CN101930440A - Method for establishing Internet streaming browser - Google Patents
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- CN101930440A CN101930440A CN2009101486069A CN200910148606A CN101930440A CN 101930440 A CN101930440 A CN 101930440A CN 2009101486069 A CN2009101486069 A CN 2009101486069A CN 200910148606 A CN200910148606 A CN 200910148606A CN 101930440 A CN101930440 A CN 101930440A
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Abstract
The invention discloses a method for establishing an Internet streaming browser, belongs to the distributed technical field, and particularly relates to application of a large-scale distributed technique in Internet. In order to provide more intelligent search for a user, the method implements the streaming browser by establishing a large-scale non-central Internet system, transmitting data for the browser by using a large-scale non-central Internet transmission protocol, establishing a large-scale non-central based time drive mechanism, establishing a browsing interpreter and establishing a play mechanism-based browsing mode. The method impels full combination of the browser and the large-scale non-central Internet system, fulfills the purposes of efficient operation, instant change and rich display, and realizes reformation of the current Internet client.
Description
Technical field
The invention belongs to the internet client application software.The work that it relates generally to comprise local resource utilization, distributed resource utilization, non-headed construction internet transport protocol use, search interface, enrich client shows and user interactions etc.In fact, internet streaming browser be one to the integrated application of large-scale non-central Internet Internet technology on terminal user's computing node.
Background technology
Browser technology is that the typical case of Internet subscribers' end system uses.Current internet is in the widespread use of each aspect of society and the invention that tremendous influence power will give the credit to browser really.The browser that is widely used the earliest is NetScape[1]; Now pandemic is Internet Explorer[2] and FireFox[3] etc.These browsers all possess following common ground.
Current browser all belongs to the distributed clients based on division center.Above-mentioned browser all occurs as division center distributed clients appearance.The server of these browsers on remote internet sends the response of request and waiting for server; After responding, it is presented at presents to the terminal user in the browser.When request with the data volume responded is little and network quality when high, the terminal user experiences can be desirable; And the data volume that, calculation of complex poor when network quality or request are responded is big and can't handle with the Streaming Media form time, browser is in waiting status, and the user can think that system response is blunt.These browsers only play the displaying effect in client usually, and main calculating and data all concentrate on server end.The performance of system depends critically upon the computational resource that server has like this, data, bandwidth, central processing unit, internal memory and memory space etc.At last, do not have between these browsers any directly mutual.All finish indirectly alternately if need between the user by server; If there is not the interactive request between the user, this indirect association between the browser can not exist yet.This situation has directly caused the waste of client computational resource.
Current browser all is based on the division center internet transport protocol.Above-mentioned browser all is based on the division center internet transport protocol and comes work.These agreements mainly comprise HTTP[4], FTP[5] and Telnet[6] etc.; Wherein HTTP is topmost agreement.These agreements all are based on TCP/IP[7] on application layer protocol.With the contrast of non-headed construction host-host protocol, the characteristics of so-called division center host-host protocol are that data transmission all is to work under request and response pattern; And any data all is to carry out between two nodes alternately, does not have the participation of other nodes.When resource concentrated on the minority node, this agreement must form a division center, and this also is the origin of division center internet transport protocol title.This agreement has its advantage, such as simplicity of design, be convenient to the management and security high.But also bring simultaneously problems such as, poor fault tolerance low and retractility difference such as resource utilization.Browser based on such agreement also can possess corresponding relative merits, such as now browser be suitable for the user relatively less, security and correctness requires high but the commerce that transmission cost is little is calculated, but application big to transmitted data amount, calculation of complex is as multimedia application, just difficult to deal with.
Current browser all is based on request response pattern and comes work.So-called request response pattern refers under the client/server distributed model, and the side of having the initiative is client forever during data transmission, and what be in the passive side is server end forever.This pattern also is the inevitable outcome that division center is brought.Because server resource all is valuable as a rule, is mainly used to serve client-requested; If require server active and client to produce contact, consumption calculations resource more; In case have the client to send request, can reduce the reaction efficiency of server.This mode can make server resource idle in client-requested quantity after a little while.But because server can not initiatively connect with client, the problem of this resources idle also can't solve under existing environment.The another one problem that request response pattern is brought is that the data of the relative clients end that can't upgrade in time cause inconsistent when the data change on the server.In order to overcome this problem, some can pass through voting mechanism [8] and remote server contact based on the application of browser, can upgrade in time to guarantee local data.But this voting mechanism and out of true, and can cause the pressure extra to server.Except the level of resources utilization and the inconsistent problem of data, request response pattern is obtained valuable data from the user and is also existed not enough.Internet system itself is the system of a frequent change, the data issue, search for and be accessed in ceaselessly carry out in the middle of; Some is that the in other words conj.or perhaps user of the required perception of user is interested in for this variation.But because this variation is complicated and at random, it is also a lot of originate, if utilize request response modular system to be difficult to obtain the data of these dynamic changes.Therefore in most of the cases, the data of browser-presented all are static; Have only when the user initiatively sends request, just can come out by vicissitudinous data display.But this can not react the real scene in internet, and the user may lose own significant change or untimely to this change perception.
Current browser-presented mode all is based on the small data quantity script and resolves and finish.Because data volume is few relatively, internet data can in time transmit with the assurance core data on the internet based on the text data of lightweight in the time of most of, thereby must do strict restriction to multi-medium data size and quantity.This has caused the major defect of browser-presented effect.Significant difference is arranged now based on the application of browser with based on the application of desktop, except low-response, also very dull in the displaying.
Summary of the invention
The objective of the invention is to utilize large-scale non-central Internet internet system technology, set up a new common interconnection network browser.This browser and the abundant combination of large-scale non-central Internet internet system reach efficient operation, change immediately and enrich the purpose of showing, realize the transformation to the current internet client.
The present invention realizes goal of the invention by following technological means:
The first step is for data organization and new describing mode is provided.Since host-host protocol is different with legacy system, the description that correspondence is transmitted data also can change.This variation at first is embodied in separating of data description and data itself.This separation can guarantee that the form that same data can be different occurs, and can not form tight coupling with certain exhibition method.This has overcome HTML[9] defective, data and its description mix in the middle of HTML, this is unfavorable for reusing of data.Secondly, data description should comprise complete semanteme to help genealogical classification, inquiry and maintenance.HTML is that a kind of semi-structured data is described, and is mainly used to show, carries out the big weak effect of data management difficulty according to HTML.There is not the size restriction when once more, the present invention organizes data.In principle, HTML does not limit this yet, but because the Internet architecture, size of data is all strict limited when transmission.In addition, also comprise unique mutual description in the description of the invention.Among the HTML for the description that provides alternately has a lot, but these mutual describe at data generally be on the remote node, this descends system performance.In addition, on mutual kind,, cause interactive mode very limited on a webpage also owing to this operational mode based on remote request.And a large amount of requests can be carried out based on this locality in the present invention's description, and cross reaction speed is rapid.Simultaneously, local calculating also makes abundanter alternately, allows the user to control such as the form that all data can be play; Can in webpage, embed interactive module more easily based on local resource.The more important thing is, thisly under mass data, a large number of users and local user's acting in conjunction, launch alternately, broken based on HTML finite data and simple interactive means.At last, the displaying among the present invention is described also abundanter.Be because for the making full use of of local resource, presentation layer can show and based on the distinct form of conventional HTML, multimedia, image conversion and graphical trend are more obvious, become the new solution of horn of plenty internet, applications [10] equally.Fig. 1 has represented the data description among the present invention.
Second step is by changing the quick response modes of data transfer mode foundation based on this locality request.Current browser mainly occurs between the local and remote node alternately.Such pattern makes on the one hand and the anxiety of remote node computational resource also causes local user's waits for too long simultaneously.Because the browser among the present invention has utilized new transmission mode, internet data is transmitted by batch (-type) small data quantity point-to-point transmission become constant formula big data quantity multiple spot cooperation transmission.Such transmission mode makes long-range application based on data can be converted to local the application to greatest extent, promptly a large amount of requests become mutual with local data by sending to far-end, thereby significantly reduced the delay that remote request is brought, improved application responds efficient.Need to prove that the present invention is not to main being used as similar work to be calculated as on the internet; Above-mentioned discussion all is that the internet, applications based on data is launched.
In the 3rd step, set up instant Data Dynamic update mode.Browser among the present invention behind remote data update, the data that can be notified immediately and change.This feature is because the large-scale non-central Internet internet system is in event-driven mode [8] work down, rather than pattern is responded in the request of center internet system.After the teledata change, server can utilize the mode of a plurality of client auxiliary transmission to transmit related data immediately and give the current client of paying close attention to these data.This mode can be called as event-driven mode with respect to voting mechanism.It has stopped voting mechanism to pressure and error that system brings, make any change of system can both immediate reaction to on its interested browser.This variation has brought the new impression of internet, applications, makes the internet to be reacted on the browser more realistically.In fact, a real internet itself is exactly a constantly internet of change, but because the restriction of current techniques causes such change not present on browser immediately, this makes the internet look is a static system.The invention solves this drawback.
In the 4th step, set up based on the multimedia exhibition method that enriches.Have only abundant that the abundant ability of data finally causes showing.The current internet browser has to averaging out between information value and the transmittability, averaging out between information exhibition form and transmission quantity as far as possible owing to the restriction of basic fundamental.More substantial data when guaranteeing enough information values, are transmitted as far as possible in a good system, and the information that makes displays with abundanter form.But owing to the conventional art transmittability is limited, the same information that is worth is had to use than a small amount of data and is represented, even only shows with textual form.In order to remedy this deficiency, can rely on the big input on server and the bandwidth usually.Browser of the present invention is by potential customers' help, can fullest ground using system resource, and the deficiency need not to improve under the extra situation about dropping into existing system makes information with under current resources supplIes, transmits and shows with the degree of enriching of maximum possible.In this case, the user need obtain above-mentioned two balances equally, but equilibrium point can change, and the promptly same information that is worth can be transmitted and shows in abundanter mode.In addition, between information value and data volume even without limits.As long as data have enough information values, and this value can be evenly distributed in the whole transmission required time, such value can be in the maximum bandwidth instantaneous transmission that may provide with system simultaneously, and any restriction can not done to whole data volume size by system so.When the data that meet above-mentioned condition appeared in the system, it is abundant and smooth that its bandwagon effect can become.
Good effect of the present invention is:
Utilize the large-scale non-central Internet Internet technology to set up a new common interconnection network browser, and make this browser and the abundant combination of large-scale non-central Internet internet system, reach efficient operation, change immediately and enrich the purpose of showing, realize transformation the current internet client.
Description of drawings
Fig. 1, the handled data description of streaming browser;
The data-transmission mode that Fig. 2, streaming browser relied on.
Embodiment
The first step is set up the large-scale non-central Internet internet system.Browser among the present invention designs based on the large-scale non-central Internet internet system.Do not have this basis, new navigation mechanism can not occur yet.In this internet, any two nodes all are to be in reciprocity status.So-called equity, the most basic understanding be exactly a node be data or ISP, be again the beneficiary of data or service.But such explanation too comes to the surface.Further understand, equity refers in the environment that data are shared, and great deal of nodes participates in calculating in the mode of equality, and forms the calculating cluster according to final user's wish; In this cluster, the node acting in conjunction forms issue, search and the access to data; In such system, the node of all final users and control thereof has determined the performance and the quality of system; The node that wherein possesses or create the user of valuable data and control thereof is the key that efficient cluster forms, but such node minority normally.After cluster forms, data transmission is wherein carried out in acentric mode; Data transfer mode wherein reaches the maximizing the benefits that cooperates transmission between the node with reciprocal tactful principle.From user perspective, data are can obtain speed with stable and maximum to continue to be sent to this locality.Simultaneously, because this data stream forms under user's will, promptly data have been passed through artificial screening and have been had the intelligence trend that satisfies customer requirements.
In second step, utilize the large-scale non-central Internet internet transport protocol to transmit data for browser.Browser has been abandoned the http protocol [4] of center type among the present invention, and has taked the large-scale non-central Internet internet transport protocol.Compare with http protocol, this agreement is more suitable for the internet environment of high dynamic change.It is not to get in touch with a plurality of servers individually that the utilization of this agreement makes browser, but has formed a cluster with a lot of similar computing nodes of interest, shares computational resource.Because the support of this agreement uses the data volume that obtains in final user's unit interval of this browser big.Do not obtain when simultaneously, the data that browser obtained are not active request merely; When not sending request, browser also can be received the data that come from system.These data comprise more multimedia form with respect to http protocol.In a word, the host-host protocol that the present invention utilized makes the basic model of data transmission become the constant flow mode by request response pattern, becomes big data quantity by small data quantity, becomes multi-point cluster fit system alternately by simple point-to-point transmission.Fig. 2 has represented the data-transmission mode that browser of the present invention relied on.
In the 3rd step, set up event-driven mechanism based on large-scale non-central Internet.Event-driven mechanism comes down to can be mutual with active mode mutually between the node in the system.This system both can be local the application, also can be remote application or Distributed Application.It is in the present invention, main that what consider is the remote application formation of event-driven mechanism in the Distributed Application in other words.In case be that this system has just possessed event driven feature with this machine-processed as the citation form that connects each other between node.Has only the variation of reflection internal system immediately of this feature.This system design difficulty is big, and unreasonable design can cause system resource to take loss on the excessive and performance.The formation of this mechanism has been demonstrate,proved in equity quality guarantee in the large-scale non-central Internet internet, and large-scale non-central Internet internet essence is exactly an event driven system in other words.In such system, arbitrary node can initiatively be got in touch with other nodes, and forms under reciprocal prerequisite and calculate cluster.Yet, certain incident takes place on certain node after, and have a lot of nodes interested, if there is not suitable multicast mechanism [11] can cause this node to be difficult to deal with a large amount of proactive notifications and possible big data transmission in this variation.Thereby a perfect multicast system is another gordian technique of setting up the large-scale non-central Internet case mechanism.In fact, the host-host protocol that the present invention utilized possesses such multicast capability: when a node needs and much node is initiatively got in touch, this agreement can be distributed to the transmission burden on all these nodes by this node, thereby has alleviated the resource consumption of event occurrence node greatly.
In the 4th step, set up and browse interpreter.Provide new describing mode for data organization among the present invention.These descriptions are with the XML[12 of identifiable language] be that basic mode is finished and transmitted.Utilize such mechanism, the user can organize and distributing data.When organizing data,, the relation between data, visitor are defined the mutual and data display of data according to describing the rule that standard provided.After these work were finished, data organization had just been finished.After such data are sent to this locality, local browser must make an explanation to these data according to the prior definition of user, thereby according to the relation between data by host-host protocol to the remote node request msg, and will be sent to local data and show with the form of predefined; After data display was in browser, possible interactive mode was also carried out according to definition.These work all are that the interpreter that is had by browser is finished.Because data are to describe according to the mode of XML, this has alleviated the design cost of interpreter.Usually can rely on an XML interpreter [12] and XML manipulate tools [12] realizes.
In the 5th step, set up based on the browsing mode of playing mechanism.This browser data to be processed are multi-medium datas of relatively stable constant transmission, promptly so-called flow-data.Different with the conventional flow media data is that such data are heterogeneous, both may comprise stream medium data, as video and audio frequency, also may comprise non-stream medium data, as text, picture etc.When showing the conventional flow medium, generally all take the form play, promptly the user at first waits for and watches the displaying of data, under the situation of needs the mobile of data is controlled, as time-out, F.F., rollback, skip and termination etc.Because the heterogeneous data among the present invention also transmits in system with the form of similar stream, its corresponding browser must have significant difference with the effect of showing the request response data.At this, the exhibition method that the present invention has introduced DST PLAYER is used for browsing data.The final user can suspend in the flow data that multiple heterogeneous data constitutes, F.F., rollback, skip and operation such as termination.This browsing mode is the inevitable outcome that the large-scale non-central Internet Internet technology is used, and has both satisfied the wish of user's active and system interaction, also the variation on the internet immediately can be reflected on user's the computing node.
In the 6th step, use graphic interface.In the internet system of center, webpage is the citation form of user interface.When webpage need satisfy the lightweight transport cost, express meaning as much as possible.Must cause like this and reduce the media data amount, increase the literal amount.This makes the original idea of web page authors improve to express and is restricted that it is dull that the visitor of webpage also can feel.In addition, the current internet browser is not enough to the use of graph technology.The appearance of some technology has now begun to improve this point, as Flash[10] and Silverlight[10].But these technology are not all touched the distributed mode of current internet system, promptly remain based on division center.This makes when the interior graphical effect of browser improves greatly, does not but have enough media datas to support.Browser among the present invention has utilized above-mentioned graph technology, simultaneously in conjunction with the large-scale non-central Internet Internet technology, has remedied the deficiency of current browser.
List of references:
【1】Netscape?Browser；http://www.netscape.com
【2】Internet?Explorer；http://www.microsoft.com/windows/internet-explorer
【3】FireFox?Browser；http://www.firefox.com
【4】Hypertext?Transfer?Protocol；http://www.w3.org/Protocols
【5】File?Transfer?Protocol；Request?for?Comments：959
【6】Telnet?Protocol?Specification；Request?for?Comments：495
【7】Douglas?E.Comer；Internetworking?with?TCP/IP：Principles，Protocols?and?Architecture，Pearson?Prentice?Hall?2005，ISBN：0131876716
【8】Jean?Dollimore，Tim?Kindberg，George?Coulouris；Distributed?Systems：Concepts?and?Design；Addison?Wesley，4th?Edition，2005，ISBN：0321263545
【9】HTML?4.01Specification；World?Wide?Web?Consortium，24December?1999，http://www.w3.org/TR/html401/，Retrieved?on?2008-11-16
【10】Matthew?MacDonald；Pro?Silverlight?2in?C#2008；Apress，2009，ISBN：1590599497
【11】Obraczka，K.；Multicast?Transport?Protocols：a?Survey?and?Taxonomy，Communication?Magazine，IEEE，Volume?36，Issue?1，Jan.1998Page(s)：94-102
【12】Extendable?Markup?Language；http://www.w3.org/XML/
Claims (6)
1. a method of setting up internet streaming browser is characterized in that, described streaming browser method for building up comprises sets up the large-scale non-central Internet internet system; Utilize the large-scale non-central Internet internet transport protocol to transmit data for browser; Foundation is based on the event-driven mechanism of large-scale non-central Internet; Interpreter is browsed in foundation; Foundation is based on the browsing mode of playing mechanism.
2. streaming browser as claimed in claim 1 is characterized in that, describedly sets up the basis that the large-scale non-central Internet internet system is a streaming browser; Concrete job step is as follows:
1) in the environment that data are shared, gives each node and participate in calculating, and form the calculating cluster according to final user's wish in the equality mode;
2) in cluster, the acting in conjunction of permission node forms issue, search and the access to data; In this process, determine the performance and the quality of total system by the node of user and control thereof;
3) in cluster, make between the node with reciprocal strategy to cooperate the benefit of transmission to reach maximization, reach with maximum and can obtain the purpose that speed transmits data sustainedly and stably.
3. streaming browser as claimed in claim 1 is characterized in that, the described large-scale non-central Internet internet transport protocol of utilizing is transmitted data for browser, impels the data volume that obtains in the Subscriber Unit time big, and changes the transmission mode that request is responded; Its concrete steps are as follows:
1) transmits data in the constant flow mode;
2) realize the big data quantity data transmission;
3) change transmission mode, make simple point-to-point transmission become multi-point cluster fit system alternately.
4. streaming browser as claimed in claim 1 is characterized in that, described foundation is based on the event-driven mechanism of large-scale non-central Internet, and impelling can be mutual with active mode mutually between the node in the system; Its concrete steps are as follows:
1) utilizes the formation of the equity quality guarantee card event-driven mechanism in the large-scale non-central Internet internet;
2) arbitrary node can initiatively be got in touch with other nodes, and under reciprocal prerequisite, form and calculate cluster;
3) setting up perfect multicast system guarantees efficient and low consumption of resources event notice down and data transmission greatly.
5. streaming browser as claimed in claim 1 is characterized in that, described foundation is browsed interpreter in order to handle the data description of redetermination; Its concrete steps are as follows:
1) be that basic mode is described data with the XML of identifiable language;
2) according to describing the rule that standard provided, the relation between data, visitor are defined the displayings mutual and data of data, thereby finish the distributing data tissue;
3) after data that tissue is finished are sent to this locality, local browser must make an explanation to these data according to the prior definition of user;
4) according to the relation between data by host-host protocol to the remote node request msg, and will be sent to local data and show with the form of predefined;
5) after data display is in browser, possible interactive mode is also carried out according to definition.
6. streaming browser as claimed in claim 1 is characterized in that, describedly designs at the characteristics of streaming browser based on the browsing mode of playing mechanism, and user's access internet effect is improved; Its concrete steps are as follows:
1) exhibition method of introducing DST PLAYER, relatively stable browsing continuously organized perfect data;
2) user can suspend in the flow data that multiple heterogeneous data constitutes, F.F., rollback, skip and operation such as termination;
3) by with play relevant operation, satisfy the wish of user's active and system interaction, and the variation on the internet immediately be reflected on user's the calculation level.
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| WO2014026352A1 (en) * | 2012-08-16 | 2014-02-20 | 华为技术有限公司 | Stream media service sending method, playing method, and apparatus |
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