KR20110007378A - Software upgrade system and method - Google Patents

Abstract

PURPOSE: A software upgrade system and a method thereof are provided to minimize a network load by for determining the provision and provision period of a multicast service for each software version when updating the software of a user terminal. CONSTITUTION: A terminal information collection unit(110) periodically receives from an agent installed at a user terminal the information on the software installed in the user terminal. Based on the collected information, an upgrade policy determiner(120) determines the provision and provision period of a download service according to the kinds and the version of a software for which an upgrade service is provided. A transmission mode determiner(130) determines the provision of the download service of multicast type or unicast type.

Description

Software upgrade system and method {SOFTWARE UPGRADE SYSTEM AND METHOD}

The present invention relates to a software upgrade system and method, and more particularly, to a software upgrade system and method capable of software upgrade in a multicast or unicast manner in consideration of the load of the system and the upgrade situation of the software.

Many people are using various service terminals due to the development of communication and services, and according to the needs of the service, there is a demand to use various services by updating the internal software without replacing the terminals.

In addition, the complexity of the terminal has increased, and as more functions driven by software than hardware functions have increased, the importance of software such as firmware or configuration information is increasing day by day.

In particular, large operators have a variety of terminals, it was necessary to manage the software for each terminal in order to efficiently provide services without adding additional costs. In particular, in the case of firmware, how quickly to upgrade according to the importance of the firmware is an important problem that determines the success or failure of the service. However, when providing an upgrade of the software installed in the user terminal, there is a problem that can put a lot of load on the upgrade system, depending on the number of terminals and the upgrade policy.

In general, multicasting and unicasting data transmission methods are used to upgrade software. Multicast transmission is a method in which one or more senders transmit data to a specific one or more receivers. Unicast transmission is a method in which one sender transmits data to another receiver. The cast method is used.

However, if the unicast transmission method is used to transmit the same data to multiple receivers for group communication, the data packet to be transmitted must be transmitted to multiple recipients each time several times. There was a problem that the efficiency of the network is reduced. Also, as the number of recipients increases, this problem becomes bigger.

On the other hand, if multicast transmission is supported, the sender can send a message to multiple receivers at once, thereby reducing the waste of network resources due to duplicate transmission of data, but multicast transmission for all kinds and versions of software. The upgrade could not be provided to all terminals in a manner.

Therefore, there is a strong demand for a technique that uses a multicast transmission method and a unicast transmission method to provide a more efficient software upgrade to the terminal.

Some embodiments of the present invention provide a software upgrade system and method for determining whether to provide a multicasting service and a providing period for each software version.

In addition, an embodiment of the present invention provides a software upgrade system and method that can determine the upgrade providing method of the software reflecting the success of the software upgrade.

In addition, an embodiment of the present invention provides a software upgrade system and method that can efficiently provide various versions of software based on the number of software upgrades of a user terminal.

As a technical means for achieving the above-described technical problem, a first aspect of the present invention is a terminal information collection unit for periodically receiving information about the user terminal and the software installed on the user terminal by an agent installed in a plurality of user terminals An upgrade policy determination unit that determines whether or not to provide a multicast download service based on the collected information and the version and type of software provided with the upgrade service, and a version determined based on the determination of the upgrade policy unit. Determining to provide the user terminal with the multicast method to the user terminal in the determined provision period, and providing the determined version of the software in a unicast manner based on the transmission result of the multicast method and the collected information. Thing According to the transmission mode determination unit for determining and the determined transmission scheme, it may provide a software upgrade system including a control unit for providing the determined version of the software to the user terminal.

In addition, the second aspect of the present invention is the step of periodically receiving information about the user terminal and the software installed on the user terminal by the agent installed in a plurality of user terminals, based on the received information, the upgrade service is provided Determining whether or not to provide a multicast download service and providing period for each version and type of software, Based on the determination, determine the version of the software to be provided to the user terminal, and the software of the determined version Determining a software transmission method to be provided to a user terminal, providing the determined version of the software to the user terminal in the determined transmission method, determining whether the user terminal has successfully upgraded the software; The user end In this case, the upgrade is not successful unicast transmission scheme of the software may provide a software upgrade method comprising the step of providing the software to the user terminal.

According to the above-described problem solving means of the present invention, by determining whether or not to provide a multi-casting service for each version of the software, minimize the waste of the network when providing the upgrade of the software to the user terminal.

In addition, according to the above-described problem solving means of the present invention, when the user terminal fails to upgrade the software, it provides the upgrade of the software to the user terminal more effectively.

In addition, according to one of the other problem solving means of the present invention, when there is a bug or an error in the latest version of the software, the previous version of the software is quickly provided to the user terminal.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. 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 the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Throughout the specification, when a part is "connected" to another part, this includes not only "directly connected" but also "electrically connected" with another element in between. . In addition, when a part is said to "include" a certain component, which means that it may further include other components, except to exclude other components unless otherwise stated.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is an overall configuration diagram of a software upgrade system according to an embodiment of the present invention.

As shown in FIG. 1, the software upgrade system according to an embodiment of the present invention includes a software upgrade management server 100, a multicast server 200, a unicast server 300, a user terminal 400, and a network ( 500).

The software upgrade management server 100 provides the user terminal 400 with a version of software to be upgraded in response to a software upgrade request from the user terminal 400.

The software upgrade management server 100 receives the terminal ID, the type of software and the software version information from the user terminal 400, and transmits the version of the software to be upgraded to the user terminal 400 in a multicast manner, unicast method Determine whether or not to transmit.

The software upgrade management server 100 may periodically check the version of the software installed in the user terminal 400 and automatically provide an upgrade of the software, or in response to a request from the user terminal 400, Software may be provided to the user terminal 400.

In addition, the software upgrade management server 100 may set a download providing method for each version of the software, and even if the previous version of the software, if there are many download requests from the user terminal 400, the corresponding version of the software Can be provided to the user terminal 400 in a multicast manner.

In addition, the software upgrade management server 100 may receive from the user terminal 400 whether the download of the software is complete and whether it is normally installed, and may manage the version of the software for each user terminal 400 and check whether the software is normally installed. .

The multicast server 200 receives software to be upgraded from the software upgrade management server 100 and provides the received software to the user terminal 400 in a multicast manner.

Basic information (stream IP, stream port) for the multicast stream may be preset by the software upgrade management server 100 for each software and user terminal 400 to be upgraded. In addition, the multicast download server address and port value may be provided to the user terminal 400 by the software upgrade management server 100 in advance.

The unicast server 300 receives the software to be upgraded from the software upgrade management server 100 and provides the received software to the user terminal 400 in a unicast manner.

Basic information on the unicast stream may be preset by the software upgrade management server 100 for each software and user terminal 400 to be upgraded. In addition, the unicast download server address and port value, the unicast download server login ID and password may be provided to the user terminal 400 in advance by the software upgrade management server 100.

The user terminal 400 requests the software upgrade management server 100 to upgrade the software installed in the terminal, and receives the corresponding version of the software in a multicast or unicast manner in response to the request.

The user terminal 400 may periodically provide information, such as a terminal ID, a type and version of software, to the software upgrade management server 100. In addition, the user terminal 400 may provide the software upgrade management server 100 with information regarding whether the received software has been successfully installed.

The information provided to the software upgrade management server 100 may be used by the software upgrade management server 100 to determine a version of software to be provided to the user terminal 400 and to determine a download transmission method of the user terminal 400. .

The user terminal 400 includes a personal portable terminal that can be connected to the network using a method such as WiFi, CDMA, WCDMA, WiBro, HSDPA, a set-top box and a fixed terminal that can be connected to the network, and the software upgrade management server periodically. An agent capable of transmitting the current status of the user terminal 400 may be mounted in the 100.

The network 500 includes a dedicated line, a LAN, a QAN, a VAN, an intranet, a private telephone network, a public telephone network, a PSTN network, and a combination thereof, so that each network component shown in FIG. 1 can communicate with each other smoothly. It is a comprehensive data communication network, and includes wired internet, wireless internet and mobile wireless communication network.

Hereinafter, a detailed configuration of the software upgrade management server 100 according to an embodiment of the present invention will be described with reference to FIG. 2.

2 is a detailed configuration diagram of the software upgrade management server 100 according to an embodiment of the present invention.

As shown in Figure 2, the software upgrade management server 100 according to an embodiment of the present invention is a terminal information collecting unit 110, upgrade policy determination unit 120, transmission mode determination unit 130, upgrade DB 140, a controller 150, and a transceiver 160.

The terminal information collecting unit 110 receives information related to the user terminal 400 as information necessary for upgrading the software. The terminal information collection unit 110 may receive information such as an ID of the user terminal 400, a type of the user terminal 400, a type and version of software installed in the user terminal 400, and the like.

The upgrade policy determination unit 120 determines whether to provide a multicast download service for each version of the software.

The upgrade policy determiner 120 may determine whether to provide the version of the software in a multicast manner based on the version information and the number of downloads of the software.

The upgrade policy determination unit 120 may determine to provide the most recent version of the software in a multicast manner, or may decide to provide the software having a large number of downloads by the user in a multicast manner even if the latest version of the software is not.

Therefore, when the user terminal 400 upgrades the software to the latest version because there is a bug or an error in the latest version of the software, and the user terminal 400 downloads the previous version of the software at a time, the user terminal ( 400 may determine to download in a multicast manner.

In addition, the upgrade policy determination unit 120 may determine a period for providing a download in a multicast manner for a specific version of software.

The transmission mode determination unit 130 determines whether to provide the user terminal 400 with software upgrade in a multicast or unicast manner.

The transmission mode determination unit 130 may check the version of the software received from the user terminal 400 and may check the version of the software to be upgraded. When the version of the software to be upgraded provides a download in a multicast manner, the software may be used. The transmission mode may be determined to provide the upgrade in a multicast manner, otherwise, in a unicast manner.

In addition, the transmission mode determination unit 130 may be requested to upgrade the specific version of the software from the user terminal 400, check whether the requested version of the software provides a download in a multicast manner and determine the transmission mode.

In addition, the transmission mode determination unit 130 checks whether the user terminal 400 has succeeded in multicast software upgrade (normal installation or not), and in case of failure, transmits the unicast software to the user terminal 400. The transmission mode can be determined to provide an upgrade.

Therefore, the user terminal 400 that fails to upgrade the software can be more surely provided with the software upgrade.

The upgrade DB 140 stores various information related to the upgrade of the software.

The upgrade DB 140 multicasts the user terminal 400 related information such as the ID of the user terminal 400, the type of the user terminal 400, the type and version of the software installed in the user terminal 400, and the software version. Information on whether or not to provide a download method, information about the number of downloads by software version, and the like can be stored.

The controller 150 controls the entire software upgrade management server 100, and is installed on the user terminal 400 based on the version and the number of upgrades of the software to be provided to the user terminal 400 by the software upgrade management server 100. The terminal information collecting unit 110, the upgrade policy determination unit 120, and the transmission mode determination unit 130 are controlled to determine in which transmission method the upgrade is provided.

In addition, the controller 150 provides the multicast server 200 and the unicast server 300 with software to upgrade, and the user terminal 400 provides the software provided by the multicast server 200 and the unicast server 300. ) Can be sent. The controller 150 may set a multicast download server address and port, a unicast download server address, and a port, and the download server address and port may correspond to a model of the user terminal 400 and a service provided to the user terminal 400. Each may be set differently according to the type, software type and version.

In addition, the controller 150 provides the user terminal 400 with a multicast download server address and port, a unicast download server address and port, a unicast download server login ID and password, and the software to be upgraded by the user terminal 400. You can make it available for download.

The transceiver 160 transmits and receives various information necessary for software upgrade with the multicast server 200, the unicast server 300, and the user terminal 400.

Hereinafter, the upgrade management table stored in the upgrade DB 140 according to an embodiment of the present invention will be described with reference to FIG. 3.

3 is an example of an upgrade management table stored in the upgrade DB 140 according to an embodiment of the present invention.

As shown in FIG. 3, the upgrade management table according to an embodiment of the present invention includes a software name field 10, a version field 20, a multicasting availability field 30, and a multicasting providing period field 40. And a download count field 50.

In the software name field 10 and the version field 20, a software name and a version value for providing a software upgrade service are recorded. The multicasting availability field 30 and the multicasting duration field 40 are provided for each software version. Whether and how long the multicast download is provided is recorded.

In addition, the number of times that the user terminal 400 is upgraded is recorded in the download count field 50 for each software version. The number of downloads is a cumulative number of times that the user terminal 400 has downloaded the corresponding version of the software, and is downloaded for a predetermined period (for example, a period after the multicasting service is terminated or a period after a specific date). It may be one recovery.

Therefore, even after the multicast download service period for a specific version has elapsed, if the number of software downloads of the corresponding version increases, the multicasting service may be provided for the corresponding version of the software. Furthermore, when the number of times that the user terminal 400 downloads the previous version of the software increases due to a bug or an error in the new version of the software, the user terminal 400 is checked in real time and the previous version of the software is multicasted. ) Can be provided.

For example, for software SW # 2, an upgrade of version 3.00 of the software was decided to provide multicasting from May 1, 2009 through May 30, 2009. When the number of times that the user terminal 400 downloads the 2.00 version of the software has been increased (52), the upgrade policy decision unit 120 reflects this, and the software of the version 2.00 has been applied for 2009.5.15. It is possible to decide to provide downloads in a multicast fashion from 2009.6.15 (32, 42).

Hereinafter, a method of determining a software upgrade transmission method according to an embodiment of the present invention will be described with reference to FIG. 4.

4 is a detailed flowchart of a method of determining a software upgrade transmission method according to an embodiment of the present invention.

First, the software provided with the upgrade to the user terminal 400 is checked for each version (step S400), and it is determined whether to support the multicasting service for each version (step S400). The software upgrade management server 100 may determine whether to support the multicasting service by reflecting information about the latest version of the newly registered software, and determine a period of time during which the multicasting service is supported. When the latest version of the software is registered, the software upgrade management server 100 may be configured to provide an upgrade of the corresponding version of the software in a multicast manner for a predetermined period. Various algorithms may be set based on load and service policy required.

Thereafter, the number of times each software is downloaded (upgraded) is monitored for each version (step S404), and it is determined whether there is a version in which the number of software downloads increases more than a preset number (step S406).

As a result of the determination (step S406), if a version having an increased download count exists, the software upgrade of the version is set to be provided in a multicast manner (step S402).

Hereinafter, a method for providing a software upgrade according to an embodiment of the present invention will be described with reference to FIG. 5.

5 is a detailed flowchart of a software upgrade providing method according to an embodiment of the present invention.

First, it is determined the version of the software to provide the upgrade (step S500). The software upgrade management server 100 may check the version of the software installed in the user terminal 400 and determine which version of the software to provide to the user terminal 400. In addition, the software upgrade management server 100 may receive a request for the software version to be upgraded from the user terminal 400 and provide the requested version of the software to the user terminal 400.

Thereafter, it is determined whether a multicasting transmission service is provided for the version of software to be upgraded (step S502).

As a result of the determination (step S502), when the multicasting transmission service is provided for the corresponding version of the software, the corresponding version of the software is provided to the user terminal 400 by the multicasting method (step S504).

The software upgrade management server 100 may set the multicast download server address and port for the software to provide the upgrade, and provide the multicast download server address and the port to the user terminal 400 to upgrade the user terminal 400. You can make the software available for download.

Thereafter, whether or not the upgrade of the software is successfully received from the user terminal 400 (step S506), and if the upgrade fails, the corresponding version of the software is provided to the user terminal 400 in a unicasting method (step S508).

The software upgrade management server 100 may set the unicast download server address and port for the software to provide the upgrade, and provide the user terminal 400 with the unicast download server address and port, the unicast download server login ID, and the password. In this case, the user terminal 400 may download the software to be upgraded.

Thereafter, whether or not a successful software upgrade is received from the user terminal 400 (step S510). If the upgrade fails, the corresponding version of the software is provided back to the user terminal 400 in a unicasting method (step S508).

One embodiment of the present invention can also be implemented in the form of a recording medium containing instructions executable by a computer, such as a program module executed by the 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, computer readable media may 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 computer readable instructions, data structures, program modules, or other data in a modulated data signal such as a carrier wave, or other transmission mechanism, and includes any information delivery media.

The foregoing description of the present invention is intended for illustration, and it will be understood by those skilled in the art that the present invention may be easily modified in other specific forms without changing the technical spirit or essential features 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 type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope of the present invention is shown by the following claims rather than the above description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. do.

1 is an overall configuration diagram of a software upgrade system according to an embodiment of the present invention.

2 is a detailed configuration diagram of the software upgrade management server 100 according to an embodiment of the present invention.

3 is an example of an upgrade management table stored in an upgrade DB 140 according to an embodiment of the present invention.

4 is a detailed flowchart of a method of determining a software upgrade transmission method according to an embodiment of the present invention.

5 is a detailed flowchart of a software upgrade providing method according to an embodiment of the present invention.

* Explanation of symbols on the main parts of the drawings

100: software upgrade management server 110: terminal information collection unit

120: upgrade policy determination unit 130: transmission mode determination unit

140: upgrade DB 150: control unit

160: transceiver 200: multicast server

300: unicast server 400: user terminal

500: network

Claims (10)

In a software upgrade system, A terminal information collection unit periodically receiving information about the user terminal and software installed on the user terminal by agents installed in a plurality of user terminals; An upgrade policy determination unit that determines whether to provide a multicast download service and a provision period for each version and type of software provided with an upgrade service, based on the collected information; Determine to provide the user terminal with the version of the software determined on the basis of the upgrade policy unit in a multicast manner in the determined provision period, and based on the transmission result of the multicast scheme and the collected information, unicast Transmission mode determining unit for determining to provide the determined version of the software Software upgrade system comprising a. The method of claim 1, And the upgrade policy determination unit determines whether to provide a multicast download service of the software based on the version information of the software and the increase in the number of downloads of the software. The method of claim 2, And the upgrade policy determination unit determines to provide a software in which the number of downloads increased by more than a predetermined value in a multicast manner. The method of claim 1, The terminal information collecting unit receives the information on the ID of the user terminal, the type of the user terminal, the type and version of the software installed in the user terminal. The method of claim 1, The transmission mode determination unit checks whether the upgrade of the software in the user terminal is successful, and if the upgrade of the software fails to determine to provide the software to the user terminal again in the unicast transmission method Upgrade system. The method of claim 1, The control unit provides software to be upgraded to the multicast server and the unicast server, and sets the multicast download server address and port, the unicast download server address and port for each of the provided software. The method of claim 6, And the control unit provides the set multicast download server address and port, the unicast download server address and port, and the unicast download server login ID and password to the user terminal. In the software upgrade method, Periodically receiving information about the user terminal and software installed on the user terminal by an agent installed in a plurality of user terminals; Determining, based on the received information, whether or not to provide a multicast download service for each version and type of software for which an upgrade service is provided; Determining a version of software to be provided to the user terminal based on the determination, and determining a software transmission scheme to provide the determined version of software to the user terminal, Providing the determined version of the software to the user terminal in the determined transmission scheme, Determining whether the user terminal has successfully upgraded the software; and Providing the software to the user terminal in a unicast transmission method when the user terminal fails to upgrade the software. Software upgrade method comprising a. The method of claim 8, The determining of whether to provide the download service of the multicast method comprises determining whether to provide the download service of the multicast method based on the version information of the software and the increase in the number of downloads of the software. . The method of claim 8, Counting the number of times the user terminal has downloaded the software for each version of the software More, The determining of whether to provide the download service of the multicast method comprises determining to provide a multicast method of a version of the software whose number of downloads increased by more than a predetermined value.

Images