CN107526595A

CN107526595A - A kind of method for supporting multiple operating system remote loading

Info

Publication number: CN107526595A
Application number: CN201710749958.4A
Authority: CN
Inventors: 张硕; 刘亚萍; 周谱德; 李少勇; 廖海宁
Original assignee: Central South University
Current assignee: Central South University
Priority date: 2017-08-28
Filing date: 2017-08-28
Publication date: 2017-12-29
Anticipated expiration: 2037-08-28
Also published as: CN107526595B

Abstract

A kind of method for supporting multiple operating system remote loading, purpose solve the problems, such as the remote loading how client efficiently carries out multiple operating system.Technical scheme is the quick loading host-host protocol QLTP of design, the multiple operating system remote loading server installation operation system remote loading service routine of service end, client installs QuickLoader and QuickDriver, service end is enabled first to load operating system nucleus for client according to the request of client, then kernel is run, file system and the application of operating system are reloaded, for users to use.It can realize that server and client side is deployed under same network segment or cross-network segment environment using the present invention, the quickly and easily remote loading of multiple operating system, and cause user to use a complete operating system at any time.

Description

A kind of method for supporting multiple operating system remote loading

Technical field

The present invention is for cloud computing, in Internet of Things field, the problem of network operating system remote loading, it is proposed that Yi Zhongzhi The method for holding multiple operating system remote loading.

Background technology

With cloud computing and the rapid development of Internet of Things and the appearance of various client devices, user thirsts for can be by each The client device of kind form obtains the various personalized services including operating system among network whenever and wherever possible.It is logical The one kind for crossing Web vector graphic operating system service is achieved in that cross-network segment uses operating system, wherein how in cross-network segment environment Under so that the remote loading that client device can efficiently carry out multiple operating system is key issue.

There are following several classes to the main solution method of the problem at present：First, traditional operating system remote loading technology master To include the RPL (Remote Initial Program Load, long-range to start service) and PXE of novell, inc. (Preboot Execution Enviroment, Pre-boot Execution Environment, for long-range start-up operation system, its specific composition See Argon companies in the white paper delivered in 2002 with function《What is PXE》Page 3)).RPL is using NetBEUI Communication protocol, if the wrong frame during transmission, RPL may require that whole data packet retransmission, and RPL is only applicable to support The guiding of single operation system.And PXE is RPL upgrades, TFTP (Trivial File Transfer are used Protocol, TFTP) FTP is used as, and TFTP is the simple protocol of a transmission file, its The purpose of design is to carry out small documents transmission, and it can only obtain or write file from file server, it is impossible to catalogue is listed, It can not be authenticated.2nd, the customizable operating system remote loading method based on lucidification disposal.What this method mainly solved is Improve client device Starting mode flexibility and availability issue, make user on a client device can according to oneself Demand selects and guided remote operating system.

By inquiring about the patent delivered both at home and abroad and disclosed document, it is related to without disclosed document with patent and passes through letter Change agreement, AOE (ATA over Ethernet, based on Ethernet hard-disk interface technical transmission agreement) message is packaged Mode, and multiple operating system remote loading system is built to realize the report of the technical scheme of the remote loading of operating system.

The content of the invention

The technical problem to be solved in the present invention be service end and client device under different network segment environment, client is set Standby the problem of how efficiently carrying out the remote loading of multiple operating system.For the technical problem, the present invention provides a kind of support The method of multiple operating system remote loading, make it in terms of the operating system load time, better than legacy operating system remote loading Method.

The technical scheme is that：

The quick loading host-host protocol QLTP (QuickLoader Transfer Protocol) of design, structure operating system Remote loading service routine, operating system nucleus remote loading program QuickLoader and operating system disk driver QuickDriver.In service end, service routine is loaded to multiple operating system remote loading server installation operation system remote； In client, QuickLoader and QuickDriver is installed so that service end can according to the request of client come Operating system is loaded for client.

The present invention specifically comprises the following steps：

The first step, design quick loading host-host protocol QLTP.QLTP is QuickLoader, QuickDriver and service end Between information transmission protocol.It is that the tunnel based on UDP (User Datagram Protocol, UDP) seals Agreement is filled, for realizing that AOE messages communicate on network.

QLTP protocol massages are by Ethernet heading, IP (Internet Protocol, Internet protocol) heading, UDP Heading, AOE messages composition.The content of Ethernet heading is identical with the content of Ethernet protocol heading；IP messages The content of head is identical with the content of IP agreement heading；The content of UDP headings and the content of udp protocol heading are complete It is identical；The form of AOE messages is identical with the form of existing AOE protocol massages, is made up of AOE headings and the part of data 2. AOE headings are identical with the heading form of existing AOE protocol massages, and the type codes included in AOE headings are used for area Divide the type of AOE messages.QLTP protocol massages are divided into six classes according to type codes：When the value of type codes is A, QLTP protocol massages For authentication QLTP messages, now data are username and password；When type codes are B, QLTP protocol massages are recognized for identity Result QLTP messages are demonstrate,proved, now data are the operating system list bound in user name；When type codes are C, QLTP associations It is that operating system selects QLTP messages to discuss message, and now data are the name of the operating system of client selection；When AOE type codes For D when, QLTP protocol massages be operating system nucleus transmit QLTP messages, now data be operating system image file in it is interior Core；When AOE type codes are E, QLTP protocol massages are disk operating QLTP messages, and now data are disk commands；When When AOE type codes are F, QLTP protocol massages are disk operating result QLTP messages, and now data are operating system mirror image File system and application in file.

Second step, builds multiple operating system remote loading system, the system by service end and groups of clients into.Service end refers to The server cluster of multiple operating system remote loading is provided, client refers to the intelligence being connected with server cluster by router and set Standby (such as self-aided terminal, registration machine, computer, mobile phone).Server cluster includes DHCP (Dynamic Host Configuration Protocol, DHCP) server, multiple operating system remote loading server, DHCP Server distributes IP address, multiple operating system remote loading server peace according to the DHCP request that client is sent to the client Equipped with operating system remote loading service routine, operating system is loaded according to client request.Server cluster may also include TFTP (Trivial File Transfer Protocol, TFTP) server tftp server is according to client Hold TFTP requests that QuickLoader is performed into file download to client；Run in client PXE modules QuickLoader, QuickDriver.QuickLoader is to the program of service end request of loading operating system nucleus, when there is tftp server It is storable on tftp server；QuickDriver is realized to the remote of file system in operating system image file and application The program of journey loading.PXE modules are the Pre-boot Execution Environment for long-range start-up operation system, by dhcp client and TFTP Groups of clients into.Dhcp client sends DHCP request to obtain client ip address (when there is TFTP services to Dynamic Host Configuration Protocol server The IP address of tftp server is also obtained during device)；When there is tftp server, TFTP clients are according to the IP of tftp server Location sends TFTP requests to load QuickLoader executable files to tftp server.

Service end operating system remote loading service routine is that client remote loads operating system, is passed by service client information Defeated module, service end user authentication management module, service end virtual disk service module, service end subscriber access administration module, Database forms.

Database includes user's table, accesses record sheet.User's table stores subscriber identity information and relative users may be selected Operating system list information, including 3 user name, password, operating system list domains, user's entry number is the number of user. User name refers to the account number name that user logs in client；Password refers to the password that user logs in client；Operating system list refers to service The list of types for the operating system that can be provided is provided.Access record sheet storage user access record, including user name, record the time, 4 action type, operating result domains.The implication of user name is identical with the user name implication in user's table；The record time refers to the use Time caused by record corresponding to name in an account book；Action type has 3 kinds, respectively authentication, down operation system kernel, disk Operation, 3 kinds of operations that corresponding client is asked to service end；Operating result have successfully and failure 2 kinds, successfully refer to authentication into Work(or the success of down operation system kernel or disk operating success, unsuccessfully refer to authentication failure or down operation system kernel lose Lose or disk operating fails；The size for accessing record sheet is the number that user accesses.

Service end information transmission modular and service end user authentication management module, service end virtual disk service module, visitor Family end is connected.Service end information transmission modular receives authentication QLTP messages from client and authentication QLTP messages is entered Row decapsulation, obtains AOE authentication messages, gives AOE authentications message transmissions to service end user authentication management module；And AOE authentication result messages are received from service end user authentication management module, by AOE authentication result messages It is packaged into identity authentication result QLTP messages and is sent to client.Service end information transmission modular operates from client reception of magnetic disc QLTP messages simultaneously decapsulate to message, obtain AOE disk operating messages, by AOE disk operating message transmissions to service end Virtual disk service module；And AOE disk operating result messages are received from virtual disk service module, AOE disks are grasped Deal with result message and be packaged into disk operating result QLTP messages and be sent to client.Service end information transmission modular is from client Termination, which is brought drill to an end, to be made Systematic selection QLTP messages and operating system selection QLTP messages is decapsulated, and obtains AOE operating systems Message is selected, gives AOE operating systems selection message transmissions to service end virtual disk service module；And from service end virtual disk Service module receives AOE operating system nucleus transmitting messages, and AOE operating system nucleus transmitting messages are packaged into operating system Core transmission QLTP messages are sent to client.Described decapsulation refers to QLTP messages being descapsulated into AOE messages, method be according to The secondary Ethernet heading removed in QLTP messages, IP headings, UDP headings, obtain AOE messages；Described encapsulation refers to AOE messages are encapsulated as QLTP messages, method is successively plus UDP headings, IP headings, ether network packet by AOE messages Head, obtain QLTP messages.

Service end user authentication management module and service end information transmission modular, service end subscriber access administration module, number It is connected according to storehouse.Service end user authentication management module is entered to the AOE authentication messages received from service end information transmission modular Row certification, i.e., by the user name in user's table in the data (i.e. user name, password) in AOE authentication messages and database, Password is compared, if user identity is legal, obtains operating system list corresponding to the user name, and this operating system list is protected In the data that AOE authentication result messages be present, and generate user and access record.If user identity is not in user's table In, then do-nothing operation system list is stored in AOE authentication results by authentification failure, service end user authentication management module In the data of message, and generate user and access record.AOE authentication result messages are returned into service end information transfer Module, user's access record is sent to service end subscriber access administration module.

Service end virtual disk service module and service end information transmission modular, service end subscriber access administration module phase Even.Service end virtual disk service module is according to the AOE disk operating message received from service end information transmission modular to service End disk is operated, and generation user accesses record and AOE disk operating result messages.When service end virtual disk service During module disk operating success, the file that service end virtual disk service module is read in is put into AOE disk operating results The data division of message, user accesses the user name of the entitled active client of user in record, the time completes for AOE disk operating Time (generate the user access record multiple operating system remote loading server present system time), action type It is success for AOE disk read operations, operating result.When service end virtual disk service module reads disk failure, disk is read Failure information is put into the data division of AOE disk operating result messages, and user accesses the entitled existing customer of user in record The user name at end, time are the time of AOE disk operating failure, action type is AOE disk read operations, operating result is mistake Lose.AOE disk operating result messages are returned into service end information transmission modular, user's access record is sent to service End subscriber access administration module.Service end virtual disk service module is grasped according to the AOE received from service end information transmission modular Make Systematic selection message and select AOE operating systems the data (i.e. the name of the operating system of client selection) in message with counting Contrasted according to the operating system list in the user's table of storehouse, if containing client selection in the operating system list in user's table Operating system, then the kernel in the operating system image file is put into the data division of AOE operating system nucleus transmitting messages, AOE operating system nucleus transmitting messages are returned into service end information transmission modular.

Service end subscriber access administration module and service end virtual disk service module, service end user authentication management mould Block, database are connected, and the user received from service end user authentication module is accessed into record and from service end virtual disk service The user of module accesses record storage into the access record sheet of database.

QuickLoader executable files can be directly mounted at client, may be alternatively stored on service end tftp server, By client downloads to while being no disk machine (such case be applied to client) is locally executed, QuickLoader is responsible for and service The interaction of operating system remote loading service routine is held, obtains and loads operating system nucleus.It by trawl performance module, QuickLoader information transmission modulars, QuickLoader initialization modules, user authentication and operating system selecting module composition.

Trawl performance module is connected with QuickLoader information transmission modulars, service end, and trawl performance module will be from Authentication QLTP messages, the operating system selection QLTP messages of QuickLoader information transmission modulars reception are sent to service End, and the authentication result QLTP messages received from service end, operating system nucleus transmission QLTP messages are sent to QuickLoader information transmission modulars.

QuickLoader information transmission modulars are connected with user authentication and operating system selecting module, trawl performance module. QuickLoader information transmission modulars from the AOE authentication messages of user authentication and the reception of operating system selecting module to entering Row encapsulates and the authentication QLTP messages obtained after encapsulation is sent into trawl performance module；QuickLoader information transfers Module is decapsulated and will obtained after decapsulation to the authentication result QLTP messages received from trawl performance module AOE authentication result messages be sent to user authentication and operating system selecting module；QuickLoader information transfers Module from the AOE operating systems selection message of user authentication and the reception of operating system selecting module to being packaged and by after encapsulation Obtained operating system selection QLTP messages are sent to trawl performance module；QuickLoader information transmission modulars are to from network interface card The AOE operating systems that the operating system nucleus transmission QLTP messages that drive module receives are decapsulated and will obtained after decapsulation Kernel transmitting message is sent to user authentication and operating system selecting module.

QuickLoader initialization modules are connected with the dhcp client in PXE modules, and it obtains more from dhcp client Operating system remote loading server ip address, client ip address, then according to multiple operating system remote loading server ip Address obtains the MAC Address of multiple operating system remote loading server.

User authentication and operating system selecting module are connected with QuickLoader information transmission modulars.User authentication and Operating system selecting module generates AOE authentications message and AOE authentication messages is sent into QuickLoader information and passes Defeated module, the AOE authentication result messages beamed back by QuickLoader information transmission modulars are received, according to AOE identity The data division of authentication processing result message obtains operating system list, and operating system list is illustrated in into client end interface On, after user is received in the operating system selected on client end interface, the OS name for selecting to obtain is put into AOE Data division in operating system selection message, AOE operating systems selection message is sent to QuickLoader information transfer moulds Block；User authentication and operating system selecting module are received in the AOE operating systems beamed back by QuickLoader information transmission modulars Core transmitting message, the data division in AOE operating system nucleus transmitting messages obtain operating system nucleus.

QuickDriver is the part of operating system nucleus, and pass through QLTP messages during operation is with service end operation Remote loading service routine of uniting interacts.It is by QuickDriver initialization modules, QuickDriver information transmission modulars, virtual Disk drive standard routines module, network card interface module composition.

Network card interface module is connected with QuickDriver information transmission modulars, service end.Network card interface module will be from The disk operating QLTP messages that QuickDriver information transmission modulars receive are sent to service end, and will be received from service end Disk operating result QLTP messages are sent to QuickDriver information transmission modulars.

QuickDriver information transmission modulars are connected with network card interface module, virtual disk driver standard routines module. QuickDriver information transmission modulars receive AOE disk operating messages from virtual disk driver standard routines module, by AOE magnetic Disk operation message is encapsulated as disk operating QLTP messages, and disk operating QLTP messages are sent into network card interface module； The disk operating result QLTP messages received from network card interface module are descapsulated into by QuickDriver information transmission modulars AOE disk operating result messages, and AOE disk operating result messages are sent to virtual disk driver standard routines mould Block.QuickDriver initialization modules obtain multiple operating system remote loading server ip address, client ip address, according to Multiple operating system remote loading server ip address obtains the MAC Address of multiple operating system remote loading server.(due to After QuickDriver loadings, operating system is deployed and loaded in client's end memory, and former Quickloader is coated to Lid, it is therefore desirable to reacquire IP address and MAC Address.)

Virtual disk driver standard routines module is connected with QuickDriver information transmission modulars.Virtual disk driver mark AOE disk operating messages are sent to QuickDriver information transmission modulars by quasi- routine module, are passed from QuickDriver information Defeated module receives AOE disk operating result messages.

3rd step, multiple operating system remote loading is completed using multiple operating system remote loading system, specific method is：

3.1 clients operation QuickLoader performs file, and method is：If it is stored with QuickLoader in client to hold Style of writing part, then directly run, and turns 3.2；If QuickLoader performs file and is stored on tftp server, turn 3.1.13.1.1 The dhcp client of client PXE modules sends DHCP request to Dynamic Host Configuration Protocol server.

3.1.2 service end Dynamic Host Configuration Protocol server is according to the DHCP request received from client, distribute client ip address and Tftp server ip address, and client ip address and tftp server ip address are sent to dhcp client.

3.1.3 the tftp server ip address that the TFTP clients of client PXE modules are obtained according to 3.1.2 is with the IP Tftp server corresponding to location connects, and asks download QuickLoader to perform file to the tftp server.

3.1.4 QuickLoader execution files are sent to the TFTP clients of client, client by tftp server Run QuickLoader and perform file.

3.2 QuickLoader initialization modules start, and complete netinit work, and method is：

QuickLoader initialization modules from dhcp client obtain multiple operating system remote loading server ip address, Client ip address, multiple operating system remote loading service is then obtained according to multiple operating system remote loading server ip address The MAC Address of device.3.3QuickLoader initiates authenticating user identification to service end, and service end carries out authenticating user identification, and Client constructor Systematic selection QLTP messages, are comprised the following steps that：

3.3. 1QuickLoader structures and (refer to multiple operating system remote loading server and possess 3.2 steps and obtain MAC The multiple operating system remote loading server of address) authentication QLTP messages are sent, method is：

3.3.1.1 QuickLoader user authentication and operating system selecting module receive the user of user's input from keyboard Name and password, username and password is put into the data division of AOE authentication messages, forms AOE authentication messages, and will AOE authentication messages are sent to QuickLoader information transmission modulars；

3.3.1.2 QuickLoader information transmission modulars are packaged to the AOE authentication messages received, encapsulation When the MAC Address of multiple operating system remote loading server is put into Ethernet heading, by client ip address, multioperation system System remote loading server ip address is put into IP agreement heading, and the authentication QLTP messages obtained after encapsulation are sent to Trawl performance module；

3.3.1.3 trawl performance module sends authentication QLTP messages to multiple operating system remote loading server.

3.3.2 after service end receives authentication QLTP messages, authenticating user identification is carried out, method is：

3.3.2.1 the server info transport module of multiple operating system remote loading server receives authentication QLTP reports Text, deblocking dress up AOE authentication messages, AOE authentication messages are issued into service end user authentication management module；

3.3.2.2 service end user authentication management module from AOE authentication message data extracting sections go out user name and Encrypted message, and be compared with the username and password in user's table in database, if being found in user's table and AOE identity Username and password identical username and password combines (i.e. username and password all same) in message identifying, then user identity It is legal, operating system list corresponding to the user name is obtained, this operating system list is stored in AOE authentication results In the data of message, and generate user access record, the user access record in the entitled active client of user user name, when Between for authentication complete time (generate the user access record multiple operating system remote loading server current system Unite the time), action type be authentication operation, operating result be success.If do not found in user's table and AOE authentications User name in message, password identical username and password combination (i.e. user name or password any one differ), then certification Do-nothing operation system list is stored in the number of AOE authentication result messages by failure, service end user authentication management module In, and generate user and access record, the user name of the entitled active client of user, time are identity during user access records Certification report lost property to the authorities the time lost, action type be authentication operation, operating result be failure.By AOE authentication results Message returns to service end information transmission modular, and user's access record is sent into service end subscriber access administration module.

3.3.2.3 service end subscriber access administration module and user is accessed to the access record sheet recorded in deposit database；

3.3.2.4 AOE authentication result messages are packaged into authentication processing by service end information transmission modular As a result QLTP messages, and authentication result QLTP messages are sent to client.

3.3.3 client receives authentication result QLTP messages, according to authentication result QLTP messages Constructor Systematic selection QLTP messages, method are as follows：

3.3.3.1 QuickLoader trawl performance module gives authentication result QLTP messages QuickLoader information transmission modulars；

3.3.3.2 QuickLoader information transmission modulars decapsulate to authentication result QLTP messages, Give the AOE authentication result messages that decapsulation obtains to user authentication and operating system selecting module；

3.3.3.3 user authentication and operating system selecting module are sentenced according to the data of AOE authentication result messages It is disconnected, if operating system list is not sky in data, operating system list is extracted, turns 3.3.3.4；If operated in data System list is sky, then prompts user name or Password Input mistake, turn 3.3.1 and re-start authentication；

3.3.3.4 the operating system that user authentication and operating system selecting module select according to the user received from keyboard (i.e. the name of the operating system of client selection), the name of the operating system of client selection is put into the choosing of AOE operating systems The data division of message, construction AOE operating system selection messages are selected, and AOE operating systems selection message is sent to QuickLoader information transmission modulars；

3.3.3.5 QuickLoader information transmission modulars are packaged to AOE operating systems selection message, will during encapsulation The MAC Address of multiple operating system remote loading server is put into Ethernet heading, and client ip address, multiple operating system is remote Journey load server IP address is put into IP agreement heading, and the operating system selection QLTP messages that encapsulation is obtained are sent to network interface card Drive module；

3.3.3.6 operating system selection QLTP messages are sent to service end by trawl performance module.

3.4 service ends select QLTP message selection operation systems according to operating system, obtain operating system nucleus transmission QLTP messages, method are：

3.4.1 service end information transmission modular decapsulates to the operating system selection QLTP messages received, will unseal Fill obtained AOE operating systems selection message and issue service end virtual disk service module；

3.4.2 after service end virtual disk service module receives AOE operating systems selection message, according to AOE operating systems The data division of message is selected from local disk (i.e. the disk of multiple operating system remote loading server) selection operation system, and Kernel in selected operating system image file is put into the data division of AOE operating system nucleus transmitting messages, AOE is operated System kernel transmitting message is sent to service end information transmission modular；

Meanwhile service end virtual disk service module generation user accesses record, the user of the entitled active client of user Name, the time be operating system selection complete time (i.e. operating system selection completion when multiple operating system remote loading server Present system time), action type be operating system selection operation, operating result be success.User is accessed into record to send Give service end subscriber access administration module；

3.4.3 the access record sheet that end subscriber access administration module accesses the user received record deposit database is serviced In；

3.4.4 AOE operating system nucleus transmitting messages are packaged into operating system nucleus and passed by service end information transmission modular Defeated QLTP messages, operating system nucleus transmission QLTP messages are sent to client, by multiple operating system remote loading during encapsulation The MAC Address of server is put into Ethernet heading, by client ip address, multiple operating system remote loading server ip address It is put into IP agreement heading.

3.5 QuickLoader processing operating system nucleus transmission QLTP messages, obtain operating system nucleus, and start behaviour Make system, method is as follows：

3.5.1 the operating system nucleus received transmission QLTP messages are sent to by QuickLoader NIC drivers QuickLoader information transmission modulars；

3.5.2 QuickLoader information transmission modulars decapsulate to operating system nucleus transmission QLTP messages, will Decapsulate obtained AOE operating system nucleus transmitting messages and give user authentication and operating system selecting module；

3.5.3 the data of user authentication and operating system selecting module from the AOE operating system nucleus transmitting messages received In extract operating system nucleus, start-up operation system.Because QuickDriver is in operating system nucleus, start-up operation system QuickDriver is just started while system.

3.6 QuickDriver initialization modules start, and complete initial work, and method is：

QuickDriver initialization modules from dhcp client obtain multiple operating system remote loading server ip address, Client ip address, multiple operating system remote loading service is then obtained according to multiple operating system remote loading server ip address The MAC Address of device.

3.7 QuickDriver construct disk operating QLTP messages, and the message is sent into service end, and method is as follows：

3.7.1 QuickDriver virtual disk drivers standard routines module instructs the disk operating of user customer AOE disk operating messages are configured to, and AOE disk operating messages are sent to QuickDriver information transmission modulars；

3.7.2 the AOE messages are packaged into disk operating QLTP messages by QuickDriver information transmission modulars, by disk Operation QLTP messages are sent to network card interface module, are put into the MAC Address of multiple operating system remote loading server during encapsulation Ethernet heading, client ip address, multiple operating system remote loading server ip address are put into IP agreement heading；

3.7.3 disk operating QLTP messages are sent to multiple operating system remote loading server and (referred to by network card interface module Possess the multiple operating system remote loading server that 3.2 steps obtain MAC Address).

3.8 service ends carry out disk operating according to the disk operating QLTP messages received, and method is as follows：

3.8.1 service end information transmission modular decapsulates to disk operating QLTP messages, the AOE that decapsulation is obtained Disk operating message is sent to service end virtual disk service module；

3.8.2 after service end virtual disk service module receives AOE disk operating messages, from AOE disk operating messages Data division extracts disk operating instruction, and carries out read operation to the disk of multiple operating system remote loading server, will read File system in the operating system image file taken is put into the data division of AOE disk operating result messages with application, AOE disk operating result messages are configured to, AOE disk operating result messages are sent to service end information transfer mould Block；Meanwhile service end virtual disk service module generation user accesses record, the user name of the entitled active client of user, magnetic The disk operating time is that disk is read out the time of completion, disk operating is that disk is read out, disk operating result is Success, user's access record is sent to service end subscriber access administration module；

3.8.3 service in the access record sheet that end subscriber access administration module accesses the user record deposit database；

3.8.4 AOE disk operating result messages are packaged into disk operating processing knot by service end information transmission modular Fruit QLTP messages, disk operating result QLTP messages are sent to client.

3.9 QuickDriver obtain the file of operating system according to the disk operating result QLTP messages received System and application, handling process are as follows：

3.9.1 disk operating result QLTP messages are sent to by QuickDriver network card interfaces module QuickDriver information transmission modulars；

3.9.2 QuickDriver information transmission modulars decapsulate to disk operating result QLTP messages, will Decapsulate obtained AOE disk operating result messages and be sent to virtual disk driver standard routines module；

3.9.3 QuickDriver virtual disk drivers standard routines module receives AOE disk operating result messages Afterwards, the data division of AOE disk operating result messages is taken out, file system and the application of operating system are obtained, for client The user at end uses.

Following technique effect can be reached using the present invention：

1. it can realize that server and client side is deployed under same network segment or cross-network segment environment using the present invention, multioperation system The remote loading of system.

2. the download and execution to operating system nucleus are not only completed using the present invention, and into operating system File system and application download so that user can use a complete operating system at any time.

3. due to carrying out information transfer using QLTP agreements, the information transfer of traditional Remote record operating system is simplified Protocol stack so that information transfer simplicity is smooth.

Brief description of the drawings

Fig. 1 is the QLTP message structure figures of first step structure of the present invention；

Fig. 2 is the multiple operating system remote loading system overall construction drawing of second step structure of the present invention；

Fig. 3 is operating system remote loading server software structure chart of the present invention；

Fig. 4 is the network startup program QuickLoader software architecture diagrams of remote loading operating system of the present invention；

Fig. 5 is operating system virtual disk driver QuickDriver software architecture diagrams of the present invention；

Fig. 6 is overview flow chart of the present invention.

Embodiment

Fig. 6 is overview flow chart of the present invention.As shown in fig. 6, the present invention comprises the following steps：

The first step, design quick loading host-host protocol QLTP.As shown in figure 1, QLTP protocol massages by Ethernet heading, IP headings, UDP headings, AOE messages composition.The content of Ethernet heading and the content of Ethernet protocol heading are complete It is identical；The content of IP headings is identical with the content of IP agreement heading；The content of UDP headings and udp protocol message The content of head is identical；The form of AOE messages is identical with the form of existing AOE protocol massages, by AOE heading sums Formed according to 2 parts.AOE headings are identical with the heading form of existing AOE protocol massages, included in AOE headings Type codes are used for the type for distinguishing AOE messages.It is divided into six classes according to type codes QLTP protocol massages：When the value of type codes is A, QLTP protocol massages are authentication QLTP messages, and now data are username and password；When type codes are B, QLTP agreements Message is authentication result QLTP messages, and now data are the operating system list bound in user name；Work as type codes For C when, QLTP protocol massages be operating system select QLTP messages, now data be client selection operating system name Word；When AOE type codes are D, QLTP protocol massages are that operating system nucleus transmits QLTP messages, and now data are operating system Kernel；When AOE type codes are E, QLTP protocol massages are disk operating QLTP messages, and now data are ordered for disk operating Order；When AOE type codes are F, QLTP protocol massages are disk operating result QLTP messages, and now data are operating system File system and application.

Second step, multiple operating system remote loading system is built, the system is as shown in Fig. 2 by service end and groups of clients Into.Service end refers to the server cluster for providing multiple operating system remote loading, and client refers to passes through router with server cluster Connected smart machine.Server cluster includes Dynamic Host Configuration Protocol server, multiple operating system remote loading server, Dynamic Host Configuration Protocol server root IP address is distributed to the client according to the DHCP request that client is sent, multiple operating system remote loading server is provided with operation System remote loads service routine, and operating system is loaded according to client request.Server cluster may also include tftp server (dashed box drawn in Fig. 2, represent that the server is alternative and use), tftp server is asked according to client TFTP will QuickLoader performs file download to client；PXE modules, QuickLoader, QuickDriver are run in client. QuickLoader is to the program of service end request of loading operating system nucleus, and TFTP is storable in when there is tftp server On server；QuickDriver is realized to file system in operating system image file and the program of the remote loading of application. PXE modules are the Pre-boot Execution Environment for long-range start-up operation system, by dhcp client and TFTP groups of clients into. Dhcp client sends DHCP request to Dynamic Host Configuration Protocol server and (also obtained when there is tftp server with obtaining client ip address The IP address of tftp server)；When there is tftp server, TFTP clients take according to the IP address of tftp server to TFTP Business device sends TFTP requests to load QuickLoader executable files.

As shown in figure 3, service end operating system remote loading service routine, which is client remote, loads operating system, by taking Business client information transport module, service end user authentication management module, service end virtual disk service module, service end subscriber access Management module, database composition.

Service end information transmission modular and service end user authentication management module, service end virtual disk service module, visitor Family end is connected.Service end information transmission modular receives authentication QLTP messages from client and authentication QLTP messages is entered Row decapsulation, obtains AOE authentication messages, gives AOE authentications message transmissions to service end user authentication management module；And AOE authentication result messages are received from service end user authentication management module, by AOE authentication result messages It is packaged into identity authentication result QLTP messages and is sent to client.Service end information transmission modular operates from client reception of magnetic disc QLTP messages simultaneously decapsulate to message, obtain AOE disk operating messages, by AOE disk operating message transmissions to service end Virtual disk service module；And the AOE disk operating result messages received from virtual disk service module, by AOE disks Operation result message is packaged into disk operating result QLTP messages and is sent to client.Service end information transmission modular is from visitor Family termination, which is brought drill to an end, to be made Systematic selection QLTP messages and operating system selection QLTP messages is decapsulated, and obtains AOE operations system System selection message, give AOE operating systems selection message transmissions to service end virtual disk service module；And from service end virtual magnetic Disk service module receives AOE operating system nucleus transmitting messages, and AOE operating system nucleus transmitting messages are packaged into operating system Kernel transmission QLTP messages are sent to client.

Service end virtual disk service module and service end information transmission modular, service end subscriber access administration module phase Even.Service end virtual disk service module is according to the AOE disk operating message received from service end information transmission modular to service End disk is operated, and generation user accesses record and AOE disk operating result messages.When service end virtual disk service During module disk operating success, the file that service end virtual disk service module is read in is put into AOE disk operating results The data division of message, user accesses the user name of the entitled active client of user in record, the time completes for AOE disk operating Time (generate the user access record multiple operating system remote loading server present system time), action type It is success for AOE disk read operations, operating result.When service end virtual disk service module reads disk failure, disk is read Failure information is put into the data division of AOE disk operating result messages, and user accesses the entitled existing customer of user in record The user name at end, time are the time of AOE disk operating failure, action type is AOE disk read operations, operating result is mistake Lose.AOE disk operating result messages are returned into service end information transmission modular, user's access record is sent to service End subscriber access administration module.Service end virtual disk service module is grasped according to the AOE received from service end information transmission modular Make Systematic selection message and select AOE operating systems the data (i.e. the name of the operating system of client selection) in message with counting Contrasted according to the operating system list in the user's table of storehouse, if containing client selection in the operating system list in user's table Operating system, then the kernel portion in the operating system image file is put into the data of AOE operating system nucleus transmitting messages Part, AOE operating system nucleus transmitting messages are returned into service end information transmission modular.

As shown in figure 4, QuickLoader by trawl performance module, QuickLoader information transmission modulars, QuickLoader initialization modules, user authentication and operating system selecting module composition.

QuickLoader initialization modules from dhcp client obtain multiple operating system remote loading server ip address, Client ip address, multiple operating system remote loading service is then obtained according to multiple operating system remote loading server ip address The MAC Address of device.

As shown in figure 5, QuickDriver by QuickDriver initialization modules, QuickDriver information transmission modulars, Virtual disk driver standard routines module, network card interface module composition.

QuickDriver information transmission modulars are connected with network card interface module, virtual disk driver standard routines module. QuickDriver information transmission modulars receive AOE disk operating messages from virtual disk driver standard routines module, by AOE magnetic Disk operation message is encapsulated as disk operating QLTP messages, and disk operating QLTP messages are sent into network card interface module； The disk operating result QLTP messages received from network card interface module are descapsulated into by QuickDriver information transmission modulars AOE disk operating result messages, and AOE disk operating result messages are sent to virtual disk driver standard routines mould Block.

QuickDriver initialization modules from dhcp client obtain multiple operating system remote loading server ip address, Client ip address, multiple operating system remote loading server is obtained according to multiple operating system remote loading server ip address MAC Address.

3.1 clients operation QuickLoader performs file, and method is：If it is stored with QuickLoader in client to hold Style of writing part, then directly run, and turns 3.2；If QuickLoader performs file and is stored on tftp server, turn 3.1.1；

3.1.1 the dhcp client of client PXE modules sends DHCP request to Dynamic Host Configuration Protocol server.

3.3 QuickLoader initiate authenticating user identification to service end, and service end carries out authenticating user identification, and client Constructor Systematic selection QLTP messages are held, are comprised the following steps that：

3.3.1 QuickLoader structures and (refer to multiple operating system remote loading server and possess 3.2 steps and obtain MAC The multiple operating system remote loading server of address) authentication QLTP messages are sent, method is：

3.3.1.2 QuickLoader information transmission modulars are packaged and incited somebody to action to the AOE authentication messages received The authentication QLTP messages obtained after encapsulation are sent to trawl performance module, service multiple operating system remote loading during encapsulation The MAC Address of device is put into Ethernet heading, and client ip address, multiple operating system remote loading server ip address are put into IP agreement heading；

3.3.3.3 user authentication and operating system selecting module are sentenced according to the data of AOE authentication result messages It is disconnected, if operating system list is not sky in data, operating system list is extracted, turns 3.3.3.4；If operated in data System list is sky, then prompts user name or Password Input mistake, turn 3.3.1.1 and re-start authentication；

3.3.3.5 QuickLoader information transmission modulars are packaged to AOE operating systems selection message, will be encapsulated To operating system selection QLTP messages be sent to trawl performance module, by multiple operating system remote loading server during encapsulation MAC Address is put into Ethernet heading, and client ip address, multiple operating system remote loading server ip address are put into IP associations Discuss heading；

3.4.4 AOE operating system nucleus transmitting messages are packaged into operating system nucleus and passed by service end information transmission modular Defeated QLTP messages, operating system nucleus transmission QLTP messages are sent to client.By multiple operating system remote loading during encapsulation The MAC Address of server is put into Ethernet heading, by client ip address, multiple operating system remote loading server ip address It is put into IP agreement heading.

3.5QuickLoader processing operating system nucleus transmission QLTP messages, obtain operating system nucleus, and start behaviour Make system, method is as follows：

3.5.3 the data of user authentication and operating system selecting module from the AOE operating system nucleus transmitting messages received In extract operating system nucleus, start-up operation system, while start QuickDriver.

3.8.2 after service end virtual disk service module receives AOE disk operating messages, from AOE disk operating messages Data division extracts disk operating instruction, and carries out read operation to the disk of multiple operating system remote loading server, will read File system in the operating system image file taken is put into the data portion of AOE disk operating result messages with application obscure portions Point, AOE disk operating result messages are configured to, AOE disk operating result messages are sent into service client information passes Defeated module；Meanwhile service end virtual disk service module generation user accesses record, the user of the entitled active client of user Name, disk operating time are that disk is read out the time of completion, disk operating is that disk is read out, disk operating processing is tied Fruit is successfully, user's access record to be sent into service end subscriber access administration module；

Claims

A kind of 1. method for supporting multiple operating system remote loading, it is characterised in that comprise the following steps；

The first step, quick loading host-host protocol QLTP is designed, it is the tunnel encapsulation association based on the i.e. UDPs of UDP View；QLTP protocol massages by Ethernet heading, IP headings be internet protocol message head, UDP headings, AOE messages i.e. Formed based on Ethernet hard-disk interface technical transmission protocol massages；The AOE messages are made up of AOE headings and the part of data 2； The type codes for being used for distinguishing AOE type of messages are included in AOE headings, QLTP protocol massages are divided into six classes according to type codes：When When the value of type codes is A, QLTP protocol massages are authentication QLTP messages, and now data are username and password；Work as type When code is B, QLTP protocol massages are authentication result QLTP messages, and now data are the operation system bound in user name System list；When type codes are C, QLTP protocol massages are that operating system selects QLTP messages, and now data select for client Operating system name；When AOE type codes are D, QLTP protocol massages are that operating system nucleus transmits QLTP messages, now Data are the kernel in operating system image file；When AOE type codes are E, QLTP protocol massages are reported for disk operating QLTP Text, now data are disk commands；When AOE type codes are F, QLTP protocol massages are disk operating result QLTP Message, now data are the file system in operating system image file and application；

Second step, builds multiple operating system remote loading system, the system by service end and groups of clients into；Service end refers to offer The server cluster of multiple operating system remote loading, client refer to the smart machine being connected with server cluster by router； Server cluster is Dynamic Host Configuration Protocol server, multiple operating system remote loading server including Dynamic Host Configuration Protocol server, Dynamic Host Configuration Protocol server distributes IP address, multiple operating system remote loading service according to the DHCP request that client is sent to the client Device is provided with operating system remote loading service routine, and operating system is loaded according to client request；PXE moulds are run in client Block, QuickLoader, QuickDriver；QuickLoader is the program to service end request of loading operating system nucleus； QuickDriver is realized to file system in operating system image file and the program of the remote loading of application；PXE modules are For the Pre-boot Execution Environment of long-range start-up operation system, the dhcp client in PXE modules is sent to Dynamic Host Configuration Protocol server DHCP request is to obtain the IP address of client；

Service end operating system remote loading service routine is that client remote loads operating system, by service end information transfer mould Block, service end user authentication management module, service end virtual disk service module, service end subscriber access administration module, data Storehouse forms；

Database includes user's table, accesses record sheet；User's table stores subscriber identity information and the selectable behaviour of relative users Make system list information, including 3 user name, password, operating system list domains, user's entry number is the number of user；User Name refers to the account number name that user logs in client；Password refers to the password that user logs in client；Operating system list refers to service end energy The list of types of the operating system of offer；Access record sheet storage user and access record, including user name, record time, operation 4 type, operating result domains；The implication of user name is identical with the user name implication in user's table；The record time refers to the user name Time caused by corresponding record；Action type has 3 kinds, respectively authentication, down operation system kernel, disk behaviour Make, 3 kinds of operations that corresponding client is asked to service end；Operating result has successfully and failed 2 kinds, successfully refers to authentication success Or the success of down operation system kernel or disk operating success, unsuccessfully refer to authentication failure or the failure of down operation system kernel Or disk operating failure；The size for accessing record sheet is the number that user accesses；

Service end information transmission modular and service end user authentication management module, service end virtual disk service module, client It is connected；Service end information transmission modular receives authentication QLTP messages from client and authentication QLTP messages is solved Encapsulation, obtains AOE authentication messages, gives AOE authentications message transmissions to service end user authentication management module；And from clothes End subscriber authentication management module of being engaged in receives AOE authentication result messages, and AOE authentication results message is encapsulated Client is sent into identity authentication result QLTP messages；Service end information transmission modular operates QLTP from client reception of magnetic disc Message simultaneously decapsulates to message, obtains AOE disk operating messages, and AOE disk operating message transmissions are virtual to service end Disk service module；And AOE disk operating result messages are received from virtual disk service module, at AOE disk operating Reason result message is packaged into disk operating result QLTP messages and is sent to client；Service end information transmission modular terminates from client Bring drill to an end and make Systematic selection QLTP messages and operating system selection QLTP messages are decapsulated, obtain the selection of AOE operating systems Message, give AOE operating systems selection message transmissions to service end virtual disk service module；And from service end virtual disk service Module receives AOE operating system nucleus transmitting messages, and AOE operating system nucleus transmitting messages are packaged into operating system nucleus passes Defeated QLTP messages are sent to client；

Service end user authentication management module and service end information transmission modular, service end subscriber access administration module, database It is connected.Service end user authentication management module is recognized the AOE authentication messages received from service end information transmission modular Card, i.e., it is that user name in user name, password and database in user's table, password enter by the data in AOE authentication messages Row compares, if user identity is legal, obtains operating system list corresponding to the user name, this operating system list is stored in In the data of AOE authentication result messages, and generate user and access record；If user identity not in user's table, Do-nothing operation system list is stored in AOE authentication result messages by authentification failure, service end user authentication management module Data in, and generate user access record；AOE authentication result messages are returned into service end information transfer mould Block, user's access record is sent to service end subscriber access administration module；

Service end virtual disk service module is connected with service end information transmission modular, service end subscriber access administration module；Clothes End virtual disk service module of being engaged in is according to the AOE disk operating message received from service end information transmission modular to service end disk Operated, generation user accesses record and AOE disk operating result messages；When service end virtual disk service module magnetic When disk is operated successfully, the file that service end virtual disk service module is read in is put into AOE disk operating result messages Data division, user accesses the user name of the entitled active client of user in record, the time be AOE disk operating complete when Between, action type be AOE disk read operations, operating result be success；When service end virtual disk service module reads disk failure When, disk reading failure information is put into the data divisions of AOE disk operating result messages, user accesses user name in record For the user name of active client, time be AOE disk operating failure time, action type be AOE disk read operations, operation As a result it is failure；AOE disk operating result messages are returned into service end information transmission modular, user is accessed into record hair Give service end subscriber access administration module；Service end virtual disk service module receives according to from service end information transmission modular AOE operating systems selection message to AOE operating systems select message in data be client selection operating system name Word is contrasted with the operating system list in database user table, if containing client in the operating system list in user's table The operating system of selection, then the kernel in the operating system image file is put into the number of AOE operating system nucleus transmitting messages According to part, AOE operating system nucleus transmitting messages are returned into service end information transmission modular；

Service end subscriber access administration module and service end virtual disk service module, service end user authentication management module, number It is connected according to storehouse, the user received from service end user authentication module is accessed into record and from service end virtual disk service module User accesses record storage into the access record sheet of database；

QuickLoader is responsible for interacting with service end operating system remote loading service routine, obtains and loads remote operation system System kernel；It is recognized by trawl performance module, QuickLoader information transmission modulars, QuickLoader initialization modules, user Card and operating system selecting module composition；

Trawl performance module is connected with QuickLoader information transmission modulars, service end, and trawl performance module will be from Authentication QLTP messages, the operating system selection QLTP messages of QuickLoader information transmission modulars reception are sent to service End, and the authentication result QLTP messages received from service end, operating system nucleus transmission QLTP messages are sent to QuickLoader information transmission modulars；

QuickLoader information transmission modulars are connected with user authentication and operating system selecting module, trawl performance module； QuickLoader information transmission modulars from the AOE authentication messages of user authentication and the reception of operating system selecting module to entering Row encapsulates and the authentication QLTP messages obtained after encapsulation is sent into trawl performance module；QuickLoader information transfers Module is decapsulated and will obtained after decapsulation to the authentication result QLTP messages received from trawl performance module AOE authentication result messages be sent to user authentication and operating system selecting module；QuickLoader information transfers Module from the AOE operating systems selection message of user authentication and the reception of operating system selecting module to being packaged and by after encapsulation Obtained operating system selection QLTP messages are sent to trawl performance module；QuickLoader information transmission modulars are to from network interface card The AOE operating systems that the operating system nucleus transmission QLTP messages that drive module receives are decapsulated and will obtained after decapsulation Kernel transmitting message is sent to user authentication and operating system selecting module；

QuickLoader initialization modules are connected with the dhcp client in PXE modules, and multioperation system is obtained from dhcp client System remote loading server ip address, client ip address, are then obtained according to multiple operating system remote loading server ip address Obtain the MAC Address of multiple operating system remote loading server；

User authentication and operating system selecting module are connected with QuickLoader information transmission modulars；User authentication and operation Systematic selection module generates AOE authentications message and AOE authentication messages is sent into QuickLoader information transfer moulds Block, the AOE authentication result messages beamed back by QuickLoader information transmission modulars are received, according to AOE authentications The data division of result message obtains operating system list, and operating system list is illustrated on client end interface, when After receiving the operating system that user selects on client end interface, the OS name for selecting to obtain is put into AOE operations Data division in Systematic selection message, AOE operating systems selection message is sent to QuickLoader information transmission modulars； User authentication and operating system selecting module receive the AOE operating system nucleus beamed back by QuickLoader information transmission modulars Transmitting message, the data division in AOE operating system nucleus transmitting messages obtain operating system nucleus；

QuickDriver is the part of operating system nucleus, remote by QLTP messages and service end operating system during operation Journey loading service routine interaction, it is by QuickDriver initialization modules, QuickDriver information transmission modulars, virtual disk Drive standard routines module, network card interface module composition；

Network card interface module is connected with QuickDriver information transmission modulars, service end, and network card interface module will be from The disk operating QLTP messages that QuickDriver information transmission modulars receive are sent to service end, and will be received from service end Disk operating result QLTP messages are sent to QuickDriver information transmission modulars；

QuickDriver information transmission modulars are connected with network card interface module, virtual disk driver standard routines module, QuickDriver information transmission modulars receive AOE disk operating messages from virtual disk driver standard routines module, by AOE magnetic Disk operation message is encapsulated as disk operating QLTP messages, and disk operating QLTP messages are sent into network card interface module； The disk operating result QLTP messages received from network card interface module are descapsulated into by QuickDriver information transmission modulars AOE disk operating result messages, and AOE disk operating result messages are sent to virtual disk driver standard routines mould Block；QuickDriver initialization modules are connected with the dhcp client in PXE modules, and multioperation system is obtained from dhcp client System remote loading server ip address, client ip address, obtained according to multiple operating system remote loading server ip address more The MAC Address of operating system remote loading server；

Virtual disk driver standard routines module is connected with QuickDriver information transmission modulars, virtual disk driver standard example AOE disk operating messages are sent to QuickDriver information transmission modulars by journey module, from QuickDriver information transfer moulds Block receives AOE disk operating result messages；

3rd step, multiple operating system remote loading is completed using multiple operating system remote loading system, specific method is：

3.1 clients operation QuickLoader performs file；

3.2 QuickLoader initialization modules start, and complete netinit work, and method is：

QuickLoader initialization modules obtain multiple operating system remote loading server ip address, client from dhcp client IP address is held, multiple operating system remote loading server is then obtained according to multiple operating system remote loading server ip address MAC Address；

3.3 QuickLoader initiate authenticating user identification to service end, and service end carries out authenticating user identification, and client structure Manufacturing operation Systematic selection QLTP messages, are comprised the following steps that：

3.3.1 QuickLoader structure and to possess 3.2 steps obtain MAC Address multiple operating system remote loading server hair Send authentication QLTP messages；

3.3.2 after service end receives authentication QLTP messages, authenticating user identification is carried out, obtains AOE authentications processing As a result message and generate user access record, AOE authentication result messages are packaged into authentication result QLTP messages, and authentication result QLTP messages are sent to client, user is accessed in record deposit database Access record sheet；

3.3.3 client receives authentication result QLTP messages, is constructed according to authentication result QLTP messages Operating system selection QLTP messages, method are as follows：

3.3.3.1 QuickLoader trawl performance module gives authentication result QLTP messages QuickLoader information transmission modulars；

3.3.3.2QuickLoader information transmission modular decapsulates to authentication result QLTP messages, will unseal Fill obtained AOE authentication result messages and give user authentication and operating system selecting module；

3.3.3.3 user authentication and operating system selecting module judge according to the data of AOE authentication result messages, such as Operating system list is not sky in fruit data, then extracts operating system list, turn 3.3.3.4；If operating system in data List is sky, then prompts user name or Password Input mistake, turn 3.3.1 and re-start authentication；

3.3.3.4 the operating system that user authentication and operating system selecting module select according to the user received from keyboard is client The name of the operating system of selection is held, the name of the operating system of client selection is put into AOE operating systems selection message Data division, construction AOE operating system selection messages, and AOE operating systems selection message is sent to QuickLoader information Transport module；

3.3.3.5 QuickLoader information transmission modulars are packaged to AOE operating systems selection message, will grasp during encapsulation more The MAC Address for making system remote load server is put into Ethernet heading, and client ip address, multiple operating system are remotely added Carry server ip address and be put into IP agreement heading, the operating system selection QLTP messages that encapsulation is obtained are sent to trawl performance Module；

3.3.3.6 operating system selection QLTP messages are sent to service end by trawl performance module；

3.4 service ends select QLTP message selection operation systems according to operating system, obtain operating system nucleus transmission QLTP reports Text, method are：

3.4.1 service end information transmission modular decapsulates to the operating system selection QLTP messages received, will decapsulate To AOE operating systems selection message issue service end virtual disk service module；

3.4.2 after service end virtual disk service module receives AOE operating systems selection message, selected according to AOE operating systems The data division of message is from the disk selection operation system of multiple operating system remote loading server, and by selected operating system mirror As the kernel in file is put into the data division of AOE operating system nucleus transmitting messages, by AOE operating system nucleus transmitting messages It is sent to service end information transmission modular；Meanwhile service end virtual disk service module generation user accesses record, user is entitled The user name of active client, time are the current system of multiple operating system remote loading server when operating system selection is completed Time, action type is operating system selection operation, operating result is success；User's access record is sent to service end subscriber Access administration module；

3.4.3 service in the access record sheet that end subscriber access administration module accesses the user received record deposit database；

3.4.4 AOE operating system nucleus transmitting messages are packaged into operating system nucleus transmission by service end information transmission modular QLTP messages, operating system nucleus transmission QLTP messages are sent to client, taken multiple operating system remote loading during encapsulation The MAC Address of business device is put into Ethernet heading, and client ip address, multiple operating system remote loading server ip address are put To IP agreement heading；

3.5 QuickLoader processing operating system nucleus transmission QLTP messages, obtain operating system nucleus, and start-up operation system System, method are as follows：

3.5.1 the operating system nucleus received transmission QLTP messages are sent to by QuickLoader NIC drivers QuickLoader information transmission modulars；

3.5.2QuickLoader information transmission modular decapsulates to operating system nucleus transmission QLTP messages, will decapsulate Obtained AOE operating system nucleus transmitting messages give user authentication and operating system selecting module；

3.5.3 user authentication and operating system selecting module carry from the data of the AOE operating system nucleus transmitting messages received Operating system nucleus, start-up operation system are taken out, while starts QuickDriver；

3.6 QuickDriver initialization modules start, and complete initial work, and method is：

QuickDriver initialization modules obtain multiple operating system remote loading server ip address, client from dhcp client IP address is held, multiple operating system remote loading server is then obtained according to multiple operating system remote loading server ip address MAC Address；

3.7 QuickDriver construct disk operating QLTP messages, and the message is sent into service end, and method is as follows：

3.7.1 the disk operating of user customer is instructed construction by QuickDriver virtual disk drivers standard routines module QuickDriver information transmission modulars are sent into AOE disk operating messages, and by AOE disk operating messages；

3.7.2 the AOE messages are packaged into disk operating QLTP messages by QuickDriver information transmission modulars, by disk operating QLTP messages are sent to network card interface module, and the MAC Address of multiple operating system remote loading server is put into ether during encapsulation Network packet head, client ip address, multiple operating system remote loading server ip address are put into IP agreement heading；

3.7.3 network card interface module sends disk operating QLTP messages to the multiple operating system for possessing 3.2 steps and obtaining MAC Address Remote loading server；

3.8 service ends carry out disk operating according to the disk operating QLTP messages received, and method is as follows：

3.8.1 service end information transmission modular decapsulates to disk operating QLTP messages, the AOE disks that decapsulation is obtained Operation message is sent to service end virtual disk service module；

3.8.2 after service end virtual disk service module receives AOE disk operating messages, from the data of AOE disk operating messages Extracting section goes out disk operating instruction, and carries out read operation to the disk of multiple operating system remote loading server, by reading File system in operating system image file is put into the data division of AOE disk operating result messages, construction with application Into AOE disk operating result messages, AOE disk operating result messages are sent to service end information transmission modular； Meanwhile service end virtual disk service module generation user accesses record, the user name of the entitled active client of user, disk behaviour It is that disk is read out the time of completion, disk operating is that disk is read out, disk operating result is success as the time, User's access record is sent to service end subscriber access administration module；

3.8.3 service in the access record sheet that end subscriber access administration module accesses the user record deposit database；

3.8.4 AOE disk operating result messages are packaged into disk operating result by service end information transmission modular QLTP messages, disk operating result QLTP messages are sent to client；

3.9 QuickDriver obtain the file system of operating system according to the disk operating result QLTP messages received It is as follows with application, handling process：

3.9.1 disk operating result QLTP messages are sent to QuickDriver by QuickDriver network card interfaces module Information transmission modular；

3.9.2 QuickDriver information transmission modulars decapsulate to disk operating result QLTP messages, will unseal Fill obtained AOE disk operating result messages and be sent to virtual disk driver standard routines module；

3.9.3 after QuickDriver virtual disk drivers standard routines module receives AOE disk operating result messages, take Go out the data division of AOE disk operating result messages, obtain file system and the application of operating system.
2. a kind of method for supporting multiple operating system remote loading as claimed in claim 1, it is characterised in that the intelligence is set It is standby to refer to self-aided terminal, registration machine, computer, mobile phone.
A kind of 3. method for supporting multiple operating system remote loading as claimed in claim 1, it is characterised in that the server Cluster is TFTP server including tftp server, and QuickLoader performs file and is stored in TFTP services On device, the dhcp client in PXE modules sends DHCP request to obtain the IP address of tftp server to Dynamic Host Configuration Protocol server, TFTP clients send TFTP requests according to the IP address of tftp server to tftp server, and tftp server please according to TFTP Ask and QuickLoader is performed into file download to client.
A kind of 4. method for supporting multiple operating system remote loading as claimed in claim 1, it is characterised in that the decapsulation Refer to QLTP messages being descapsulated into AOE messages, method is to remove Ethernet heading, the IP messages in QLTP messages successively Head, UDP headings, obtain AOE messages；The encapsulation refers to AOE messages being encapsulated as QLTP messages, and method is by AOE messages Successively plus UDP headings, IP headings, Ethernet heading, QLTP messages are obtained.
5. a kind of method for supporting multiple operating system remote loading as claimed in claim 3, it is characterised in that client is run QuickLoader need to download QuickLoader execution files before performing file from service end, and method for down loading is：

3.1.1 the dhcp client of client PXE modules sends DHCP request to Dynamic Host Configuration Protocol server；

3.1.2 service end Dynamic Host Configuration Protocol server distributes client ip address and TFTP according to the DHCP request received from client Server ip address, and client ip address and tftp server ip address are sent to dhcp client；

3.1.3 the TFTP clients of client PXE modules are according to the tftp server ip address that 3.1.2 is obtained and the IP address pair The tftp server connection answered, and ask download QuickLoader to perform file to the tftp server；

3.1.4 QuickLoader execution files are sent to the TFTP clients of client by tftp server.
6. a kind of method for supporting multiple operating system remote loading as claimed in claim 1, it is characterised in that described in 3.3.1 steps QuickLoader builds and is to the method for multiple operating system remote loading server transmission authentication QLTP messages：

3.3.1.1 QuickLoader user authentication and operating system selecting module from keyboard receive user's input user name and Password, username and password is put into the data division of AOE authentication messages, forms AOE authentication messages, and by AOE Authentication message is sent to QuickLoader information transmission modulars；

3.3.1.2 QuickLoader information transmission modulars are packaged to the AOE authentication messages received, will during encapsulation The MAC Address of multiple operating system remote loading server is put into Ethernet heading, and client ip address, multiple operating system is remote Journey load server IP address is put into IP agreement heading, and the authentication QLTP messages obtained after encapsulation are sent into network interface card Drive module；

3.3.1.3 trawl performance module sends authentication QLTP messages to multiple operating system remote loading server.
7. a kind of method for supporting multiple operating system remote loading as claimed in claim 1, it is characterised in that described in 3.3.2 steps Service end carry out authenticating user identification method be：

3.3.2.1 the server info transport module of multiple operating system remote loading server receives authentication QLTP messages, AOE authentication messages are dressed up in deblocking, and AOE authentication messages are issued into service end user authentication management module；

3.3.2.2 service end user authentication management module goes out username and password from AOE authentication message data extracting sections Information, and be compared with the username and password in user's table in database, if being found in user's table and AOE authentications Username and password identical username and password combines in message, then user identity is legal, obtains grasping corresponding to the user name Make system list, this operating system list is stored in the data of AOE authentication result messages, and generate user's visit Record is asked, the user accesses the user name of the entitled active client of user in record, the time is the time that authentication is completed to be Generate the present system time of the multiple operating system remote loading server of user access record, action type is authentication Operation, operating result are successfully；Used if not found in user's table with user name, password identical in AOE authentication messages Name in an account book and password combination, then do-nothing operation system list is stored in AOE identity by authentification failure, service end user authentication management module In the data of authentication processing result message, and generate user and access record, the user accesses the entitled existing customer of user in record The user name at end, time be authentication report lost property to the authorities the time lost, action type be authentication operation, operating result be failure； AOE authentication result messages are returned into service end information transmission modular, user's access record is sent to service end User's access administration module；

3.3.2.3 service end subscriber access administration module and user is accessed to the access record sheet recorded in deposit database；

3.3.2.4 AOE authentication result messages are packaged into authentication result by service end information transmission modular QLTP messages, and authentication result QLTP messages are sent to client.