CN102664958A - Transparent computing system - Google Patents
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Abstract
The embodiment of the invention discloses a transparent computing system, which comprises a transparent client, a transparent server and a transparent network. The transparent client comprises a hardware module, a basic input output system (BIOS), a transparent network protocol (TNP) client module, an operating system and an application program, wherein the hardware module, the BIOS and the TNP client module are fixedly arranged on the transparent client; the transparent client stores various software and information resources required by a user, and executes task scheduling, resource allocation and data transmission and management; the transparent client realizes communication connection with the transparent server through the transparent network, dynamically downloads the operating system from the transparent server, and loads the operating system; the loaded operating system interacts with the hardware of the transparent client in driving and calling way; and the application program obtains service provided by the operating system in a system calling way. The transparent computing system is high in network independence and reliable in internetworking; and the software and hardware design of the transparent client is simplified, hardware requirements are low, and cost is saved.
Description
Technical field
The present invention relates to the technical field of computer configuation, relate in particular to a kind of transparent computing system.
Background technology
General fit calculation (Pervasive or Ubiquitous Computing) is one New Wave of computing field.Its main thought is based on the fusion of cyberspace, physical space and anti-interference calculating.It has contained the suitable extensive fields of computer science.In the information age, the complexity that general fit calculation can reduction equipment be used, the life that makes people more easily, more efficient.In fact, general fit calculation is extending naturally of network calculations, and its makes not only PC, and other small and exquisite smart machine also can be connected in the network, thereby is convenient for people to immediately acquired information and takes action.
A kind of existing computation model system, with reference to figure 1, each equipment all has hardware, operating system and application program.Interconnected between the distinct device is to be initiated by application program, and application program is used hardware resource through system call; The network interconnection is to use ICP/IP protocol, and agreement is the network components that belongs to operating system, and hardware resource comprises equipment such as internal memory, hard disk, network interface card; The characteristics of this computation model system are that each equipment all has independently computing capability, and equipment configuration is complete, within operating system storage and equipment this locality.Yet existing computation model is a kind of universal computer architecture model, and cost is high, and the complete emphasical versatility of hardware device facility causes the waste of resource; Client hardened operating system in addition, it is big that system not only takies the resource rate, and after the system start-up failure, can not link to each other with server, and the upgrading speed of operating system itself is slow, and newly system deployment is difficult.
Therefore, be necessary to provide a kind of new transparent computing system to solve above-mentioned defective.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of transparent computing system is provided, network interconnection module is independent of outside the operating system, guaranteed the reliability of the network interconnection; System deployment and system's switching fast can be provided very easily; Simplify the design of hardware and software of client, reduced the hardware requirement of client, practiced thrift cost.
In order to address the above problem; The present invention proposes a kind of transparent computing system; Comprise: transparent client, transparent server end and transparent network; Said transparent client comprises hardware module, BIOS (Basic Input Output System), TNP (Transparent Network Protocol) client modules, operating system and application program, and said hardware module, BIOS, TNP client modules are installed on the transparent client; Various softwares and information resources that said transparent server end storage user needs, the transmission and the management of the scheduling of executing the task, the distribution of resource, data; The TNP client modules of said transparent client is realized being connected with the communication of transparent server end through said transparent network; Wherein, Said transparent client is dynamically downloaded and the load operation system from said transparent server end through said transparent network; The hardware that operating system after the loading is called with transparent client through driving carries out alternately, and application program obtains the service that operating system provides through system call.
Preferably, said transparent server end has been deposited various operating system installation programs, and transparent client selects to download and load corresponding operating system through said transparent network.
Preferably; The driving of said operating system comprises that conventional I/O drives and the I/O driving of communicating by letter; Traditional I/O drives and is used for downloading and load control and the operation of back to the local hardware resource in operating system from transparent server end; Communication I/O drives and is used for being connected with transparent server end, and data transport service is provided.
Preferably, said transparent network adopts the TNP clear transport protocol based on UDP (User Datagram Protocol, User Datagram Protocol), provide comprise connect, service that data, services, disconnection connect.
The transparent computing system of the embodiment of the invention has been given prominence to transparent client design, and the operating system of transparent client all is to connect to come from transparent server end through transparent network to download, and loads then, and system deployment and system's switching fast are provided easily; The network interconnection of transparent client is independent of operating system, has guaranteed the reliability of the network interconnection; And and on this basis, run application and obtain follow-up desired data, will calculate and storage concentrates on transparent server end, simplified the design of hardware and software of transparent client, the hardware requirement to transparent client is lower simultaneously, practices thrift cost.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structured flowchart of traditional transparent computing system;
Fig. 2 is the structured flowchart of the transparent computing system of the embodiment of the invention;
Fig. 3 is the flow chart of the transparent computing system operation of the embodiment of the invention;
Fig. 4 is the datagram header structure chart of the TNP clear transport protocol of the embodiment of the invention;
Fig. 5 is the structural representation of the TNP clear transport protocol bag data format of the embodiment of the invention;
Fig. 6 is the service that provides of the TNP clear transport protocol of the embodiment of the invention and the flow chart of the course of work.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
As stated, the present invention proposes a kind of transparent computing system, comprise three parts, one is the transparent client of having integrated lightness equipment such as current PC, PDA, smart mobile phone, digital household appliances; One is the transparent network of integrating current various network device and InterWorking Equipment; Last is a transparent server end of having integrated the strong or very strong ordinary individual microcomputer of great amount of calculation ability, server, large-scale computer etc., and transparent calculating is structured in one widely on the physical equipment, and running environment is flexible.
With reference to figure 2; The transparent computing system of the embodiment of the invention comprises: transparent client, transparent server end and transparent network; Said transparent client comprises hardware module, BIOS, TNP client modules, operating system and application program, and said hardware module, BIOS, TNP client modules are installed on the transparent client; Various softwares and information resources that said transparent server end storage user needs, the transmission and the management of the scheduling of executing the task, the distribution of resource, data; The TNP client modules of said transparent client is realized being connected with the communication of transparent server end through said transparent network; Wherein, Said transparent client is dynamically downloaded and the load operation system from said transparent server end through said transparent network; The hardware that operating system after the loading is called with transparent client through driving carries out alternately, and application program obtains the service that operating system provides through system call.
In transparent computing system, call transparent client to employed terminal equipment, call transparent server end to wherein server, and call transparent network to the network of connecting terminal equipment and server.Transparent client can be that the bare machine of any software is not installed, and also can be the lightness terminal that part kernel software platform is housed, and stresses the input and output of transparent client, outstanding user's experience.Transparent server end is the calculation element that has external memory storage, for example PC, PC level server, high-grade server, minicomputer etc.Various softwares and information resources that transparent server end storage user needs; Also to accomplish the management and the coordination of transparent computing system simultaneously; The scheduling of for example various different operating system core codes, distribute and transmission the management of the processes such as scheduling, distribution and transmission of various different softwares services on the transparent client computer.
Cooperation is with reference to figure 3, and the transparent client that the present invention relates to can be divided on structure: hardware module, BIOS and TNP client modules, operating system, application; Wherein having only hardware, BIOS and TNP client modules is local module, and other modules are the local module of right and wrong all, means that needs networking back obtains from transparent server end download.Hardware is the resource base of upper layer software (applications), and the equipment requirements of the hardware module of this transparent client can be very low, guarantees that transparent client can support special services and the outfit network adapter gets final product; BIOS is a basic input output system; It is one group of program on the rom chip that is cured on the mainboard; Its major function provides the bottom, the most directly hardware setting and control, comprises interrupting setting, removal system fault and diagnostic system problem, reset system; The TNP client modules is the transparent network client, is responsible for the network interconnection between transparent client and the transparent server end, is the same program that is solidificated on the rom chip with BIOS; Operating system and general control system have general character; Maximum difference is that this operating system is dynamic download and loading; Towards application-specific; Preferably, said transparent server end has been deposited various operating system installation programs, and transparent client selects to download and load corresponding operating system through said transparent network; In the superiors are application programs.Application program obtains the service that operating system provides through system call; Operating system is called with hardware through driving and is carried out alternately; Driving in operating system involved in the present invention is divided into conventional I/O and drives and the I/O driving of communicating by letter; Traditional I/O drives, after operating system is downloaded and loaded from server, have can operate the local hardware resource after, to the control of hardware; It is to network interconnection design that communication I/O drives, and does not possess before operating system is also downloaded and can link to each other with service end, after operating system successfully loads, still data transport service can be provided.
The network interconnection is designed to be independent of outside the operating system, directly is on the hardware.Such advantage is that operating system is when transparent client powers up start at every turn, earlier through TNP client modules, TNP protocol network, downloads from transparent server end.If when new operating system disposed, only need to leave new operating system in transparent server end and get final product.Transparent client can be through checking that existing data are selected in the transparent server end, and this not only provides the system deployment of convenient and efficient, and convenient quick switching between a plurality of systems.
Preferably, said transparent network adopts the TNP clear transport protocol based on UDP, provide comprise connect, service that data, services, disconnection connect.The TNP agreement is operated in the Ethernet, communication occur in duplex, on insecure media, the phenomenon of packet loss and packet delay might appear; Media can be wireless or wired.It is the communication protocol of bottom that TNP adopts UDP, and reliable, connection-oriented level memory access service is provided, and management functions such as communication error correction need be provided.The TNP agreement is based on the reliable transport protocol on the UDP unreliable protocol, and the header structure of its Frame is as shown in Figure 4.
TNP does not define the value in any IP head, and source port and destination interface are used as the identifier of transmission by TNP (Transfer Identifier, TID), service end gets and initially monitors TID is 4083 in the UDP head.Client and TID thereafter there is not special qualification.Because the maximum of UDP packet length is 65535 bytes, so the data packet length maximum of a TNP can not surpass 65507 bytes.Therefore, the sector of client-requested should be less than 128 (sector-size be 512 bytes).
TNP supports 8 kinds of packets, the corresponding different operation code of different packets, and its name and implication are as shown in table 1:
Table 18 kind of packet and implication
| Title | Implication |
| CR | Connect Request, connection request |
| DR | Disconnect Request, request of data |
| DC | Disconnect Confirm, data validation |
| CC | Connect Confirm connects and confirms |
| RDT | Right Data Transport, the proper data transmission |
| WDT | Wrong Data Transport, the transfer of data of mistake |
| RACK | Right Acknowledgement, correct affirmation |
| WACK | Wrong Acknowledgement, the affirmation of mistake |
The form of various packets is as shown in Figure 5.CR, DR, DC can shared same type of data packet formats, just difference to some extent on command code.Conditional code is a byte of indication state, and just often, conditional code is 0; Occur when unusual, conditional code indication relevant information, for example: the TNP bag sequence number that 1 expression is wrong, 2 expression disk access conflicts, 3 expression disk spaces are full.CC returns to the packet of client when being server to the affirmation that connects, mainly provide to the parameter of client about each disk on this server, so that client is chosen.Used packet comprised command code when DT (comprising RDT and WDT) and ACK (comprising RACK and WACK) were the data transmission; The sequence number that sequence number is packet data transmit in this connects reading of control data through disk unit number, start sector number and processing sector number.
TNP adopts client/server mode, service comprise connect, data, services is connected 3 stages with disconnection.Suppose to have 2 user C and S, protocol entity C-Station and the S-Stat ion with TNP carries out alternately respectively.C-Station is a client; Can comprise from the service primitive that user C receives: ConReq/DatReq/DisReq; Represent connection request, request of data and disconnection request respectively; And can send the ConConf/DatACK/DisInd indication to user C, represent that respectively connection request is confirmed to point out, data are replied and confirmed, break off prompting; S-Station is a service end; Can comprise from the service primitive that user S receives: ConResp/DatResp/DisReq; Connect answer, data answer respectively, break off request; And can send the ConInd/DatInd/DisInd indication to user S, request is pointed out, broken off to expression request prompting, request of data respectively.C-Station communicates by letter through sending PDU with S-Station.
With reference to figure 6, object interaction that TNP is related and course of work concrete steps are following:
Step1: under the normal condition, C user comes to ask to connect to S user through initiating ConReq (request connects), and client protocol entity C-Station sends 1 CR.When CR arrived service end protocol entity S-Station, it sent 1 indication ConInd (connection request prompting) to user S; Change Step2;
Step2: just reply ConResp (request is replied) to S-Station if user S agrees to set up this connection, S-Station sends CC to C-Station, and C-Station sends ConConf (request is confirmed) to user C, and the process that connects finishes.
Step3: after connecting foundation, C user is through initiating DatReq to the service of S user's request msg, and C-Station sends DT.When DT arrives S-Station; S-Station sends 1 indication DatInd (request of data prompting) to user S; If user S can satisfy request of data, user S replys DatResp (data answer) and gives S-Station, and S-Station sends out ACK and gives C-Station; C-Station sends DatAK (data validation) to user C after receiving AK, accomplishes request of data.
Step4: subsequently, the user can break off this time and connecting.C user breaks off connection through initiating DisReq (breaking off request) notice S user, and C-Station sends DR.When DR arrived S-Station, S-Station sent 1 indication DisInd (break off and connect prompting) to user S, and replys DC and give C-Station, connects and finishes.
TNP is the connection-oriented network communication protocol that reliability services is provided on a kind of UDP of being based upon.For quality in the assurance in service service of reality, must wrong and abnormity processing, TNP defined under the abnormal conditions with error situation under the agreement course of work, mainly defined 3 types of parameters: wrap overtime re-transmission time t; Overtime retransmission limit number of times m; Connect idle maximum time ti, will carry out unusual and fault processing from following four aspects.
1) flow control.TNP adopts fixedly send window, sends and accept window size all to be made as 1.C-Station only after receiving the correct respond packet ACK that S-Station sends, just sends next data request packet to each data request packet DT that sends.Like this, just realized flow control, and transmit leg only need preserve 1 and sent packet and be used for retransmitting, reduce taking of computational resource.
2) overtime re-transmission.TNP preestablishes network timeout respectively to message CR/DR/DT and retransmits time tcr/tdr/tdt.The network timeout re-transmission time of CR and DR is a bit larger tham packet round-trip delay RT T and gets final product; The response time that the network timeout re-transmission time of DT is a bit larger tham the DT bag of request maximum data piece gets final product.Reach the limited number of times m of setting like number of retransmissions, just initiate to break off the process that this time connects.
3) idle overtime disconnection connects.After client is connecting foundation, do not send the request of data message for a long time, surpass the idle maximum time ti of the connection of setting standby time, S-Station just active initiates to break off the process that this time connects.Its objective is to guarantee server resource by long-term idle, guarantee the service that provides to the fairness of all clients.
Break off when 4) makeing mistakes and connecting.In the process of data interaction; If test serial number mistake; Or receive can not reasonable dismissal data message, or the situation of the request of can not accomplishing appears in S-Station when handling the request of DT, can't accomplish the request of writing etc. like the conflict of visit disk unit, Insufficient disk space; Perceive a wrong side and can initiatively initiate to break off process of connection this time, rub-out signal is recorded in the conditional code of DR and passes to the other side.
What more than handle employing all is more direct method, but in metastable LAN environment, they can be worked efficiently.Adopt the controlling mechanism of ICP/IP protocol to compare with iSCSI; Carry out flow control like variable send window; Dynamically adjust the overtime retransmission algorithm of self adaptation of round-trip delay RTT according to the situation of network, it is less and effective that the TNP agreement realizes taking resource, and the latter is wanting better aspect the adaptability of network change; But network condition is comparatively stable in the LAN environment, and the requirement that agreement is adapted to the network change ability is lower.
The beneficial effect that technical scheme of the present invention is brought has:
1) network interconnection module is independent of outside the operating system, has guaranteed the reliability of the network interconnection;
2) operating system is downloaded from server through the TNP network, and system deployment and system's switching fast can be provided so very easily;
3) will calculate and storage concentrates on server end, and simplify the design of hardware and software at terminal, the hardware requirement to client is lower simultaneously, practices thrift cost.
To sum up; The invention provides a kind of transparent computing system; It comprises transparent server end, transparent network and transparent client, and mainly outstanding transparent client design stresses that the hardware cheapness property and the network interconnection of transparent client is independent of operating system; And the operating system of transparent client all is to connect to come from service end through existing network to download, and loads then.And on this basis, run application and obtain follow-up desired data.A design that main aspect is transparent network interconnection protocol TNP that the invention still further relates to, comprise communication protocol service primitive, data packet format, communication service process unusually, fault processing, the ensuring method of service quality.
More than the transparent computing system that the embodiment of the invention provided has been carried out detailed introduction; Used concrete example among this paper principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (4)
1. a transparent computing system is characterized in that, comprising:
Transparent client comprises hardware module, BIOS, TNP client modules, operating system and application program, and said hardware module, BIOS, TNP client modules are installed on the transparent client;
Transparent server end, various softwares and information resources that said transparent server end storage user needs, the transmission and the management of the scheduling of executing the task, the distribution of resource, data;
Transparent network, the TNP client modules of said transparent client is realized being connected with the communication of transparent server end through said transparent network;
Wherein, Said transparent client is dynamically downloaded and the load operation system from said transparent server end through said transparent network; The hardware that operating system after the loading is called with transparent client through driving carries out alternately, and application program obtains the service that operating system provides through system call.
2. transparent computing system according to claim 1 is characterized in that, said transparent server end has been deposited various operating system installation programs, and transparent client selects to download and load corresponding operating system through said transparent network.
3. transparent computing system according to claim 2; It is characterized in that; The driving of said operating system comprises that conventional I/O drives and the I/O driving of communicating by letter; Traditional I/O drives and is used for downloading and load control and the operation of back to the local hardware resource in operating system from transparent server end, and communication I/O drives and is used for being connected with transparent server end, and data transport service is provided.
4. transparent computing system according to claim 1 is characterized in that, said transparent network adopts the TNP clear transport protocol based on UDP, provide comprise connect, service that data, services, disconnection connect.
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| CN105045759A (en) * | 2015-07-23 | 2015-11-11 | 恒银金融科技股份有限公司 | Control communication method for financial self-service equipment |
| CN105511880A (en) * | 2015-12-11 | 2016-04-20 | 中南大学 | Transparent computing based intelligent software starting method |
| CN106126200A (en) * | 2016-06-13 | 2016-11-16 | 房玮 | A kind of cloud computing system that can remotely guide client computer |
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| CN104158857B (en) * | 2014-07-25 | 2017-10-27 | 中南大学 | A kind of apparatus and method that the service of networking operating system is provided |
| CN104158857A (en) * | 2014-07-25 | 2014-11-19 | 中南大学 | Device and method for providing networking operating system service |
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| CN105045759A (en) * | 2015-07-23 | 2015-11-11 | 恒银金融科技股份有限公司 | Control communication method for financial self-service equipment |
| CN105045759B (en) * | 2015-07-23 | 2020-10-27 | 恒银金融科技股份有限公司 | Control communication method of financial self-service equipment |
| CN105511880B (en) * | 2015-12-11 | 2019-03-26 | 中南大学 | A kind of software intelligent starting method based on lucidification disposal |
| CN105511880A (en) * | 2015-12-11 | 2016-04-20 | 中南大学 | Transparent computing based intelligent software starting method |
| CN106126200A (en) * | 2016-06-13 | 2016-11-16 | 房玮 | A kind of cloud computing system that can remotely guide client computer |
| CN106126200B (en) * | 2016-06-13 | 2019-07-19 | 房玮 | A kind of cloud computing system that can remotely guide client computer |
| CN106254638A (en) * | 2016-07-28 | 2016-12-21 | 湖南汇网通信息技术有限公司 | Intelligent terminal based on lucidification disposal starts method, system and intelligent self-service system |
| CN106549976A (en) * | 2016-12-09 | 2017-03-29 | 中南大学 | A kind of method for authenticating user identity and ' In System Reconfiguration Method suitable for transparent computing system |
| CN106549976B (en) * | 2016-12-09 | 2019-11-12 | 中南大学 | A kind of method for authenticating user identity and ' In System Reconfiguration Method suitable for transparent computing system |
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Application publication date: 20120912 |