KR20170025056A - Method for providing no-hdd service, server and system - Google Patents

Method for providing no-hdd service, server and system Download PDF

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Publication number
KR20170025056A
KR20170025056A KR1020150120907A KR20150120907A KR20170025056A KR 20170025056 A KR20170025056 A KR 20170025056A KR 1020150120907 A KR1020150120907 A KR 1020150120907A KR 20150120907 A KR20150120907 A KR 20150120907A KR 20170025056 A KR20170025056 A KR 20170025056A
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hard
quality
diskless
storage server
server
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KR1020150120907A
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Korean (ko)
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KR101744060B1 (en
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김종학
박형진
윤광열
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주식회사 케이티
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
    • H04L41/5003—Managing SLA; Interaction between SLA and QoS
    • H04L41/5019—Ensuring fulfilment of SLA
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/30—Monitoring
    • G06F11/3051—Monitoring arrangements for monitoring the configuration of the computing system or of the computing system component, e.g. monitoring the presence of processing resources, peripherals, I/O links, software programs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06—Management of faults, events, alarms or notifications
    • H04L41/069—Management of faults, events, alarms or notifications using logs of notifications; Post-processing of notifications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Computing Systems (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

A method for providing a NO-HDD service may include the steps of: monitoring quality data of at least one NO-HDD storage server, quality data of a network of each line and quality data of at least one diskless PC at a predetermined period; determining a quality index and an access priority of each NO-HDD storage server, based on the monitored quality data; creating or updating a NO-HDD storage server quality table based on the quality index and the access priority of each NO-HDD storage server; and providing a NO-HDD service to at least one diskless PC, wherein the NO-HDD storage server quality table may manage the quality index and the access priority of each NO-HDD storage server at each region.

Description

METHOD FOR PROVIDING NO-HDD SERVICE, SERVER AND SYSTEM, AND METHOD FOR PROVIDING NO-HDD SERVICE,

The present invention relates to a method for providing a non-hard service, a non-hard service providing server and a system.

Many PCs are used in a place where a network environment such as a PC room, a company, and a school is established, but it is difficult to maintain and manage the PC offline. Concretely, depending on the degree of freedom of installation of the program in the use of the individual, vulnerable to viruses / malicious codes, aged hard disks (HDDs) suffer from a large reduction in speed and replacement costs,

Accordingly, recently, NO-HDD service has been provided to solve such a problem. The Noh Hard System refers to a system in which a server performs a function of a hard disk of a client terminal without placing a hard disk in the client terminal.

On the other hand, when providing noh hard storage servers for each customer, profitability may decrease due to the increase of investment cost. In order to provide the latest OS environment for the diskless PC in the no hard service providing server, difficulty of business trip for OS distribution and management May exist.

In Korean Patent Laid-Open Publication No. 2008-0079122, data is periodically transmitted and received to a server existing in a network, the processing speed of a server process on an idle node is calculated, monitoring of the processing speed of the server process is performed, A processing speed of a process is collected, a server status is registered in a table, and a server in a valid node state is searched based on a server status table to allocate a workload.

Monitoring quality data of at least one hard disk storage server, quality data of a network of each line, and quality data of at least one diskless PC, and analyzing quality data of at least one diskless PC using at least one diskless PC We want to provide hard service. It is to be understood, however, that the technical scope of the present invention is not limited to the above-described technical problems, and other technical problems may exist.

According to a first aspect of the present invention, there is provided a method of providing a NO-HDD service, comprising the steps of: receiving quality data of at least one hard disk storage server, Monitoring quality data of at least one diskless PC at a predetermined period, determining a quality index and a connection priority of each of the plurality of hard storage servers based on the monitored quality data, Generating or updating a no hard storage server quality table based on a quality index and a connection priority of a hard storage server, and providing a no hard service to the at least one diskless PC, The quality table shows the quality index of each non-hard storage server and the connection quality You can manage priority.

 Also, the no hard service providing server according to the second aspect of the present invention may be configured to set quality data of at least one hard hard storage server, quality data of each line network, and quality data of at least one diskless PC A quality management unit for determining a quality index and a connection priority order of each of the non-hard storage servers on the basis of the monitored quality data, a quality management unit for, based on the quality index and the access priority order of each of the non- A memory unit for generating and updating a no hard storage server quality table, a memory unit for storing the no hard storage server quality table, and a controller for providing a no hard service to at least one diskless PC, The quality index of each no hard storage server by region And connection priority can be managed.

According to a third aspect of the present invention, there is provided a NO-HDD service providing system including a NOHARD service providing server and at least one NOHARD storage server, Determining a quality index and a connection priority of each of the plurality of hard storage servers based on quality data of the hard storage server, quality data of the network of each line, and quality data of at least one diskless PC, Generating or updating a no hard storage server quality table based on a quality index and a connection priority of a hard storage server and storing the updated hard hard disk in a hard disk, And allocate any one of the hard disk storage servers to the diskless PC The no-hard storage server may be configured to at least one of the disk in response to a request to transmit a PC-less (Operating System) OS image on the at least one disc-less PC.

The above-described task solution is merely exemplary and should not be construed as limiting the present invention. In addition to the exemplary embodiments described above, there may be additional embodiments described in the drawings and the detailed description of the invention.

According to one of the above-mentioned objects of the present invention, quality data of at least one hard disk storage server, quality data of each line network, and quality data of at least one diskless PC are monitored, It is possible to provide the hard disk service with at least one diskless PC based on the quality data. In addition, through the management of the Noh Hard Storage Server quality table and the diskless PC quality table, it is possible to provide the latest OS environment to at least one diskless PC and to provide management management using ICT (Information and Communications Technologies) Maintenance costs and travel costs can be reduced.

1 is a configuration diagram of a NO-HDD service providing system according to an embodiment of the present invention.
2 is a block diagram of the no hard service providing server shown in FIG. 1 according to an embodiment of the present invention.
3 is a diagram of a quality table, in accordance with an embodiment of the present invention.
4 is a flowchart illustrating a method of providing a hard disk service according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

Throughout the specification, when a part is referred to as being "connected" to another part, it includes not only "directly connected" but also "electrically connected" with another part in between . Also, when an element is referred to as "comprising ", it means that it can include other elements as well, without departing from the other elements unless specifically stated otherwise.

In this specification, the term " part " includes a unit realized by hardware, a unit realized by software, and a unit realized by using both. Further, one unit may be implemented using two or more hardware, or two or more units may be implemented by one hardware.

In this specification, some of the operations or functions described as being performed by the terminal or the device may be performed in the server connected to the terminal or the device instead. Similarly, some of the operations or functions described as being performed by the server may also be performed on a terminal or device connected to the server.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

1 is a configuration diagram of a NO-HDD service providing system according to an embodiment of the present invention.

1, the no hard service provisioning system includes a no hard service provision server 100, at least one hard hard storage server 110, at least one diskless PC 120, an access switch 130, (140). However, the present invention is not limited to FIG. 1, and it should be understood that the present invention may be embodied in many different ways, all without departing from the spirit and scope of the present invention. have.

The no hard service providing server 100 monitors the quality data of at least one hard hard storage server 110, the quality data of each line network, and the quality data of at least one diskless PC 120, The quality index and the access priority order of each hard storage server 110 can be determined using the monitored quality data.

Here, the quality data of the non-hard storage server may include, for example, availability information of the respective non-hard storage servers 110 (the number of diskless PCs connected to the non-hard storage server 110, . ≪ / RTI > The quality data of the network of each line may include, for example, the idle bandwidth information of the access switch 130 and the aggregation switch 140. The quality data of the diskless PC can be obtained, for example, from the diskless PC through the PC client (program for monitoring and controlling the status of the diskless PC) mounted on the diskless PC, And output quality information.

The no hard service providing server 100 may generate or update the no hard storage server quality table based on the quality index and the access priority of each of the hard hard storage servers 110. [ Here, the no hard storage server quality table may be a table for managing the quality index and access priority of each hard storage server 110 by region.

When receiving the no hard service request from at least one diskless PC 120, the no hard service providing server 100 selects one of the no hard storage servers based on the no hard storage server quality table, (120).

The no hard service providing server 100 can provide the no hard service to the diskless PC 120 through the selected one of the no hard storage servers.

The no hard service provision server 100 performs real-time monitoring of quality data of at least one hard hard storage server 110, each line network, and at least one diskless PC 120, The quality index and connection priority of each hard storage server 110 in the table can be updated.

For example, the no hard service provision server 100 may receive a server anomaly state notification message (e.g., abnormal termination, HW / SW fault, etc.) from any hard storage server 110, ) And the aggregation switch 140, the connection priority of the non-hard storage server 110 can be changed by reflecting the received message contents in the non-hard storage server quality table.

The hard disk service providing server 100 can set QoS (Quality of Service) control of the access switch 130 and the aggregation switch 140 in the access switch 130 and the aggregation switch 140. In addition, the hard disk service provision server 100 may send the application code data to the access switch 130 and the aggregation switch 140 to instruct it to perform QoS control. Here, the application code data may be utilized as a QoS control parameter.

The no hard service providing server 100 requests the diskless PC 120 that requested the provision of the no hard service to use the disk input / output quality (e.g., disk input / output speed, And if a failure occurs, the reboot control of the diskless PC 120 can be performed.

The hard disk storage server 110 may be a server that provides an operating system for booting a diskless PC and disk space for each user.

Specifically, the no hard storage server 110 may send an OS (Operating System) image to at least one diskless PC 120 in response to a request from the at least one diskless PC 120. In addition, the no hard storage server 110 may provide at least one diskless PC 120 with disk storage space.

The hard disk storage server 110 can exchange disk I / O data with the diskless PC 120 through the disk storage space. For example, the non-hard storage server 110 stores the data received from the diskless PC 120 in the disk storage space provided to the diskless PC 120, It can be extracted from the disc storage space and transmitted to the discless PC 120.

The diskless PC 120 can be provided with an operating system (OS) and a disk storage space from the hard storage server 110 for driving the operation of the PC with a personal PC without a separate disk.

When the diskless PC 120 requests the no hard service providing server 100 to provide the no hard service, the diskless PC 120 receives information of the no hard storage server 110 from the no hard service providing server 100, Hard services can be provided. Here, the information of the non-hard storage server 110 may include location information, IP address, memory capacity information, and the like of the non-hard storage server 110, for example.

The access switch 130 and the aggregation switch 140 mediate a communication line and transfer data between the server (the hard storage service providing server 100 and the hard storage server 110) and the diskless PC 120 And may be a switch for performing connection control between the network and the diskless PC 120 and for controlling access to the network.

The access switch 130 may be an access network device providing a diskless PC 120 with a bandwidth of 300 Mbps or more. The aggregation switch 140 is a collective network device provided to the NOHARD service provision server 100 and the NOHARD storage server 110 and includes, for example, an OLT (Optical Line Terminal) switch and an L3 / L2 switch .

In general, the components of the hard disk service provision system of FIG. 1 are connected through a network 150. The network refers to a connection structure in which information can be exchanged between each node such as terminals and servers. Examples of such a network include a 3rd Generation Partnership Project (3GPP), a Long Term Evolution (LTE), a WIMAX World Interoperability for Microwave Access, Wi-Fi, 3G, 4G, and 5G.

Hereinafter, the operation of each component of the hard disk service providing system of FIG. 1 will be described in more detail.

2 is a block diagram of the no hard service providing server 100 shown in FIG. 1 according to an embodiment of the present invention.

2, the no hard service provision server 100 includes a resource management unit 200, a quality management unit 210, a memory unit 220, a communication unit 230, a control unit 240, and a provisioning unit 250 can do. However, the no hard service providing server 100 shown in FIG. 2 is only one embodiment of the present invention, and various modifications are possible based on the components shown in FIG.

The resource management unit 200 may monitor the quality data of at least one hard hard disk drive 110, the quality data of each line network, and the quality data of at least one diskless PC at a predetermined period.

Specifically, the resource management unit 200 can collect quality data including at least one of the performance of each non-hard storage server, the number of diskless PC connections, and the amount of traffic from the non-hard storage server 110 that exists in each domain have. For example, the resource management unit 200 may collect the CPU performance of the non-hard storage server, the memory capacity in use, and the network bandwidth usage information from the non-hard storage server 110.

The resource management unit 200 also collects the quality data of the network of the line including at least one of the bandwidths of the access switches 130 and the aggregation switches 140 .

The resource management unit 200 may include at least one of a disk input / output speed, a disk input / output amount, a delay of an execution program, and a latency of an execution program from at least one diskless PC 120 Quality data can be collected. Here, the disk input / output speed and the disk input / output amount may be disk input / output information between the diskless PC 120 and the hard disk storage 110.

The quality management unit 210 can determine the quality index and the access priority order of each hard storage server 110 based on the monitored quality data.

For example, the quality management unit 210 stores network information of the access switch 130 and the tangential switch 140 that connect the no-hard storage server 110 and the diskless PC 120 to each other, Or the access priority of each hard storage server 110 based on the diskless PC 120 assigned to the hard disk 110. [

The quality management unit 210 can determine whether or not to control the bandwidth of each of the access switch 130 and the aggregation switch 140 based on the monitored quality data and determine whether the bandwidth of the diskless PC quality (for example, Disk input / output speed, disk input / output amount, and the like).

The quality management unit 210 may generate the no hard storage server quality table based on the quality index and the access priority of each of the hard hard storage servers 110. [

In addition, the quality manager 210 can update the quality table of the no hard storage server 110 in real time by calculating and comparing the quality index and the connection priority of each of the hard hard storage servers 110 in real time.

In addition, the quality management unit 210 may generate a diskless PC quality table for managing the quality hysteresis index of each diskless PC 120 based on the quality data of the diskless PC 120.

In addition, the quality management unit 210 can update the diskless PC quality table in real time by calculating the quality hysteresis index of each diskless PC 120 in real time.

The non-hard storage server quality table and the diskless PC quality table mentioned above will be described later with reference to FIG.

The memory unit 220 may store the no hard storage server quality table and the diskless PC quality table.

The memory unit 220 may store the no hard storage server quality table and the diskless PC quality table updated in real time by the quality management unit 210. [

The memory unit 220 stores data to be input and output between the respective components in the hard hard-ware service providing server 100 and stores the data in the hard-ware service providing server 100 and the configuration It stores data input and output between elements. One example of such a memory unit 220 includes a hard disk drive, a ROM (Read Only Memory), a RAM (Random Access Memory), a flash memory, a memory card, and the like existing inside or outside the hard disk service providing server 100 do.

The communication unit 230 may receive a no hard service provision request from the diskless PC 120. [

The control unit 240 can select any one of the hard hard storage servers based on the no hard storage server quality table to ensure optimum no hard service quality.

The control unit 240 can select the hard hard storage server based on the quality index and connection priority of each of the hard hard storage servers in the wide area including the location of the diskless PC 120. [ For example, the control unit 240 can select a no-hard storage server having a high quality index by comparing the quality indexes of the respective non-hard storage servers in real time. In addition, the control unit 240 can select the no hard storage server based on the access priority order of each of the no hard storage servers.

The control unit 240 can select the hard hard storage server based on the quality index, connection priority, and diskless PC quality table of each of the wide area hard hard disk servers including the location of the diskless PC 120. [ For example, when the diskless PC 120 is located in Busan, the control unit 240 may determine that the no-hard storage server having a high connection quality priority and a high quality index of the diskless PC among the non- It can be determined as an optimal no-hard storage server.

Thereafter, the control unit 240 may assign the selected no hard storage server to the diskless PC.

Meanwhile, the provisioning unit 250 may compare the bandwidths of the access switches 130 and the aggregation switches 140 to detect a network having a network bandwidth less than a predetermined value.

In addition, the provisioning unit 250 may perform bandwidth guarantee provisioning for a network having a bandwidth lower than a preset value.

The controller 240 allocates the selected no hard storage server to the diskless PC 120 requesting the no hard service, thereby providing the no hard service that guarantees the optimum quality through the corresponding no hard storage server.

In addition, the control unit 240 can provide the no-hard service to the diskless PC 120 through the no-hard storage server on the network on which bandwidth guaranteed provisioning is performed.

Those skilled in the art will recognize that the resource management unit 200, the quality management unit 210, the memory unit 220, the communication unit 230, the control unit 240, and the provisioning unit 250 may be separately implemented, It will be appreciated that the present invention can be implemented integrally.

3 is a diagram of a quality table, in accordance with an embodiment of the present invention.

Referring to FIG. 3, the no hard storage server quality table 30 may be a table generated to manage quality indexes and access priority of each hard storage server 110 in each domain. For example, the no hard storage server quality table 30 stores the area information 300 of the hard hard storage server 110, the storage server IP information 301, the access period to the hard hard storage server 110, Idle bandwidth information 302, disk I / O rates 303 and 304, CPU usage 305, memory usage 306, number of diskless PC connections 307, network usage 308, The access priority information 309 and the real-time quality index 310 of the access terminal 110.

The no hard service providing server 100 can select the optimal no hard storage server 110 for each region in real time using the no hard storage server quality table 30. [

For example, when a no hard service request is received from a diskless PC located in Busan, the no hard service providing server 100 selects a region where the diskless PC is located, that is, the no hard storage server of Busan (311 to 313) The no hard storage server 311 having a high quality index of the no hard storage server and high connection priority can be allocated to the diskless PC.

On the other hand, the diskless PC quality table 31 may be a table generated based on the quality data of the diskless PC to manage the quality hysteresis index of each diskless PC. For example, in the diskless PC quality table 31, the user ID 314, the no hard service usage period information 315, the connection IP information 316 to the no hard storage server provided with the no hard service, And a quality hysteresis index 317 of the PC. Here, the quality history index of the diskless PC is calculated by comparing the quality data of the diskless PCs monitored (for example, disk I / O rate, disk I / O rate, Delay < / RTI > and latency).

The no hard service providing server 100 determines the quality history of the diskless PC 120 that requested the allocation of the hard hard storage server 110 based on the diskless PC quality table 31 upon selecting the hard hard storage server 110 Can be selected based on the index.

For example, the no hard service providing server 100 can determine whether the quality index and the access priority order of any of the hard disk storage servers 110 are high in the corresponding region, based on the diskless PC quality table 31, Can allocate another hard disk storage server 110 to the diskless PC 120 when the recent quality history index with the hard disk storage server 110 is low.

4 is a flowchart illustrating a method of providing a hard disk service according to an embodiment of the present invention.

The method of providing a hard disk service according to the embodiment shown in FIG. 4 includes a hard disk service providing server 100 according to the embodiment shown in FIGS. 1 to 3, at least one hard disk storage server 110, In the discless PC 120 of FIG. Accordingly, the contents described with respect to the hard disk service providing server 100, the at least one hard disk storage server 110, and the at least one diskless PC 120 of FIGS. 1 to 3 The present invention is also applicable to a method of providing a hard disk service according to the embodiment shown in FIG.

Referring to FIG. 4, in step S401, the no hard service providing server 100 may monitor quality data of at least one hard storage server 110 at a predetermined period. Here, the quality data of the no hard storage server 110 may include at least one of the performance of each hard storage server, the number of diskless PC connections, and the amount of traffic.

In step S402, the non-hard-ware service providing server 100 may monitor the network quality data of each line for the access switch 130 and the aggregation switch 140 at a predetermined period. Here, the quality data of the network of each line may include at least one of the bandwidth of the access switch 130 and the bandwidth of the aggregation switch 140.

In step S403, the no hard service providing server 100 may monitor quality data of at least one diskless PC 120 at a predetermined period. Here, the quality data of the diskless PC 120 may include at least one of a disk input / output speed, a disk input / output amount, a delay of an execution program, and a latency of an execution program.

In step S404, the hard disk service providing server 100 can determine the quality index and access priority order of each hard disk storage server 110 based on the monitored quality data.

In step S405, the no hard service provision server 100 may generate or update the no hard storage server quality table based on the quality index and the connection priority of each of the hard storage servers 110. [ Specifically, the no hard service providing server 100 can update the no hard storage server quality table in real time by calculating and comparing the quality index and access priority order of each of the hard storage servers 110 in real time.

In step S406, the non-hard-ware service providing server 100 can generate and update a diskless PC quality table for managing the quality history index of each diskless PC 120 based on the quality data of the diskless PC 120 . Specifically, the no hard service providing server 100 can update the diskless PC quality table in real time by calculating the quality hysteresis index of each diskless PC 120 in real time.

In step S407, the no hard service providing server 100 may receive a no hard service provision request from the diskless PC 120. [

In step S408, the no hard service provision server 100 can select any one of the hard hard storage servers based on the no hard storage server quality table. Specifically, in step S407, the no hard service providing server 100 determines the quality index and the access priority of each of the hard hard storage servers 110 in the wide area including the location of the diskless PC 120 requesting the non- You can choose a no hard storage server based on that. Alternatively, the no hard service providing server 100 may compare the quality index of each of the wide area non-hard storage servers, including the location of the diskless PC 120 requesting the no hard service provision in step S407, You can select a no hard storage server based on the table.

In step S409, the no hard service providing server 100 may allocate the hard hard storage server selected in step S408 to the diskless PC 120 requesting the no hard service provision in step S407.

In step S410, the no hard service providing server 100 may provide the no hard service to the diskless PC 120 through the no hard storage server allocated in step S409.

In step S411, the non-hard-ware service providing server 100 can monitor the bandwidth of the network of any one of the circuits of the access switch 130 and the aggregation switch 140 to a predetermined value or less.

In step S412, the no hard service providing server 100 may perform bandwidth guaranteed provisioning for the network of the line whose bandwidth is less than or equal to the predetermined value.

In the above description, steps S401 through S412 may be further divided into additional steps or combined into fewer steps, according to an embodiment of the present invention. Also, some of the steps may be omitted as necessary, and the order between the steps may be changed.

For example, steps S411 and S412 may be performed at any time during steps S401 to S410 as well as after steps S401 to S410.

One embodiment of the present invention may also be embodied in the form of a recording medium including instructions executable by a computer, such as program modules, being executed by a computer. Computer readable media can be any available media that can be accessed by a computer and includes both volatile and nonvolatile media, removable and non-removable media. In addition, the computer-readable medium can include both computer storage media and communication media. Computer storage media includes both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data. Communication media typically includes any information delivery media, including computer readable instructions, data structures, program modules, or other data in a modulated data signal such as a carrier wave, or other transport mechanism.

It will be understood by those skilled in the art that the foregoing description of the present invention is for illustrative purposes only and that those of ordinary skill in the art can readily understand that various changes and modifications may be made without departing from the spirit or essential characteristics of the present invention. will be. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. For example, each component described as a single entity may be distributed and implemented, and components described as being distributed may also be implemented in a combined form.

It is intended that the present invention covers the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents. .

100: no hard service providing server
110: No hard storage server
120: Diskless PC

Claims (18)

A method for providing a NO-HDD service,
Monitoring quality data of at least one hard disk storage server, quality data of a network of each line, and quality data of at least one diskless PC at a predetermined cycle;
Determining a quality index and a connection priority of each of the plurality of hard storage servers based on the monitored quality data;
Generating or updating a no hard storage server quality table based on a quality index and a connection priority of each of the no hard storage servers; And
Providing a no hard service to the at least one diskless PC
Lt; / RTI >
Wherein the no hard storage server quality table manages a quality index and a connection priority of each hard storage server by region.
The method according to claim 1,
The step of providing the no hard service
Receiving a no hard service provision request from the diskless PC;
Selecting one of the no hard storage servers based on the no hard storage server quality table; And
Assigning the selected no hard storage server to the diskless PC
The method comprising the steps of:
3. The method of claim 2,
The step of selecting any one of the no hard storage servers
And selecting a hard hard-ware server based on a quality index and a connection priority of each hard hard-ware server in a wide area including the location of the diskless PC.
The method according to claim 1,
Wherein the quality data of the no hard storage server includes at least one of a performance of each hard hard storage server, a number of diskless PC connections, and an amount of traffic.
The method according to claim 1,
Wherein the quality data of the network of each line comprises at least one of a bandwidth of an access switch and a bandwidth of an aggregation switch.
The method according to claim 1,
Wherein the quality data of the diskless PC includes at least one of a disk input / output speed, a disk input / output amount, a delay of an execution program, and a latency of an execution program.
The method of claim 3,
Creating and updating a diskless PC quality table for managing the quality hysteresis index of each diskless PC based on the quality data of the diskless PC
Further comprising the steps of:
8. The method of claim 7,
The step of selecting any one of the no hard storage servers
Selecting a no hard storage server based on the quality index, connection priority, and the diskless PC quality table of each non-hard storage server in the wide area including the location of the diskless PC.
The method according to claim 1,
Performing bandwidth guarantee provisioning for a network in which the bandwidth is less than or equal to a predetermined value when bandwidth of a network of any one of the lines is less than a preset value
Further comprising the steps of:
The method according to claim 1,
The step of creating or updating the no hard storage server quality table
Wherein the no hard storage server quality table is updated in real time by calculating and comparing quality indexes and access priority orders of the respective no hard storage servers in real time.
8. The method of claim 7,
The step of creating and updating the diskless PC quality table
Wherein the diskless PC quality table is updated in real time by calculating the quality hysteresis index of each diskless PC in real time.
A no hard service providing server comprising:
A resource manager for monitoring quality data of at least one hard disk storage server, quality data of a network of each line, and quality data of at least one diskless PC at a predetermined cycle;
A quality management unit for determining a quality index and a connection priority order of each of the no-hard storage servers based on the monitored quality data;
A memory unit for generating and updating a no hard storage server quality table based on the quality index and connection priority of each of the no hard storage servers and storing the no hard storage server quality table; And
A controller for providing a hard disk service with at least one diskless PC
Lt; / RTI >
Wherein the no hard storage server quality table manages the quality index and the access priority of each of the no hard storage servers by region.
13. The method of claim 12,
A communication unit for receiving a no hard service provision request from the diskless PC;
Further comprising:
Wherein the controller selects one of the no hard storage servers based on the no hard storage server quality table and assigns the selected no hard storage server to the diskless PC.
14. The method of claim 13,
Wherein the controller selects a no hard storage server based on a quality index and a connection priority of each of the wide area hard hard storage servers including the location of the diskless PC.
15. The method of claim 14,
Wherein the quality management unit generates and updates a diskless PC quality table for managing the quality hysteresis index of each diskless PC based on the quality data of the diskless PC,
Wherein the memory unit stores the diskless PC quality table.
16. The method of claim 15,
Wherein the controller selects a no hard storage server based on the quality index, connection priority, and the diskless PC quality table of each non-hard storage server in the wide area including the location of the diskless PC server.
13. The method of claim 12,
A provisioning unit that performs bandwidth guaranteeing provisioning of a network in which the bandwidth is equal to or less than a preset value when a bandwidth of a network of any one of the lines is less than a preset value,
Further comprising: means for receiving a request from the server;
In a no-HDD service providing system,
A hard disk service providing server; And
At least one no hard storage server
, ≪ / RTI &
The no hard service provision server
Determining a quality index and a connection priority of each of the no hard storage servers based on the quality data of the at least one hard hard storage server, the quality data of each line network, and the quality data of at least one diskless PC and,
Generating or updating the no hard storage server quality table based on the quality index and connection priority of each of the no hard storage servers,
And to assign any one of the hard hard disk drives to the diskless PC based on the hard hard disk drive quality table in response to a hard disk service request of the at least one diskless PC,
The no hard storage server
(OS) image to the at least one diskless PC in response to a request from the at least one diskless PC.
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