeting
Words, including：
As user by NAT device access network, then the playing request processing module will in the playing request by NAT turn
IP address and port numbers and video content information after changing, with already-existing session by the transformed User IPs of NAT
Location and port numbers and video content information are compared, if the User IP of the former IP address and port numbers and the latter
Address and port numbers correspond to same user, and the former video content information is consistent with the video content information of the latter,
Then successful match；
Wherein, playing request processing module NAT forwarding tables also synchronous with NAT device or agreement NAT forwarding rules.
9. control device as claimed in claim 6, it is characterised in that：
User information and video content information of the playing request processing module in the playing request match existing meeting
Words, including：
As carried application layer access identities in playing request, then the playing request processing module is by the application in the playing request
Layer access identities and video content information, compared with the application layer access identities and video content information of already-existing session, such as
The former application layer access identities of fruit are consistent with the application layer access identities of the latter, and the former video content information and the latter
Video content information is consistent, then successful match.
10. control device as claimed in claim 6, it is characterised in that：
This is created connection and existing session association by the session association module, including：
The corresponding connection of session is updated to the newly-built connection by session association module；
The reset request processing module that plays judges whether the session of RST request instruction releases has been associated with other connections,
Including：
Play reset request processing module and judge whether the current corresponding connection of session of RST request instruction releases is the RST
The connection identified in request, if so, then judge that the session of RST request instruction releases is not associated with other connections, if not,
Judge that the session of RST request instruction releases has been associated with other connections.
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