CN109450603A - A kind of sending method and system regarding networking data - Google Patents
A kind of sending method and system regarding networking data Download PDFInfo
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- CN109450603A CN109450603A CN201811437503.XA CN201811437503A CN109450603A CN 109450603 A CN109450603 A CN 109450603A CN 201811437503 A CN201811437503 A CN 201811437503A CN 109450603 A CN109450603 A CN 109450603A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1809—Selective-repeat protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
Abstract
This application provides a kind of sending methods and system for regarding networking data.Pass through the application, when depending on networking transmitting terminal to view networking receiving end send depending on networking data lose and cause view network receiving end can not receive part regard networking data when, which data can be notified to be not received by depending on networking transmitting terminal depending on networking receiving end, so as to which depending on networking transmitting terminal the view networking data not received depending on networking receiving end can be sent to depending on networking receiving end again, until receiving all view networking datas depending on networking receiving end, so, compared with the prior art, the application, which can enable, receives all view networking datas that view networking transmitting terminal is sent depending on networking receiving end.
Description
Technical field
This application involves view networking technology fields, more particularly to a kind of sending method and system for regarding networking data.
Background technique
With the development of technology with the enhancing of mobile device functionality, video communication is increasingly becoming the common of the daily communication of people
Means.Video communication technology is a kind of technology that video communication is carried out by network, and two people or more people is allowed to carry out using network
Video exchange, main application scenarios include more people's video conferences, visual telephone, tele-medicine and online education etc..However, if
Phenomena such as occurring data-bag lost in video transmitting procedure, will cause video image Caton causes user experience lower.
Summary of the invention
To solve the above-mentioned problems, present application illustrates a kind of sending methods and system for regarding networking data.
In a first aspect, present application illustrates a kind of sending methods for regarding networking data, which comprises
It is stored in multiple in chained list to be sent depending on networking data depending on networking transmitting terminal；
The view networking transmitting terminal extracts a view networking data from the chained list to be sent, by the view networking number of extraction
According to multiple view networking data packets are split as, the packet number of each view networking data packet is determined, each is regarded into networking data packet
The middle respective packet number of addition, the multiple be respectively stored in depending on networking data packet is sent in chained list；
It is described depending on networking transmitting terminal to view networking receiving end send respectively each depending on networking data packet and transmission include
There is the number set of the multiple view respective packet number of networking data packet；
It is described that the view networking data packet and number set that the view networking transmitting terminal is sent are received depending on networking receiving end,
The packet number of the first view networking data packet received within a preset period of time is obtained, the multiple depending on networking data packet includes institute
State the first view networking data packet；
It is described to be depending on the packet number of networking data packet and number set determination according to described first depending on networking receiving end
It is no there are the second view networking data packet, described second regard networking data packet as in the multiple view networking data packet except described first
Depending on the view networking data packet other than networking data packet；
It is described then to determine the second view networking data depending on networking receiving end if there is the second view networking data packet
Then the packet number of packet is stored in described second in packet loss vector table depending on the packet number of networking data packet, network to the view
Transmitting terminal sends the first response message, and first response message carries the packet number of the second view networking data packet, described
First response message is used to indicate the second view connection corresponding to the packet number for not receiving the second view networking data packet
Network data packet；
View networking transmitting terminal receives first response message, obtain that first response message carries described the
The packet number of two view networking data packets obtains the second view networking data according to the packet number of the second view networking data packet
Packet retransmits the second view networking data packet to view networking receiving end；
View networking receiving end receives the second view networking data packet.
In an optional implementation, the method also includes:
The view networks receiving end to view networking transmitting terminal the second response message of transmission, and first response message is taken
Packet number with the second view networking data packet, first response message, which is used to indicate, has received the second view networking
The second view networking data packet corresponding to the packet number of data packet；
The view networking transmitting terminal receives second response message, determines that the view joins according to second response message
Net receiving end has received the second view networking data packet corresponding to the packet number of the second view networking data packet.
It is described that view networking receiving end has been determined according to second response message in an optional implementation
Receive it is described second view networking data packet packet number corresponding to it is described second view networking data packet after, further includes:
It is described that the multiple view networking data packet is deleted from the transmission chained list depending on networking transmitting terminal.
It is described that view networking receiving end has been determined according to second response message in an optional implementation
Receive it is described second view networking data packet packet number corresponding to it is described second view networking data packet after, further includes:
It is described that the view networking data extracted is deleted from the chained list to be sent depending on networking transmitting terminal.
In an optional implementation, after view networking receiving end receives the second view networking data packet,
Further include:
The packet number for deleting the second view networking data packet from the packet loss vector table depending on networking receiving end.
In an optional implementation, the method also includes:
If there is no the second view networking data packet, view networking receiving end is then to view networking transmitting terminal hair
Third response message is sent, the third response message is used to indicate the whole for having received the multiple view networking data packet；
The view networking transmitting terminal receives the third response message, and determination is according to third response message determination
The whole that the multiple view networking data packet is had received depending on networking receiving end, deletes the multiple view from the transmission chained list
Networking data packet deletes the view networking data extracted from the chained list to be sent.
Second aspect, present application illustrates it is a kind of regard networking data transmission system, the system comprises:
It is used to be stored in multiple in chained list to be sent depending on networking data depending on networking transmitting terminal；
It is described to be also used to extract a view networking data from the chained list to be sent depending on networking transmitting terminal, by the view of extraction
Networking data is split as multiple view networking data packets, determines the packet number of each view networking data packet, each view is networked
Respective packet number is added in data packet, and the multiple be respectively stored in depending on networking data packet is sent in chained list；
It is described to be also used to send each view networking data packet and hair respectively to depending on networking receiving end depending on networking transmitting terminal
Sending includes the multiple number set for regarding the respective packet number of networking data packet；
It is described to be used to receive the view networking data packet and the number that the view networking transmitting terminal is sent depending on networking receiving end
Set obtains the packet number of the first view networking data packet received within a preset period of time, the multiple view networking data packet
Including the first view networking data packet；
The packet number and number set being also used to depending on networking receiving end according to the first view networking data packet
The second view networking data packet is determined whether there is, described second regards networking data packet to remove institute in the multiple view networking data packet
State the view networking data packet other than the first view networking data packet；
It is described to be also used to determine the second view networking depending on networking receiving end if there is the second view networking data packet
Then the packet number of data packet is stored in packet loss vector table, to the view depending on the packet number of networking data packet by described second
Transmitting terminal of networking sends the first response message, and first response message carries the packet number of the second view networking data packet,
First response message is used to indicate described second corresponding to the packet number for not receiving the second view networking data packet
Depending on networking data packet；
It is described to be also used to receive first response message depending on networking transmitting terminal, obtain what first response message carried
The packet number of the second view networking data packet obtains second view according to the packet number of the second view networking data packet and joins
Network data packet retransmits the second view networking data packet to view networking receiving end；
It is described to be also used to receive the second view networking data packet depending on networking receiving end.
It is described to be also used to transmitting terminal transmission the of networking to the view depending on networking receiving end in an optional implementation
Two response messages, first response message carry the packet number of the second view networking data packet, first response message
It is used to indicate and has received the second view networking data packet corresponding to the packet number of the second view networking data packet；
It is described to be also used to receive second response message depending on networking transmitting terminal, institute is determined according to second response message
It states and has received the second view networking data corresponding to the packet number of the second view networking data packet depending on networking receiving end
Packet.
It is described to be also used to from the transmission chained list described in deletion depending on networking transmitting terminal in an optional implementation
Multiple view networking data packets.
It is described to be also used to delete from the chained list to be sent and mention depending on networking transmitting terminal in an optional implementation
The view networking data of taking-up.
It is described to be also used to delete institute from the packet loss vector table depending on networking receiving end in an optional implementation
State the packet number of the second view networking data packet.
In an optional implementation, if there is no the second view networking data packet, the view networking is received
End is also used to transmitting terminal transmission third response message of networking to the view, and the third response message, which is used to indicate, has received institute
State the whole of multiple view networking data packets；
Described to be also used to the third response message depending on networking transmitting terminal reception, determination is true according to the third response message
The fixed whole that the multiple view networking data packet is had received depending on networking receiving end, from the transmission chained list described in deletion
Multiple view networking data packets, delete the view networking data extracted from the chained list to be sent.
The application includes following advantages:
By the application, lead to view connection when losing depending on networking data of sending depending on networking transmitting terminal to view networking receiving end
When net receiving end can not receive part view networking data, which data can be notified to depending on networking transmitting terminal depending on networking receiving end
It is not received by, so as to which depending on networking transmitting terminal the view not received depending on networking receiving end can be sent to depending on networking receiving end again
Networking data, until receiving all view networking datas depending on networking receiving end, in this way, compared with the prior art, the application
It can enable and receive all view networking datas that view networking transmitting terminal is sent depending on networking receiving end.
Detailed description of the invention
Fig. 1 is a kind of networking schematic diagram of view networking of the application；
Fig. 2 is a kind of hardware structural diagram of node server of the application；
Fig. 3 is a kind of hardware structural diagram of access switch of the application；
Fig. 4 is that a kind of Ethernet association of the application turns the hardware structural diagram of gateway；
Fig. 5 is a kind of structural block diagram of the transmission system of view networking data of the application；
Fig. 6 is a kind of step flow chart of the sending method of view networking data of the application.
Specific embodiment
In order to make the above objects, features, and advantages of the present application more apparent, with reference to the accompanying drawing and it is specific real
Applying mode, the present application will be further described in 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.
To make those skilled in the art more fully understand the application, it is introduced below to depending on networking:
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
Video flow.(Circuit is exchanged different from simple network packet packet switch (Packet Switching) or lattice network
Switching), Streaming demand is met using Packet Switching depending on networking technology.Has grouping depending on networking technology
Flexible, the simple and low price of exchange, is provided simultaneously with the quality and safety assurance of circuit switching, it is virtually electric to realize the whole network switch type
The seamless connection of road 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, and node server and metropolitan area clothes
The network controlled under business device 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 the application's can be mainly divided into 3 classes: server depending on the equipment in networking, interchanger (including Ethernet net
Close), terminal (including various set-top boxes, encoding board, memory etc.).Depending on networking can be divided on the whole Metropolitan Area Network (MAN) (or country
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 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, are divided to two kinds of situations in this application:
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 destination 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, if there is Bao Ze is according to the view of packet networking purpose
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 this application: 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.
Based on the above-mentioned characteristic of view networking, one of core idea of the application is proposed, it then follows the agreement for regarding networking passes through
The application, when depending on networking transmitting terminal to view networking receiving end send depending on networking data lose and cause depending on network receiving end can not
When receiving part view networking data, which data can be notified to be not received by depending on networking transmitting terminal depending on networking receiving end,
So as to which the view networking data not received depending on networking receiving end can be sent to depending on networking receiving end again depending on networking transmitting terminal, directly
Until receiving all view networking datas depending on networking receiving end, in this way, compared with the prior art, the application can make view join
Net receiving end can receive all view networking datas that view networking transmitting terminal is sent.
Referring to Fig. 5, a kind of structural block diagram of the transmission system of view networking data of the application is shown, which includes view
Networking transmitting terminal 01 and view networking receiving end 02 depending on networking transmitting terminal 01 and regard between networking receiving end 02 based on view networking protocol
Communication connection.
Referring to Fig. 6, a kind of step flow chart of the sending method of view networking data of the application is shown, this method can be with
Applied in system shown in fig. 5, this method can specifically include following steps:
In step s101, it is stored in multiple in chained list to be sent depending on networking data depending on networking transmitting terminal；
In step s 102, a view networking data is extracted from chained list to be sent depending on networking transmitting terminal, by the view of extraction
Networking data is split as multiple view networking data packets, determines the packet number of each view networking data packet, each view is networked
Respective packet number is added in data packet, and multiple be respectively stored in depending on networking data packet is sent in chained list；
In step s 103, depending on networking transmitting terminal to view networking receiving end send respectively each regard networking data packet and
Transmission includes the number set of multiple view respective packet numbers of networking data packet；
In step S104, the view networking data packet and number collection that view networking transmitting terminal is sent are received depending on networking receiving end
It closes, obtains the packet number of the first view networking data packet received within a preset period of time, multiple view networking data packets include the
One view networking data packet；
The duration of preset time period is preset duration, and the initial time of preset time period is to receive first view connection
At the time of network data packet.
In step s105, it is depending on the packet number of networking data packet and number set determination according to first depending on networking receiving end
It is no there are second view networking data packet, second regard networking data packet be in multiple view networking data packets except first regard networking data packet
View networking data packet in addition；
In step s 106, if there is the second view networking data packet, the second view networking number is then determined depending on networking receiving end
According to the packet number of packet, then second is stored in packet loss vector table depending on the packet number of networking data packet, is networked transmitting terminal to view
The first response message is sent, the first response message carries the packet number of the second view networking data packet, and the first response message is for referring to
Show and does not receive the second view networking data packet corresponding to the packet number of the second view networking data packet；
In step s 107, the first response message is received depending on networking transmitting terminal, obtains the first response message carries second
Depending on the packet number of networking data packet, the second view networking data packet is obtained according to the packet number of the second view networking data packet, is joined to view
It nets receiving end and retransmits the second view networking data packet；
In step S108, the second view networking data packet is received depending on networking receiving end.
By the application, lead to view connection when losing depending on networking data of sending depending on networking transmitting terminal to view networking receiving end
When net receiving end can not receive part view networking data, which data can be notified to depending on networking transmitting terminal depending on networking receiving end
It is not received by, so as to which depending on networking transmitting terminal the view not received depending on networking receiving end can be sent to depending on networking receiving end again
Networking data, until receiving all view networking datas depending on networking receiving end, in this way, compared with the prior art, the application
It can enable and receive all view networking datas that view networking transmitting terminal is sent depending on networking receiving end.
Further, the second view networking number is had received depending on networking receiving end in order to enable can know depending on networking transmitting terminal
Second view networking data packet corresponding to packet number according to packet, in another embodiment of the application, view networks receiving end can be to
The second response message is sent depending on networking transmitting terminal, the first response message carries the packet number of the second view networking data packet, the first sound
Information is answered to be used to indicate the second view networking data packet corresponding to the packet number for having received the second view networking data packet；Depending on networking
Transmitting terminal receives the second response message, is determined according to the second response message and has received the second view networking data depending on networking receiving end
Second view networking data packet corresponding to the packet number of packet.
Further, in order to save the memory space of view networking transmitting terminal and in order to avoid view networking transmitting terminal is repeated to view
The multiple view networking data packets of receiving end transmission of networking network transmitting terminal according to the second sound in view in another embodiment of the application
It answers information to determine and has received the second view networking data corresponding to the packet number of the second view networking data packet depending on networking receiving end
After packet, multiple view networking data packets can be deleted from sending in chained list depending on networking transmitting terminal.
Further, in order to save the memory space of view networking transmitting terminal and in order to avoid view networking transmitting terminal is repeated to view
Networking receiving end sends the view networking data extracted, in another embodiment of the application, in view networking transmitting terminal according to second
Response message, which is determined, has received the second view networking number corresponding to the packet number of the second view networking data packet depending on networking receiving end
After packet, the view networking data extracted can be deleted from chained list to be sent depending on networking transmitting terminal.
Further, in order to avoid view networking receiving end repeats to send the first response message to view networking transmitting terminal, and
In order to avoid view networking transmitting terminal repeats to send the second view networking data packet to view networking receiving end, network money is saved to reach
The purpose in source after receiving the second view networking data packet depending on networking receiving end, receives in another embodiment of the application depending on networking
End can delete the packet number of the second view networking data packet from packet loss vector table.
Further, multiple view networking numbers are had received depending on networking receiving end in order to enable can know depending on networking transmitting terminal
According to the whole of packet, in another embodiment of the application, if there is no the second view networking data packet, depending on networking receiving end then to view
Transmitting terminal of networking sends third response message, and third response message, which is used to indicate, has received the complete of multiple view networking data packets
Portion；Third response message is received depending on networking transmitting terminal, determines and is had received according to third response message is determining depending on networking receiving end
The whole of multiple view networking data packets, deletes multiple view networking data packets from sending in chained list, deletes and mention from chained list to be sent
The view networking data of taking-up.
Then next view networking data can be extracted from chained list to be sent depending on networking transmitting terminal, continue according to above-mentioned stream
Journey handles next view networking data, and it is not described here in detail.
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, the embodiment of the present application is not limited by the described action sequence, because according to
According to the embodiment of the present application, 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 related movement not necessarily the application is implemented
Necessary to example.
The application also shows a kind of structural block diagram of transmission system for regarding networking data, the system comprises: view networking
Transmitting terminal and view networking transmitting terminal.
It is used to be stored in multiple in chained list to be sent depending on networking data depending on networking transmitting terminal；
It is described to be also used to extract a view networking data from the chained list to be sent depending on networking transmitting terminal, by the view of extraction
Networking data is split as multiple view networking data packets, determines the packet number of each view networking data packet, each view is networked
Respective packet number is added in data packet, and the multiple be respectively stored in depending on networking data packet is sent in chained list；
It is described to be also used to send each view networking data packet and hair respectively to depending on networking receiving end depending on networking transmitting terminal
Sending includes the multiple number set for regarding the respective packet number of networking data packet；
It is described to be used to receive the view networking data packet and the number that the view networking transmitting terminal is sent depending on networking receiving end
Set obtains the packet number of the first view networking data packet received within a preset period of time, the multiple view networking data packet
Including the first view networking data packet；
The packet number and number set being also used to depending on networking receiving end according to the first view networking data packet
The second view networking data packet is determined whether there is, described second regards networking data packet to remove institute in the multiple view networking data packet
State the view networking data packet other than the first view networking data packet；
It is described to be also used to determine the second view networking depending on networking receiving end if there is the second view networking data packet
Then the packet number of data packet is stored in packet loss vector table, to the view depending on the packet number of networking data packet by described second
Transmitting terminal of networking sends the first response message, and first response message carries the packet number of the second view networking data packet,
First response message is used to indicate described second corresponding to the packet number for not receiving the second view networking data packet
Depending on networking data packet；
It is described to be also used to receive first response message depending on networking transmitting terminal, obtain what first response message carried
The packet number of the second view networking data packet obtains second view according to the packet number of the second view networking data packet and joins
Network data packet retransmits the second view networking data packet to view networking receiving end；
It is described to be also used to receive the second view networking data packet depending on networking receiving end.
It is described to be also used to transmitting terminal transmission the of networking to the view depending on networking receiving end in an optional implementation
Two response messages, first response message carry the packet number of the second view networking data packet, first response message
It is used to indicate and has received the second view networking data packet corresponding to the packet number of the second view networking data packet；
It is described to be also used to receive second response message depending on networking transmitting terminal, institute is determined according to second response message
It states and has received the second view networking data corresponding to the packet number of the second view networking data packet depending on networking receiving end
Packet.
It is described to be also used to from the transmission chained list described in deletion depending on networking transmitting terminal in an optional implementation
Multiple view networking data packets.
It is described to be also used to delete from the chained list to be sent and mention depending on networking transmitting terminal in an optional implementation
The view networking data of taking-up.
It is described to be also used to delete institute from the packet loss vector table depending on networking receiving end in an optional implementation
State the packet number of the second view networking data packet.
In an optional implementation, if there is no the second view networking data packet, the view networking is received
End is also used to transmitting terminal transmission third response message of networking to the view, and the third response message, which is used to indicate, has received institute
State the whole of multiple view networking data packets；
Described to be also used to the third response message depending on networking transmitting terminal reception, determination is true according to the third response message
The fixed whole that the multiple view networking data packet is had received depending on networking receiving end, from the transmission chained list described in deletion
Multiple view networking data packets, delete the view networking data extracted from the chained list to be sent.
By the application, lead to view connection when losing depending on networking data of sending depending on networking transmitting terminal to view networking receiving end
When net receiving end can not receive part view networking data, which data can be notified to depending on networking transmitting terminal depending on networking receiving end
It is not received by, so as to which depending on networking transmitting terminal the view not received depending on networking receiving end can be sent to depending on networking receiving end again
Networking data, until receiving all view networking datas depending on networking receiving end, in this way, compared with the prior art, the application
It can enable and receive all view networking datas that view networking transmitting terminal is sent depending on networking receiving end.
For system embodiments, 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.
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 embodiments of the present application may be provided as method, system or calculating
Machine program product.Therefore, the embodiment of the present application 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 application 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 application is referring to according to the method for the embodiment of the present application, 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 system 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 instruction system 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 preferred embodiments of the embodiments of the present application have 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 all change and modification within the scope of the embodiments of the present application.
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 the sending method and system of a kind of view networking data provided herein, it is described in detail, this
Specific case is applied in text, and the principle and implementation of this application are described, the explanation of above example is only intended to
Help understands the present processes and its core concept；At the same time, for those skilled in the art, the think of according to the application
Think, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as pair
The limitation of the application.
Claims (10)
1. a kind of sending method for regarding networking data, which is characterized in that the described method includes:
It is stored in multiple in chained list to be sent depending on networking data depending on networking transmitting terminal；
The view networking transmitting terminal extracts a view networking data from the chained list to be sent, by tearing open depending on networking data for extraction
It is divided into multiple view networking data packets, determines the packet number of each view networking data packet, each is regarded into networking data Bao Zhongtian
Add respective packet number, the multiple be respectively stored in depending on networking data packet is sent in chained list；
It is described to send each view networking data packet and transmission respectively comprising to depending on networking receiving end depending on networking transmitting terminal
State the number set of multiple view respective packet numbers of networking data packet；
It is described that the view networking data packet and number set that the view networking transmitting terminal is sent are received depending on networking receiving end, it obtains
The packet number of the first view networking data packet received within a preset period of time, the multiple depending on networking data packet includes described the
One view networking data packet；
It is described to determine whether to deposit depending on the packet number of networking data packet and number set according to described first depending on networking receiving end
Networking data packet is regarded second, described second regards networking data packet to remove the first view connection in the multiple view networking data packet
View networking data packet other than network data packet；
It is described then to determine the second view networking data packet depending on networking receiving end if there is the second view networking data packet
Then packet number is stored in described second in packet loss vector table depending on the packet number of networking data packet, network and send to the view
End send the first response message, first response message carry it is described second view networking data packet packet number, described first
Response message is used to indicate the second view networking number corresponding to the packet number for not receiving the second view networking data packet
According to packet；
The view networking transmitting terminal receives first response message, obtains second view that first response message carries
The packet number of networking data packet obtains the second view networking data packet according to the packet number of the second view networking data packet,
The second view networking data packet is retransmitted to view networking receiving end；
View networking receiving end receives the second view networking data packet.
2. the method according to claim 1, wherein the method also includes:
The view networks receiving end to view networking transmitting terminal the second response message of transmission, and first response message carries institute
The packet number of the second view networking data packet is stated, first response message, which is used to indicate, has received the second view networking data
The second view networking data packet corresponding to the packet number of packet；
View networking transmitting terminal receives second response message, determines that the view is networked according to second response message and connects
Receiving end has received the second view networking data packet corresponding to the packet number of the second view networking data packet.
3. the method according to claim 1, wherein described determine that the view joins according to second response message
After net receiving end has received the second view networking data packet corresponding to the packet number of the second view networking data packet,
Further include:
It is described that the multiple view networking data packet is deleted from the transmission chained list depending on networking transmitting terminal.
4. the method according to claim 1, wherein described determine that the view joins according to second response message
After net receiving end has received the second view networking data packet corresponding to the packet number of the second view networking data packet,
Further include:
It is described that the view networking data extracted is deleted from the chained list to be sent depending on networking transmitting terminal.
5. the method according to claim 1, wherein view networking receiving end receives the second view networking number
After packet, further includes:
The packet number for deleting the second view networking data packet from the packet loss vector table depending on networking receiving end.
6. the method according to claim 1, wherein the method also includes:
If there is no the second view networking data packet, view networking receiving end is then networked transmitting terminal transmission the to the view
Three response messages, the third response message are used to indicate the whole for having received the multiple view networking data packet；
The view networking transmitting terminal receives the third response message, determines and determines that the view joins according to the third response message
Net receiving end has received the whole of the multiple view networking data packet, and the multiple view networking is deleted from the transmission chained list
Data packet deletes the view networking data extracted from the chained list to be sent.
7. a kind of transmission system for regarding networking data, which is characterized in that the system comprises:
It is used to be stored in multiple in chained list to be sent depending on networking data depending on networking transmitting terminal；
It is described to be also used to extract a view networking data from the chained list to be sent depending on networking transmitting terminal, the view of extraction is networked
Data are split as multiple view networking data packets, determine the packet number of each view networking data packet, each is regarded networking data
Respective packet number is added in packet, and the multiple be respectively stored in depending on networking data packet is sent in chained list；
It is described to be also used to send each view networking data packet and transmission packet respectively to depending on networking receiving end depending on networking transmitting terminal
Number set containing the multiple view respective packet number of networking data packet；
It is described to be used to receive the view networking data packet and number set that the view networking transmitting terminal is sent depending on networking receiving end,
The packet number of the first view networking data packet received within a preset period of time is obtained, the multiple depending on networking data packet includes institute
State the first view networking data packet；
It is described to be also used to be determined according to the packet number and number set of the first view networking data packet depending on networking receiving end
With the presence or absence of the second view networking data packet, described second regard networking data packet to remove described the in the multiple view networking data packet
View networking data packet other than one view networking data packet；
It is described to be also used to determine the second view networking data depending on networking receiving end if there is the second view networking data packet
Then the packet number of packet is stored in described second in packet loss vector table depending on the packet number of networking data packet, network to the view
Transmitting terminal sends the first response message, and first response message carries the packet number of the second view networking data packet, described
First response message is used to indicate the second view connection corresponding to the packet number for not receiving the second view networking data packet
Network data packet；
It is described to be also used to receive first response message depending on networking transmitting terminal, obtain the described of the first response message carrying
The packet number of second view networking data packet obtains the second view networking number according to the packet number of the second view networking data packet
According to packet, the second view networking data packet is retransmitted to view networking receiving end；
It is described to be also used to receive the second view networking data packet depending on networking receiving end.
8. system according to claim 7, which is characterized in that
It is described to be also used to transmitting terminal the second response message of transmission of networking to the view, first response message depending on networking receiving end
The packet number of the second view networking data packet is carried, first response message, which is used to indicate, has received the second view connection
The second view networking data packet corresponding to the packet number of network data packet；
It is described to be also used to receive second response message depending on networking transmitting terminal, the view is determined according to second response message
Networking receiving end has received the second view networking data packet corresponding to the packet number of the second view networking data packet.
9. system according to claim 7, which is characterized in that described to be also used to depending on networking transmitting terminal from the transmission chained list
It is middle to delete the multiple view networking data packet.
10. system according to claim 7, which is characterized in that described to be also used to depending on networking transmitting terminal from described to be sent
The view networking data extracted is deleted in chained list.
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| CN201811437503.XA CN109450603A (en) | 2018-11-28 | 2018-11-28 | A kind of sending method and system regarding networking data |
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| CN201811437503.XA CN109450603A (en) | 2018-11-28 | 2018-11-28 | A kind of sending method and system regarding networking data |
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