CN110022500A - A kind of loss treating method and device - Google Patents

A kind of loss treating method and device Download PDF

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Publication number
CN110022500A
CN110022500A CN201910263011.1A CN201910263011A CN110022500A CN 110022500 A CN110022500 A CN 110022500A CN 201910263011 A CN201910263011 A CN 201910263011A CN 110022500 A CN110022500 A CN 110022500A
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China
Prior art keywords
data packet
networked terminals
packet
depending
view networked
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Granted
Application number
CN201910263011.1A
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Chinese (zh)
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CN110022500B (en
Inventor
王治军
潘廷勇
韩杰
王艳辉
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Visionvera Information Technology Co Ltd
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Visionvera Information Technology Co Ltd
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Priority to CN201910263011.1A priority Critical patent/CN110022500B/en
Publication of CN110022500A publication Critical patent/CN110022500A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60Network 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 
    • H04N21/63Control 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
    • H04N21/647Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
    • H04N21/64784Data processing by the network
    • H04N21/64792Controlling the complexity of the content stream, e.g. by dropping packets
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845Structuring of content, e.g. decomposing content into time segments
    • H04N21/8456Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments

Abstract

The embodiment of the invention provides a kind of loss treating method and devices, it networks applied to view, the view networking includes view networked server and view networked terminals, which comprises view networked terminals receive multiple first data packets for the specific file that view networked server is sent;When it is described determine the first data packet packet loss depending on networked terminals when, the view networked terminals to the view networked server send acquisition request;Multiple second data packets that the specific file is received depending on networked terminals;The multiple second data packet is sent by the view networked server based on the acquisition request;The view networked terminals obtain the second data packet of target corresponding with the first data packet lost from the multiple second data packet;First data packet that will be received depending on networked terminals is combined with second data packet of target, obtains the specific file.Through the embodiment of the present invention, correctness and integrality of the big file in transmission process be ensure that.

Description

A kind of loss treating method and device
Technical field
The present invention relates to technical field of data transmission, more particularly to a kind of loss treating method and a kind of packet loss processing dress It sets.
Background technique
It is the more advanced form of internet depending on networking, is a real-time network, can be realized the whole network HD video and pass in real time It is defeated, push numerous Internet applications to HD video, high definition is face-to-face.It will finally realize that the world without distance, realizes global model The distance for enclosing interior person to person is the distance of a screen.
In practice, the demand depending on the function in networked terminals is continuously increased due to user, degree is beautified to interface It is more and more fastidious, cause application upgrade file and menu resource constantly to become larger.And these data are all not vitiable necessary File.In order to facilitate transmission, such independent big file can split into multiple network packets, and have Bale No. as mark Know.But in actual transmissions, big file is carried out transmission in the form of multiple network packets and is likely to result in data-bag lost, is damaged The integrality of bad data.
Summary of the invention
In view of the above problems, it proposes the embodiment of the present invention and overcomes the above problem or at least partly in order to provide one kind A kind of loss treating method to solve the above problems and a kind of corresponding packet loss processing unit.
To solve the above-mentioned problems, the embodiment of the invention discloses a kind of loss treating methods, are applied to view networking, described It include view networked server and view networked terminals depending on networking, which comprises
Multiple first data packets for the specific file that view networked server is sent are received depending on networked terminals;
When it is described determine the first data packet packet loss depending on networked terminals when, the view networked terminals are to the view networked server Send acquisition request;
Multiple second data packets that the specific file is received depending on networked terminals;The multiple second data packet is by institute View networked server is stated to send based on the acquisition request;
The view networked terminals obtain target corresponding with the first data packet lost from the multiple second data packet Second data packet;
First data packet that will be received depending on networked terminals is combined with second data packet of target, obtains institute State specific file.
Optionally, further includes:
When it is described determine the first data packet packet loss depending on networked terminals when, record the identification information of the first data packet of loss.
Optionally, further includes:
If the non-packet loss of the first data packet of the specific file, the view networked terminals save the specific file.
Optionally, the view networked terminals obtain the first data packet pair with loss from the multiple second data packet The second data packet of target answered, comprising:
The view networked terminals obtain the first data of identification information and the loss from the multiple second data packet Identical the second data packet of target of the identification information of packet.
Optionally, first data packet that will be received depending on networked terminals and second data packet of target carry out group It closes, obtains specific file, comprising:
It is described to believe first data packet received and second data packet of target according to mark depending on networked terminals Breath sequence;
The view networked terminals save the data packet after sequence.
The embodiment of the invention also discloses a kind of packet loss processing units, are applied to view networking, and the view networking includes view connection Network server and view networked terminals, described device include:
First packet-receiving module, for regard networked terminals receive view networked server send specific file it is multiple First data packet;
Acquisition request sending module, for when it is described determine the first data packet packet loss depending on networked terminals when, view networking Terminal sends acquisition request to the view networked server;
Second packet-receiving module, for multiple second data for receiving the specific file depending on networked terminals Packet;The multiple second data packet is sent by the view networked server based on the acquisition request;
The second data packet of target obtains module, for the view networked terminals from the multiple second data packet, obtains The second data packet of target corresponding with the first data packet of loss;
Specific file obtains module, for first data packet that will be received depending on networked terminals and the target second Data packet is combined, and obtains the specific file.
Optionally, further includes:
Identification information recording module, for when it is described determine the first data packet packet loss depending on networked terminals when, record loss The identification information of first data packet.
Optionally, further includes:
Preserving module, if the non-packet loss of the first data packet for the specific file, the view networked terminals save institute State specific file.
Optionally, second data packet of target obtains module, comprising:
Target the second data packet acquisition submodule is obtained for the view networked terminals from the multiple second data packet Take identification information the second data packet of target identical with the identification information of the first data packet of the loss.
Optionally, the specific file obtains module, comprising:
Depending on networked terminals by first data packet received and second data packet of target described in sorting sub-module It sorts according to identification information;
Submodule is saved, saves the data packet after sequence for the view networked terminals.
The embodiment of the invention also discloses a kind of devices, comprising:
One or more processors;With
One or more machine readable medias of instruction are stored thereon with, are executed when by one or more of processors When, so that described device executes one or more method as described above.
The embodiment of the invention also discloses one or more machine readable medias, are stored thereon with instruction, when by one or When multiple processors execute, so that the processor executes one or more method as described above.
The embodiment of the present invention includes following advantages: the embodiment of the present invention receives view networked server hair by view networked terminals Multiple first data packets for the specific file sent;When determining the first data packet packet loss depending on networked terminals, depending on networked terminals to view Networked server sends acquisition request;Multiple second data packets of specific file are received depending on networked terminals;Depending on networked terminals from more In a second data packet, the second data packet of target corresponding with the first data packet lost is obtained;And receive first is counted It is combined according to packet with the second data packet of target, to obtain specific file.Through the embodiment of the present invention, it ensure that big file exists Correctness and integrality in transmission process.
Detailed description of the invention
Fig. 1 is a kind of networking schematic diagram of view networking of the invention;
Fig. 2 is a kind of hardware structural diagram of node server of the invention;
Fig. 3 is a kind of hardware structural diagram of access switch of the invention;
Fig. 4 is the hardware structural diagram that a kind of Ethernet association of the invention turns gateway;
Fig. 5 is a kind of step flow chart of loss treating method embodiment of the embodiment of the present invention;
Fig. 6 is a kind of design scheme block diagram of loss treating method embodiment of the embodiment of the present invention;
Fig. 7 is a kind of structural schematic diagram of packet loss processing device embodiment of the embodiment of the present invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real Applying mode, the present invention is described in further detail.
It is the important milestone of network Development depending on networking, is a real-time network, can be realized HD video real-time Transmission, Push numerous Internet applications to HD video, high definition is face-to-face.
Real-time high-definition video switching technology is used depending on networking, it can be such as high in a network platform by required service Clear video conference, Intellectualized monitoring analysis, emergency command, digital broadcast television, delay TV, the Web-based instruction, shows video monitoring Field live streaming, VOD program request, TV Mail, individual character records (PVR), Intranet (manages) channel by oneself, intelligent video Broadcast Control, information publication All be incorporated into a system platform etc. services such as tens of kinds of videos, voice, picture, text, communication, data, by TV or Computer realizes that high-definition quality video plays.
Embodiment in order to enable those skilled in the art to better understand the present invention is introduced to depending on networking below:
Depending on networking, applied portion of techniques is as described below:
Network technology (Network Technology)
Traditional ethernet (Ethernet) is improved depending on the network technology innovation networked, with potential huge on network First video flow.It is exchanged different from simple network packet packet switch (Packet Switching) or lattice network (Circuit Switching) meets Streaming demand using Packet Switching depending on networking technology.Depending on skill of networking Art has flexible, the simple and low price of packet switch, is provided simultaneously with the quality and safety assurance of circuit switching, realizes the whole network friendship Change the seamless connection of formula virtual circuit and data format.
Switching technology (Switching Technology)
Two advantages of asynchronous and packet switch that Ethernet is used depending on networking eliminate Ethernet under the premise of complete compatible and lack It falls into, has the end-to-end seamless connection of the whole network, direct user terminal, directly carrying IP data packet.User data is in network-wide basis It is not required to any format conversion.It is the more advanced form of Ethernet depending on networking, is a real-time exchange platform, can be realized at present mutually The whole network large-scale high-definition realtime video transmission that networking cannot achieve pushes numerous network video applications to high Qinghua, unitizes.
Server technology (Server Technology)
It is different from traditional server, its Streaming Media depending on the server technology in networking and unified video platform Transmission be built upon it is connection-oriented on the basis of, data-handling capacity is unrelated with flow, communication time, single network layer energy Enough transmitted comprising signaling and data.For voice and video business, handled depending on networking and unified video platform Streaming Media Complexity many simpler than data processing, efficiency substantially increase hundred times or more than traditional server.
Reservoir technology (Storage Technology)
The ultrahigh speed reservoir technology of unified video platform in order to adapt to the media content of vast capacity and super-flow and Using state-of-the-art real time operating system, the programme information in server instruction is mapped to specific hard drive space, media Content is no longer pass through server, and moment is directly delivered to user terminal, and user waits typical time less than 0.2 second.It optimizes Sector distribution greatly reduces the mechanical movement of hard disc magnetic head tracking, and resource consumption only accounts for the 20% of the internet ad eundem IP, but The concurrent flow greater than 3 times of traditional disk array is generated, overall efficiency promotes 10 times or more.
Network security technology (Network Security Technology)
Depending on the structural design networked by servicing independent licence system, equipment and the modes such as user data is completely isolated every time The network security problem that puzzlement internet has thoroughly been eradicated from structure, does not need antivirus applet, firewall generally, has prevented black The attack of visitor and virus, structural carefree secure network is provided for user.
It services innovative technology (Service Innovation Technology)
Business and transmission are fused together by unified video platform, whether single user, private user or a net The sum total of network is all only primary automatic connection.User terminal, set-top box or PC are attached directly to unified video platform, obtain rich The multimedia video service of rich colorful various forms.Unified video platform is traditional to substitute with table schema using " menu type " Complicated applications programming, considerably less code, which can be used, can be realized complicated application, realize the new business innovation of " endless ".
Networking depending on networking is as described below:
It is a kind of central controlled network structure depending on networking, which can be Tree Network, Star network, ring network etc. class Type, but centralized control node is needed to control whole network in network on this basis.
As shown in Figure 1, being divided into access net and Metropolitan Area Network (MAN) two parts depending on networking.
The equipment of access mesh portions can be mainly divided into 3 classes: node server, access switch, terminal (including various machines Top box, encoding board, memory etc.).Node server is connected with access switch, and access switch can be with multiple terminal phases Even, and it can connect Ethernet.
Wherein, node server is the node that centralized control functions are played in access net, can control access switch and terminal. Node server can directly be connected with access switch, can also directly be connected with terminal.
Similar, the equipment of metropolitan area mesh portions can also be divided into 3 classes: metropolitan area server, node switch, node serve Device.Metropolitan area server is connected with node switch, and node switch can be connected with multiple node servers.
Wherein, node server is the node server for accessing mesh portions, i.e. node server had both belonged to access wet end Point, and belong to metropolitan area mesh portions.
Metropolitan area server is the node that centralized control functions are played in Metropolitan Area Network (MAN), can control node switch and node serve Device.Metropolitan area server can be directly connected to node switch, can also be directly connected to node server.
It can be seen that be entirely a kind of central controlled network structure of layering depending on networking network, and node server and metropolitan area The network controlled under server can be the various structures such as tree-shaped, star-like, cyclic annular.
Visually claim, access mesh portions can form unified video platform (part in virtual coil), and multiple unified videos are flat Platform can form view networking;Each unified video platform can be interconnected by metropolitan area and wide area depending on networking.
Classify depending on networked devices
1.1 embodiment of the present invention can be mainly divided into 3 classes: server depending on the equipment in networking, interchanger (including ether Net association turns gateway), terminal (including various set-top boxes, encoding board, memory etc.).Metropolitan Area Network (MAN) can be divided on the whole depending on networking (or national net, World Wide Web etc.) and access net.
1.2 equipment for wherein accessing mesh portions can be mainly divided into 3 classes: node server, access switch (including ether Net association turns gateway), terminal (including various set-top boxes, encoding board, memory etc.).
The specific hardware structure of each access network equipment are as follows:
Node server:
As shown in Fig. 2, mainly including Network Interface Module 201, switching engine module 202, CPU module 203, disk array Module 204;
Wherein, Network Interface Module 201, the Bao Jun that CPU module 203, disk array module 204 are come in enter switching engine Module 202;Switching engine module 202 look into the operation of address table 205 to the packet come in, to obtain the navigation information of packet; And the packet is stored according to the navigation information of packet the queue of corresponding pack buffer 206;If the queue of pack buffer 206 is close It is full, then it abandons;All pack buffer queues of 202 poll of switching engine mould, are forwarded: 1) port if meeting the following conditions It is less than to send caching;2) the queue package counting facility is greater than zero.Disk array module 204 mainly realizes the control to hard disk, including The operation such as initialization, read-write to hard disk;CPU module 203 is mainly responsible between access switch, terminal (not shown) Protocol processes, to address table 205 (including descending protocol packet address table, uplink protocol package address table, data packet addressed table) Configuration, and, the configuration to disk array module 204.
Access switch:
As shown in figure 3, mainly including Network Interface Module (downstream network interface module 301, uplink network interface module 302), switching engine module 303 and CPU module 304;
Wherein, the packet (upstream data) that downstream network interface module 301 is come in enters packet detection module 305;Packet detection mould Whether mesh way address (DA), source address (SA), type of data packet and the packet length of the detection packet of block 305 meet the requirements, if met, It then distributes corresponding flow identifier (stream-id), and enters switching engine module 303, otherwise abandon;Uplink network interface mould The packet (downlink data) that block 302 is come in enters switching engine module 303;The data packet that CPU module 204 is come in enters switching engine Module 303;Switching engine module 303 look into the operation of address table 306 to the packet come in, to obtain the navigation information of packet; If the packet into switching engine module 303 is that downstream network interface is gone toward uplink network interface, in conjunction with flow identifier (stream-id) packet is stored in the queue of corresponding pack buffer 307;If the queue of the pack buffer 307 is close full, It abandons;If the packet into switching engine module 303 is not that downstream network interface is gone toward uplink network interface, according to packet Navigation information is stored in the data packet queue of corresponding pack buffer 307;If the queue of the pack buffer 307 is close full, Then abandon.
All pack buffer queues of 303 poll of switching engine module, may include two kinds of situations:
If the queue is that downstream network interface is gone toward uplink network interface, meets the following conditions and be forwarded: 1) It is less than that the port sends caching;2) the queue package counting facility is greater than zero;3) token that rate control module generates is obtained;
If the queue is not that downstream network interface is gone toward uplink network interface, meets the following conditions and is forwarded: 1) it is less than to send caching for the port;2) the queue package counting facility is greater than zero.
Rate control module 208 is configured by CPU module 204, to all downlink networks in programmable interval Interface generates token toward the pack buffer queue that uplink network interface is gone, to control the code rate of forwarded upstream.
CPU module 304 is mainly responsible for the protocol processes between node server, the configuration to address table 306, and, Configuration to rate control module 308.
Ethernet association turns gateway:
As shown in figure 4, mainly including Network Interface Module (downstream network interface module 401, uplink network interface module 402), switching engine module 403, CPU module 404, packet detection module 405, rate control module 408, address table 406, Bao Huan Storage 407 and MAC adding module 409, MAC removing module 410.
Wherein, the data packet that downstream network interface module 401 is come in enters packet detection module 405;Packet detection module 405 is examined Ethernet mac DA, ethernet mac SA, Ethernet length or frame type, the view networking mesh way address of measured data packet DA, whether meet the requirements depending on networking source address SA, depending on networking data Packet type and packet length, corresponding stream is distributed if meeting Identifier (stream-id);Then, MAC DA, MAC SA, length or frame type are subtracted by MAC removing module 410 (2byte), and enter corresponding receive and cache, otherwise abandon;
Downstream network interface module 401 detects the transmission caching of the port, according to the view of packet networking mesh if there is Bao Ze Address D A knows the ethernet mac DA of corresponding terminal, adds the ethernet mac DA of terminal, Ethernet assists the MAC for turning gateway SA, Ethernet length or frame type, and send.
The function that Ethernet association turns other modules in gateway is similar with access switch.
Terminal:
It mainly include Network Interface Module, Service Processing Module and CPU module;For example, set-top box mainly connects including network Mouth mold block, video/audio encoding and decoding engine modules, CPU module;Encoding board mainly includes Network Interface Module, video encoding engine Module, CPU module;Memory mainly includes Network Interface Module, CPU module and disk array module.
The equipment of 1.3 metropolitan area mesh portions can be mainly divided into 2 classes: node server, node switch, metropolitan area server. Wherein, node switch mainly includes Network Interface Module, switching engine module and CPU module;Metropolitan area server mainly includes Network Interface Module, switching engine module and CPU module are constituted.
2, networking data package definition is regarded
2.1 access network data package definitions
Access net data packet mainly include following sections: destination address (DA), source address (SA), reserve bytes, payload(PDU)、CRC。
As shown in the table, the data packet for accessing net mainly includes following sections:
DA SA Reserved Payload CRC
Wherein:
Destination address (DA) is made of 8 bytes (byte), and first character section indicates type (such as the various associations of data packet Discuss packet, multicast packet, unicast packet etc.), be up to 256 kinds of possibility, the second byte to the 6th byte is metropolitan area net address, Seven, the 8th bytes are access net address;
Source address (SA) is also to be made of 8 bytes (byte), is defined identical as destination address (DA);
Reserve bytes are made of 2 bytes;
The part payload has different length according to the type of different datagrams, is if it is various protocol packages 64 bytes are 32+1024=1056 bytes if it is single group unicast packets words, are not restricted to above 2 kinds certainly;
CRC is made of 4 bytes, and calculation method follows the Ethernet CRC algorithm of standard.
2.2 Metropolitan Area Network (MAN) packet definitions
The topology of Metropolitan Area Network (MAN) is pattern, may there is 2 kinds, connection even of more than two kinds, i.e. node switching between two equipment It can all can exceed that 2 kinds between machine and node server, node switch and node switch, node switch and node server Connection.But the metropolitan area net address of metropolitan area network equipment is uniquely, to close to accurately describe the connection between metropolitan area network equipment System, introduces parameter in embodiments of the present invention: label, uniquely to describe a metropolitan area network equipment.
(Multi-Protocol Label Switch, multiprotocol label are handed over by the definition of label and MPLS in this specification Change) label definition it is similar, it is assumed that between equipment A and equipment B there are two connection, then data packet from equipment A to equipment B just There are 2 labels, data packet also there are 2 labels from equipment B to equipment A.Label is divided into label, outgoing label, it is assumed that data packet enters The label (entering label) of equipment A is 0x0000, and the label (outgoing label) when this data packet leaves equipment A may reform into 0x0001.The networking process of Metropolitan Area Network (MAN) is to enter network process under centralized control, also means that address distribution, the label of Metropolitan Area Network (MAN) Distribution be all to be dominated by metropolitan area server, node switch, node server be all passively execute, this point with The label distribution of MPLS is different, and the distribution of the label of MPLS is the result that interchanger, server are negotiated mutually.
As shown in the table, the data packet of Metropolitan Area Network (MAN) mainly includes following sections:
DA SA Reserved Label Payload CRC
That is destination address (DA), source address (SA), reserve bytes (Reserved), label, payload (PDU), CRC.Its In, the format of label, which can refer to, such as gives a definition: label is 32bit, wherein high 16bit retains, only with low 16bit, its position Set is between the reserve bytes and payload of data packet.
Referring to Fig. 5, a kind of step flow chart of loss treating method embodiment of the invention is shown, can specifically include Following steps:
Step 501, multiple first data packets for the specific file that view networked server is sent are received depending on networked terminals;
In practical applications, big file can be cut into multiple data packets and be transmitted, each be surrounded by packet when being transmitted Number as mark, multiple data packets are integrated finally by Bale No., realize the complete transmission of big file.
In embodiments of the present invention, view can be sent to for specific file cutting as multiple first data packets by regarding networked server Networked terminals.
Step 502, when it is described determine the first data packet packet loss depending on networked terminals when, the view networked terminals join to the view Network server sends acquisition request;
It in the concrete realization, can be again depending on networked terminals when the first data packet received depending on networked terminals generates packet loss It is secondary that the acquisition request for obtaining specific file is sent to view networked server, to obtain above-mentioned specific file again.
In embodiments of the present invention, when it is described determine the first data packet packet loss depending on networked terminals when, record the first of loss The mark of data packet.
In the concrete realization, when determining in multiple first data packets received there is data-bag lost depending on networked terminals, then It will record the identification information of the first data packet of lower loss, identification information can be the Bale No. of data packet.
In embodiments of the present invention, if the non-packet loss of the first data packet of the specific file, the view networked terminals are protected Deposit the specific file.
In the concrete realization, if determining that multiple first data packets received are not lost completely depending on networked terminals, depending on Networked terminals can directly save the specific file that multiple first data packets are constituted.
Step 503, multiple second data packets that the specific file is received depending on networked terminals;The multiple second number It is sent by the view networked server based on the acquisition request according to packet;
It, can be again to view networking clothes depending on networked terminals when the specific file received depending on networked terminals generates packet loss phenomenon The acquisition request for device transmission specific file of being engaged in.It regards networked server and is based on acquisition request for specific file cutting as multiple second numbers View networked terminals are sent to according to packet.Wherein, multiple second data packets are and multiple first data packets identical number correspondingly According to packet.
Step 504, the view networked terminals obtain the first data packet pair with loss from the multiple second data packet The second data packet of target answered;
In the concrete realization, it is complete specific file to what is requested depending on networked server depending on networked terminals, networks with view The specific file that terminal issues for the first time is identical.It therefore, can be in multiple second data packets in the specific file issued again In, obtain the second data packet of target corresponding with the first data packet lost.
In embodiments of the present invention, step 504 may comprise steps of, and the view networked terminals are from the multiple second In data packet, the second data packet of identification information target identical with the identification information of the first data packet of the loss is obtained.
In the concrete realization, the specific file issued due to the specific file that is issued again depending on networked server and for the first time It is identical, therefore, the identical data packet identification information having the same in the specific file issued twice.Determining the lost After the identification information of one data packet, the second data packet of target can be obtained in multiple second data packets according to identification information.
Step 505, first data packet that will be received depending on networked terminals and second data packet of target carry out group It closes, obtains the specific file.
Due to having saved the first data packet that do not lose depending on networked terminals, the mark of the first data packet of loss is also had recorded Know information, after supplying data packet according to the identification information of the first data packet of loss, all data packets are combined row Sequence obtains the complete specific file that view networked server is sent.
In embodiments of the present invention, step 505 may comprise steps of, described to receive depending on networked terminals by described First data packet sorts with second data packet of target according to identification information;The view networked terminals save the data after sequence Packet.
In the concrete realization, since each data packet has the identification information of oneself, can believe according to mark Breath is combined sequence to the first data packet and the second data packet that receive, obtains the complete spy issued depending on networked server Determine file.And it saves it in view networked terminals.
Referring to Fig. 6, a kind of design scheme block diagram of loss treating method embodiment of the embodiment of the present invention is shown.
When depending on networked terminals to view networked server request down distributing resource file, view networked server can be according to requesting to view Networked terminals send resource file.After receiving resource file depending on networked terminals, buffer queue will create, in resource file Each data packet is cached.If finding data-bag lost during received data packet depending on networked terminals, it will create and lose Packet queue records the Bale No. of lost data packets, and requests down distributing resource file to view networked server again.When receiving again After the resource file issued, the data packet of loss can be matched in the resource file issued again according to Bale No. depending on networked terminals, And packet loss queue is written in the data packet for the loss that will match to.When the data packet of loss has all been supplied, can be integrated depending on networked terminals Data packet in buffer queue and packet loss queue, is ranked up and is saved by Bale No..
It should be noted that for simple description, therefore, it is stated as a series of action groups for embodiment of the method It closes, but those skilled in the art should understand that, embodiment of that present invention are not limited by the describe sequence of actions, because according to According to the embodiment of the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art also should Know, the embodiments described in the specification are all preferred embodiments, and the related movement not necessarily present invention is implemented Necessary to example.
The embodiment of the present invention includes following advantages: the embodiment of the present invention receives view networked server hair by view networked terminals Multiple first data packets for the specific file sent;When determining the first data packet packet loss depending on networked terminals, depending on networked terminals to view Networked server sends acquisition request;Multiple second data packets of specific file are received depending on networked terminals;Depending on networked terminals from more In a second data packet, the second data packet of target corresponding with the first data packet lost is obtained;And receive first is counted It is combined according to packet with the second data packet of target, to obtain specific file.Through the embodiment of the present invention, it ensure that big file exists Correctness and integrality in transmission process.
Referring to Fig. 7, show a kind of structural block diagram of packet loss processing device embodiment of the invention, can specifically include as Lower module:
First packet-receiving module 701 receives the specific file that view networked server is sent for regarding networked terminals Multiple first data packets;
Acquisition request sending module 702, for when it is described determine the first data packet packet loss depending on networked terminals when, view connection Network termination sends acquisition request to the view networked server;
Second packet-receiving module 703, for multiple second numbers for receiving the specific file depending on networked terminals According to packet;The multiple second data packet is sent by the view networked server based on the acquisition request;
The second data packet of target obtains module 704, for the view networked terminals from the multiple second data packet, obtains Take the second data packet of target corresponding with the first data packet lost;
Specific file obtains module 705, for first data packet that will be received depending on networked terminals and the target Second data packet is combined, and obtains the specific file.
In embodiments of the present invention, further includes:
Identification information recording module, for when it is described determine the first data packet packet loss depending on networked terminals when, record loss The identification information of first data packet.
In embodiments of the present invention, further includes:
Preserving module, if the non-packet loss of the first data packet for the specific file, the view networked terminals save institute State specific file.
In embodiments of the present invention, second data packet of target obtains module, comprising:
Target the second data packet acquisition submodule is obtained for the view networked terminals from the multiple second data packet Take identification information the second data packet of target identical with the identification information of the first data packet of the loss.
In embodiments of the present invention, the specific file obtains module, comprising:
Depending on networked terminals by first data packet received and second data packet of target described in sorting sub-module It sorts according to identification information;
Submodule is saved, saves the data packet after sequence for the view networked terminals.
For device embodiment, since it is basically similar to the method embodiment, related so being described relatively simple Place illustrates referring to the part of embodiment of the method.
The embodiment of the invention also provides a kind of devices, comprising:
One or more processors;With
One or more machine readable medias of instruction are stored thereon with, are executed when by one or more of processors When, so that described device executes method described in the embodiment of the present invention.
The embodiment of the invention also provides one or more machine readable medias, are stored thereon with instruction, when by one or When multiple processors execute, so that the processor executes method described in the embodiment of the present invention.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can provide as method, apparatus or calculate Machine program product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can be used one or more wherein include computer can With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code The form of the computer program product of implementation.
The embodiment of the present invention be referring to according to the method for the embodiment of the present invention, terminal device (system) and computer program The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions In each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram The device of specified function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices In computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packet The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart And/or in one or more blocks of the block diagram specify function the step of.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
Above to a kind of loss treating method provided by the present invention and a kind of packet loss processing unit, detailed Jie has been carried out It continues, used herein a specific example illustrates the principle and implementation of the invention, and the explanation of above embodiments is only It is to be used to help understand method and its core concept of the invention;At the same time, for those skilled in the art, according to this hair Bright thought, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not manage Solution is limitation of the present invention.

Claims (12)

1. a kind of loss treating method, which is characterized in that be applied to view networking, the view networking includes view networked server and view Networked terminals, which comprises
Multiple first data packets for the specific file that view networked server is sent are received depending on networked terminals;
When it is described determine the first data packet packet loss depending on networked terminals when, the view networked terminals are sent to the view networked server Acquisition request;
Multiple second data packets that the specific file is received depending on networked terminals;The multiple second data packet is by the view Networked server is sent based on the acquisition request;
The view networked terminals obtain target second corresponding with the first data packet lost from the multiple second data packet Data packet;
First data packet that will be received depending on networked terminals is combined with second data packet of target, obtains the spy Determine file.
2. method according to claim 1, which is characterized in that further include:
When it is described determine the first data packet packet loss depending on networked terminals when, record the identification information of the first data packet of loss.
3. method according to claim 2, which is characterized in that further include:
If the non-packet loss of the first data packet of the specific file, the view networked terminals save the specific file.
4. method according to claim 1 or claim 2, which is characterized in that the view networked terminals are from the multiple second data packet In, obtain the second data packet of target corresponding with the first data packet lost, comprising:
The view networked terminals obtain the first data packet of identification information and the loss from the multiple second data packet Identical the second data packet of target of identification information.
5. method according to claim 1, which is characterized in that first data packet that will be received depending on networked terminals and institute It states the second data packet of target to be combined, obtains specific file, comprising:
It is described to arrange first data packet received according to identification information with second data packet of target depending on networked terminals Sequence;
The view networked terminals save the data packet after sequence.
6. a kind of packet loss processing unit, which is characterized in that be applied to view networking, the view networking includes view networked server and view Networked terminals, described device include:
First packet-receiving module, receive the specific file that view networked server is sent for regarding networked terminals multiple first Data packet;
Acquisition request sending module, for when it is described determine the first data packet packet loss depending on networked terminals when, the view networked terminals Acquisition request is sent to the view networked server;
Second packet-receiving module, for multiple second data packets for receiving the specific file depending on networked terminals;Institute It states multiple second data packets and is sent by the view networked server based on the acquisition request;
The second data packet of target obtains module, for the view networked terminals from the multiple second data packet, obtains and loses Corresponding the second data packet of target of the first data packet lost;
Specific file obtains module, for first data packet that will be received depending on networked terminals and second data of target Packet is combined, and obtains the specific file.
7. device according to claim 6, which is characterized in that further include:
Identification information recording module, for when it is described determine the first data packet packet loss depending on networked terminals when, record the first of loss The identification information of data packet.
8. device according to claim 7, which is characterized in that further include:
Preserving module, if the non-packet loss of the first data packet for the specific file, the view networked terminals save the spy Determine file.
9. according to claim 6 or 7 described device, which is characterized in that second data packet of target obtains module, comprising:
Target the second data packet acquisition submodule obtains mark for the view networked terminals from the multiple second data packet Know the second data packet of information target identical with the identification information of the first data packet of the loss.
10. device according to claim 6, which is characterized in that the specific file obtains module, comprising:
Described in sorting sub-module depending on networked terminals by first data packet received and second data packet of target according to Identification information sequence;
Submodule is saved, saves the data packet after sequence for the view networked terminals.
11. a kind of device characterized by comprising
One or more processors;With
One or more machine readable medias of instruction are stored thereon with, when being executed by one or more of processors, are made Obtain the method that described device executes one or more as claimed in claims 1-5.
12. one or more machine readable medias, are stored thereon with instruction, when executed by one or more processors, so that The method that the processor executes one or more as claimed in claims 1-5.
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