CN110430244A - Link establishment method, apparatus, filming apparatus and storage medium - Google Patents

Link establishment method, apparatus, filming apparatus and storage medium Download PDF

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Publication number
CN110430244A
CN110430244A CN201910642385.4A CN201910642385A CN110430244A CN 110430244 A CN110430244 A CN 110430244A CN 201910642385 A CN201910642385 A CN 201910642385A CN 110430244 A CN110430244 A CN 110430244A
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CN
China
Prior art keywords
link
success
transmission
successfully
creation
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Pending
Application number
CN201910642385.4A
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Chinese (zh)
Inventor
蒋洋
张靖磊
熊向辉
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Zhejiang Dahua Technology Co Ltd
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Zhejiang Dahua Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Priority to CN201910642385.4A priority Critical patent/CN110430244A/en
Publication of CN110430244A publication Critical patent/CN110430244A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network-specific arrangements or communication protocols supporting networked applications
    • H04L67/10Network-specific arrangements or communication protocols supporting networked applications in which an application is distributed across nodes in the network
    • H04L67/104Network-specific arrangements or communication protocols supporting networked applications in which an application is distributed across nodes in the network for peer-to-peer [P2P] networking; Functionalities or architectural details of P2P networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network-specific arrangements or communication protocols supporting networked applications
    • H04L67/14Network-specific arrangements or communication protocols supporting networked applications for session management
    • H04L67/141Network-specific arrangements or communication protocols supporting networked applications for session management provided for setup of an application session
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network-specific arrangements or communication protocols supporting networked applications
    • H04L67/14Network-specific arrangements or communication protocols supporting networked applications for session management
    • H04L67/143Network-specific arrangements or communication protocols supporting networked applications for session management provided for session termination, e.g., event controlled end of session

Abstract

The invention discloses a kind of link establishment method, apparatus and storage mediums.The link establishment method includes: concurrently to create the first link and the second link, and the resource that the first link occupies is lower than the second link less than the creation success rate of the second link and the first link;Judgement first creates successful Linktype;If first creation is successfully the first link, the first link transmission is used, stop creating and discharges the second link, if first creation is successfully the second link, continues to create the first link simultaneously using the second link transmission;If carrying out link switching using the first link establishment success while the second link transmission to switch to the first link, if not creating success using the first link while the second link transmission, continuing to transmit using the second link.By the above-mentioned means, the present invention can reduce the fluctuation and maximum value of creation time.

Description

Link establishment method, apparatus, filming apparatus and storage medium
Technical field
This application involves network communication fields, more particularly to a kind of link establishment method, apparatus, filming apparatus and storage Medium.
Background technique
Carry out data transmission between the terminal that two are located at different Intranets, needs to create the link between terminal, there is two Kind mode creates the link between terminal.One is carry out network address translation (Network Address Translation, NAT peer-to-peer network (Peer-to-peer, P2P) link between creation terminal) is penetrated, P2P link can also be referred to as direct-connected Link.Another kind is to forward data between the terminals using server, can be referred to as transfer link.
The two is compared, and direct connected link forwards data without server, saves flow and bandwidth, however due to network environment Complexity, NAT, which is penetrated, can not necessarily succeed, and the creation success rate of direct connected link is lower.
In the related technology, during creating the link between terminal, it is direct-connected that generally first progress NAT penetrates trial creation Link is transmitted using direct connected link if success, unsuccessfully creates transfer link.The minimum value of the creation time of link is direct-connected The creation time of link, maximum value are the creation time of direct connected link and the sum of the creation time of transfer link, and creation time is not Stablize and fluctuates larger.
Summary of the invention
The application provides a kind of link establishment method, apparatus, filming apparatus and storage medium, is able to solve in the prior art The problem that the link establishment time is unstable and fluctuation is larger.
In order to solve the above technical problems, the technical solution that the application uses is: a kind of link establishment method is provided, it should Method includes: concurrently to create the first link and the second link, and the resource that the first link occupies is less than the second link and the first link Creation success rate be lower than the second link;Judgement first creates successful Linktype;If first creation is successfully the first link, Using the first link transmission, stop creating and discharge the second link, if first creation is successfully the second link, uses the second chain It transmits while continuing to create the first link in road;If carrying out chain using the first link establishment success while the second link transmission Road switches to switch to the first link, if not creating success using the first link while the second link transmission, uses second Link continues to transmit and discharge the first link.
In order to solve the above technical problems, another technical solution that the application uses is: a kind of link establishment device is provided, The link establishment device includes processor, and processor concurrently creates the first link and the second link for executing instruction, and first The resource that link occupies is lower than the second link less than the creation success rate of the second link and the first link;First creation is successful for judgement Linktype;If first creation is successfully the first link, the first link transmission is used, stops creating and discharging the second link, If first creation is successfully the second link, continue to create the first link simultaneously using the second link transmission;If using the second chain The success of the first link establishment, then carry out link switching to switch to the first link while road is transmitted, if being passed using the second link First link does not create success while defeated, then continues to transmit and discharge the first link using the second link.
In order to solve the above technical problems, another technical solution that the application uses is: providing a kind of storage medium, store There is instruction, instruction, which is performed, realizes link establishment method above-mentioned.
The beneficial effect of the application is: concurrently creating the first link and the second link, the resource that the first link occupies is less than The creation success rate of second link and the first link is lower than the second link;Judgement first creates successful Linktype;If first creating Successfully it is the first link, then uses the first link transmission, stop creating and simultaneously discharges the second link, if first creation is successfully the Two links then continue to create the first link using the second link transmission simultaneously;If using the first chain while the second link transmission Road creates successfully, then carries out link switching to switch to the first link, if not using the first link while the second link transmission It creates successfully, then continues to transmit and discharge the first link using the second link, the minimum value of overall creation time is the first chain The minimum value of the creation time of road and the second link, maximum value are the maximum value of the creation time of the first link and the second link, Compared with the relevant technologies, the fluctuation of creation time becomes smaller and maximum value becomes smaller.
Detailed description of the invention
Fig. 1 is the flow diagram of one embodiment of link establishment method of the present invention;
Fig. 2 is the idiographic flow schematic diagram for creating the first link in Fig. 1 in S1;
Fig. 3 is the idiographic flow schematic diagram for creating the second link in Fig. 1 in S1;
Fig. 4 is the idiographic flow schematic diagram of S5 in Fig. 1;
Fig. 5 is the structural schematic diagram of one embodiment of link establishment device of the present invention;
Fig. 6 is the structural schematic diagram of one embodiment of storage medium of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete Site preparation description, it is clear that described embodiment is only a part of the embodiment of the application, instead of all the embodiments.It is based on Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall in the protection scope of this application.
Term " first ", " second ", " third " in the application are used for description purposes only, and should not be understood as instruction or dark Show relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second ", " are defined as a result, Three " feature can explicitly or implicitly include at least one of the features.In the description of the present application, the meaning of " plurality " is extremely It is two few, such as two, three etc., unless otherwise specifically defined.The directional instruction of institute is (all in the embodiment of the present application Such as up, down, left, right, before and after ...) it is only used for explaining in the phase under a certain particular pose (as shown in the picture) between each component To positional relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes therewith Become.In addition, term " includes " and " having " and their any deformations, it is intended that cover and non-exclusive include.Such as comprising The process, method, system, product or equipment of a series of steps or units are not limited to listed step or unit, and It is optionally further comprising the step of not listing or unit, or optionally further comprising for these process, methods, product or equipment Intrinsic other step or units.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and Implicitly understand, in the absence of conflict, embodiment described herein can be combined with other embodiments.
Fig. 1 is the flow diagram of one embodiment of link establishment method of the present invention.It is noted that if having substantially the same As a result, the present embodiment is not limited with process shown in FIG. 1 sequence.As shown in Figure 1, the present embodiment includes:
S1: the first link and the second link are concurrently created.
The executing subject of the present embodiment (or can be referred to as a little for the link to establish between terminal with target terminal To a link) a terminal.The resource that first link occupies is less than the creation success rate of the second link and the first link lower than the Two links.For example, the first link can be direct connected link, the second link can be transfer link.For ease of description, below according to First link is direct connected link, and the second link is that transfer link is illustrated, the first link and the second link in practical application It can be other kinds of link.
As shown in Fig. 2, in a specific embodiment of the invention, the first link of creation may include:
S11: the first request for establishing the first link is sent to first server.
First server refers to that auxiliary terminal establishes the server of direct connected link.After receiving the first request, first server Terminal can be assisted to carry out NAT to penetrate, such as send the public network address and port of this terminal to target terminal, sent to this terminal The public network address of target terminal and port etc..
S12: it waits in the first duration from first server and/or the first success notification of target terminal.
A length of first link is successfully established required maximum time when first.First success notification is for indicating the first link It is successfully established.First success notification may include the public network address and port information of the target terminal from first server, And/or the message from target terminal.
S13: if receiving the first success notification in the first duration, the success of the first link establishment.
If failing to receive the first success notification, the failure of the first link establishment in the first duration.
As shown in figure 3, in a specific embodiment of the invention, the second link of creation may include:
S16: the second request for establishing the second link is sent to second server.
Second server is the transfer server between this terminal and target terminal, and the data being responsible between two terminals turn Hair.Second server and first server can be the same server, be also possible to different servers.
S17: the second success notification from second server is waited in the second duration.
A length of second link is successfully established required maximum time when second.Second server be successfully established this terminal and After transfer service and transfer mapping between target terminal the second success notification can be sent to this terminal.Second successfully leads to Know for indicating that the second link is successfully established.
S18: if receiving the second success notification in the second duration, the success of the second link establishment.
If not receiving the second success notification in the second duration, the failure of the second link establishment.
S2: judgement first creates successful Linktype.
If first creation is successfully the first link, S3 is jumped to;If first creation is successfully the second link, jump to S4。
S3: using the first link transmission, stops creating and discharges the second link.
It discharges the second link and refers to the resource for being released to the reservation of the second link, such as port etc., it may be necessary to notify the Two servers discharge the second link.
S4: continue to create the first link simultaneously using the second link transmission.
In practical application, n times can be attempted and create the first link, N is positive integer, if n times create the first link and fail In the case where, then it can be determined that the first link does not create successfully and stops creating.In the success of the second link establishment and the first link Still during creation (in the first duration of N*), it can continue to create the first link, such as continue waiting for the first one-tenth Function notice sends message etc. to first server and/or target terminal.If exceeded first when the success of the second link establishment It is long, then do not execute S4 and thereafter the step of, but use the second link transmission.
If the success of the first link establishment, jumps to S5;If the first link does not create success, S6 is jumped to.
S5: link switching is carried out to switch to the first link.
Then from the second link switching to the first link, handover success then continues to transmit using the first link for pause transmission.
As shown in figure 4, S5 can be specifically included in a specific embodiment of the invention:
S51: the transmission of the second chain road of pause.
S52: from the second link switching to the first link.
If switching successfully, S53 is jumped to;If handover failure jumps to S54.
S53: continue the transmission of the second chain road using the first link, and discharge the second link.
S54: continuing to transmit using the second link, and discharges the first link.
S6: continue to transmit using the second link.
If the number of the first link of creation has reached n times, the first link of creation will not be reattempted, then can choose release the One link can choose the first link of release, also can choose and do not discharge if the number of the first link of creation is not up to n times First link.It discharges the first link and refers to the resource for being released to the reservation of the first link, such as port etc., it may be necessary to notify the One server discharges the first link.
By the implementation of the present embodiment, the first link and the second link are concurrently created, the resource that the first link occupies is less than The creation success rate of second link and the first link is lower than the second link;Judgement first creates successful Linktype;If first creating Successfully it is the first link, then uses the first link transmission, stop creating and simultaneously discharges the second link, if first creation is successfully the Two links then continue to create the first link using the second link transmission simultaneously;If using the first chain while the second link transmission Road creates successfully, then carries out link switching to switch to the first link, if not using the first link while the second link transmission It creates successfully, then continues to transmit and discharge the first link using the second link, the minimum value of overall creation time is the first chain The minimum value of the creation time of road and the second link, maximum value are the maximum value of the creation time of the first link and the second link, Compared with the relevant technologies, the fluctuation of creation time becomes smaller and maximum value becomes smaller.
The creation time and its undulating value of point-to-point link in the relevant technologies and the present embodiment are made a concrete analysis of in citing below.
Assuming that it is T1 that direct connected link, which is successfully established required maximum time, transfer link is successfully established required maximum time For T2.It is discussed to simplify, it is assumed that terminal will not be successfully established link in advance, i.e. direct connected link is successfully established the required time and is T1, transfer link are successfully established the required time as T2.
In the related technology, creation direct connected link is first attempted, if success, creation time is T1 (minimum value);If failure, Start to create transfer link, if success, creation time is T1+T2 (maximum value).Undulating value is T2.
And in the present embodiment, if two kinds of links can successfully create, creation time is (when starting the waiting of data transmission Between) it is MIN (T1, T2).
It if two kinds of links can successfully create, and T2 < T1, can first be carried out data transmission using transfer link, be opened with reducing The waiting time of beginning data transmission.After direct connected link is successfully established, then by transmission link from transfer link switching be direct-connected chain Road.Theoretic server data forwarding time is only T1-T2, since the time difference between T1, T2 is often smaller, the clothes of consumption Device resource of being engaged in is seldom.
If direct connected link creation failure, the success of transfer link establishment, then creation time is T2.If direct connected link creation at Function, the failure of transfer link establishment, then creation time is T1.
In general, the minimum value of creation time is MIN (T1, T2), and maximum value is MAX (T1, T2), reaches maximum value Condition is the creation failure of one of two kinds of links, and the short time consumption for creating successful link is greater than the link of creation failure It is time-consuming.Undulating value is | T1-T2 |.The undulating value of the present embodiment is generally smaller than the undulating value of the relevant technologies.
It creates and fails in direct connected link, in the successful situation of transfer link establishment, the creation time of the relevant technologies is T1+ The creation time of T2, the present embodiment are T2, shorten T1.In the case where direct connected link and transfer link create successful situation, phase The creation time of pass technology is T1, and the creation time of the present embodiment is that MIN (T1, T2) shortens T1- in the case where T1 > T2 T2, in the case where T1≤T2, the creation time of the relevant technologies and the present embodiment maintains an equal level.
As can be seen that direct connected link and transfer link can create successfully and in the case where T1 > T2, the present embodiment is shortening While creation time, the very big server resource of band (flow and bandwidth) consumption will not be carried out.It cannot be created in direct connected link In successful situation, creation time is also shortened.
Referring to Fig. 5, Fig. 5 is the structural schematic diagram of one embodiment of link establishment device of the present invention.As shown in figure 5, the chain Road creating device 20 includes processor 21.
Processor 21 can also be known as CPU (Central Processing Unit, central processing unit).Processor 21 It may be a kind of IC chip, the processing capacity with signal.Processor 21 can also be general processor, digital signal Processor (DSP), specific integrated circuit (ASIC), ready-made programmable gate array (FPGA) or other programmable logic device, Discrete gate or transistor logic, discrete hardware components.General processor can be microprocessor or the processor It can be any conventional processor etc..
Link establishment device 20 may further include memory (not shown), run institute for storage processor 21 The instruction and data needed.
Processor 21 is for executing instruction to realize aforementioned present invention link establishment method any embodiment and not rush arbitrarily Method provided by prominent combination.
Refering to Fig. 6, Fig. 6 is the structural schematic diagram of one embodiment of storage medium of the present invention.The storage of the embodiment of the present invention is situated between Matter 30 is stored with instruction, which, which is performed, realizes link establishment method any embodiment of the present invention and any do not conflict Method provided by combining.Wherein, which can form program file and be stored in above-mentioned storage Jie in the form of software products In matter, so that a computer equipment (can be personal computer, server or the network equipment etc.) or processor (processor) all or part of the steps of each embodiment method of the application is executed.And storage medium above-mentioned includes: U Disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), the various media that can store program code such as magnetic or disk or computer, server, mobile phone, flat The terminal devices such as plate.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the division of unit, Only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components can be with In conjunction with or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or discussed Mutual coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING of device or unit or Communication connection can be electrical property, mechanical or other forms.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list Member both can take the form of hardware realization, can also realize in the form of software functional units.The above is only the application's Embodiment is not intended to limit the scope of the patents of the application, all using made by present specification and accompanying drawing content etc. Structure or equivalent process transformation are imitated, is applied directly or indirectly in other relevant technical fields, and is similarly included in the application Scope of patent protection in.

Claims (11)

1. a kind of link establishing method characterized by comprising
Concurrently create the first link and the second link, the resource that first link occupies is less than second link and described the The creation success rate of one link is lower than second link;
Judgement first creates successful Linktype;
If first creating successfully as first link, first link transmission is used, stops creating and discharge described the Two links continue to create using second link transmission described the if first creating successfully as second link simultaneously One link;
If carrying out link switching using the success of the first link establishment described in while second link transmission to switch to The first link is stated, if not creating success using the first link described in while second link transmission, uses described second Link continues to transmit.
2. the method according to claim 1, wherein
The progress link switching includes:
Suspend the transmission of second chain road;
From second link switching to first link;
If switching successfully, continue the transmission of second chain road using first link, and discharge second link, If handover failure, continue to transmit using second link, and discharges first link.
3. the method according to claim 1, wherein
The first link of the creation includes:
The first request for establishing first link is sent to first server;
It is waited in the first duration from the first server and/or the first success notification of target terminal, described first Success notification is for indicating that first link is successfully established;
If receiving first success notification in first duration, the first link establishment success.
4. the method according to claim 1, wherein
The second link of the creation includes:
The second request for establishing second link is sent to second server;
The second success notification from the second server is waited in the second duration, second success notification is used for table Show that second link is successfully established;
If receiving second success notification in second duration, the second link establishment success.
5. the method according to claim 1, wherein
First link is direct connected link, and second link is transfer link.
6. a kind of link establishment device, which is characterized in that the link establishment device includes processor,
The processor concurrently creates the first link and the second link, the resource that first link occupies for executing instruction It is lower than second link less than the creation success rate of second link and first link;Judgement first creates successful chain Road type;If first creating successfully as first link, first link transmission is used, stops creating and discharging described Second link is continued described in creation if first creating successfully as second link using second link transmission simultaneously First link;If carrying out link switching using the success of the first link establishment described in while second link transmission to cut First link is shifted to, if not creating success using the first link described in while second link transmission, uses institute The second link is stated to continue to transmit and discharge first link.
7. according to the method described in claim 6, it is characterized in that,
The processor is specifically used for pause and uses second link transmission;From second link switching to first chain Road;If switching successfully, continue to transmit using first link, and discharge second link and use if handover failure Second link continues to transmit, and discharges first link.
8. according to the method described in claim 6, it is characterized in that,
The processor is specifically used for sending the first request for establishing first link to first server;In the first duration It waits from the first server and/or the first success notification of target terminal, first success notification is for indicating First link is successfully established;If receiving first success notification in first duration, first link It creates successfully.
9. according to the method described in claim 6, it is characterized in that,
The processor is specifically used for sending the first request for establishing second link to second server;In the second duration Wait from the second server the second success notification, second success notification for indicate second link at Function is established;If receiving second success notification in second duration, the second link establishment success.
10. according to the method described in claim 6, it is characterized in that,
First link is direct connected link, and second link is transfer link.
11. a kind of storage medium is stored with instruction, which is characterized in that described instruction is performed realization such as claim 1-10 Any one of described in method.
CN201910642385.4A 2019-07-16 2019-07-16 Link establishment method, apparatus, filming apparatus and storage medium Pending CN110430244A (en)

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Publications (1)

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