KR20010092554A - Backup System and Method for Internet Service Web Server Providing Contents Service - Google Patents

Abstract

PURPOSE: A backup system of a web server for providing a contents service and a method thereof are provided to continuously offer the contents service to users by automatically providing the contents service when fault is generated in the web server and the contents service is stopped. CONSTITUTION: A backup system is connected to a web server(30). It is judged whether updated contents exists(32). If the updated contents are confirmed, the confirmed contents are received so that the backup system is updated and the contents of the web server are identical to the contents of the backup system(34). The fault of the web server is monitored(36). If the fault is detected, a name server of the web server is controller by the backup system and a contents service progresses by the backup system instead of the web server in which the fault is generated(40). The backup system judges continuously whether the fault of the web server is recovered(42). If the fault of the web server is recovered, the backup system controls the web server by an IP switching so that the web service is performed by the web server and is in a standby state(44,46).

Description

Backup System and Method for Internet Service Web Server Providing Contents Service

The present invention relates to a backup system and a method of providing a web server for providing a content service, and more particularly, when the web server for providing a content service fails and the service is interrupted, the same content as the content is provided. The present invention relates to a backup system and a method for providing a service to users by automatically providing a service.

Due to the development of Internet-related technologies and the increase of users, the provision of information or communication through the Internet is rapidly increasing. In particular, a web site that provides a variety of contents, including business, education, entertainment, sports, politics, and economics, has been established and provides services. These sites have their own unique content, and there are a number of Web sites that give users e-mail accounts that provide useful information or entertainment or enable electronic mail communication.

However, the web servers that provide services through the Internet as described above may fail due to various causes. Typically, a failure may be caused by a mechanical coupling of the server itself, and even if the accessor explodes in a short time and the server cannot accommodate it, the server may be down. In addition, hacking by hackers may cause the server to become inoperable or computer viruses may cause damage to data stored on the server and render the service inoperable.

Due to the interruption of the web server service due to these factors, large websites with a large number of members or visitors may experience unexpected damage such as a drop in the trust of the user and a collapse in the stock price if the stock is listed. It is happening.

In addition, to protect the server by adopting a high security technology to prevent hacking, hackers' hacking technology is also advanced so that there is a risk that the web server can be stopped by any hacking attack.

However, it is virtually difficult to fully prepare for all these obstacles, and there is a growing need for systems or methods that can continue to provide services despite web server failures.

The present invention has been invented to recognize and solve the problems of the prior art, the object of which is to provide a service without interruption on behalf of the web server to cope with the unforeseen obstacle of the web server providing the Internet service. To provide.

Another object of the present invention is to provide a method of providing a service without interruption on behalf of the web server in response to an unexpected obstacle of the web server providing the Internet service.

1 is a view showing a relationship between a backup system and a web server according to the present invention,

2 is a flowchart illustrating a backup process according to the present invention.

The object of the present invention is a content storage unit for receiving and storing the same content by periodically communicating with a web server that is connected to the Internet to provide Internet-based content services to the visitor, by monitoring the failure of the web server A failure detection unit for detecting a failure, and when the failure is detected, the Internet connection IP of the web server is switched to provide an Internet service by the contents through the Internet instead of the web server, and the failure of the web server is restored. When it is detected whether or not the normal operation, the Internet system by providing a backup service of the Internet web server providing a content service including a; control unit for switching the Internet access IP to control the Internet service.

1 is a view showing the operation of the Internet web server and the backup system (Backup System) and the configuration of the system according to the present invention. The system 10 of the present invention is connected to a web server to be backed up. In this case, the web server refers to a server in which a homepage is provided which is connected to the Internet and provides contents. The web server uses a service according to the contents of the contents of the homepage built on the web server by users connecting through the Internet. Done.

The homepage built on the web server can be divided into an open homepage where anyone can access and use the service and a member homepage where only the registered members can use the service. In general, the membership homepage is constructed as a database that receives the subscriber's name, address, phone number, occupation, and interests when the user registers as a member. Advertise for the purpose appropriate to the field.

Content of such a homepage may be configured in various ways, and in the present specification, a service for providing an e-mail account in a web server is also understood to be included in a content service.

On the other hand, a web server can provide services by installing a server in a company or an organization and connecting it to an internet network. However, the server is an expensive and precise equipment. The place where it is installed must maintain proper temperature and humidity, and a separate management agent In order to stay resident, there is a case of using an Internet Data Center (IDC), in which web servers of various companies or organizations are collected and operated in one center. IDC has a space and environment suitable for the installation and operation of a web server, and a professional administrator resides in it to manage the server. Therefore, a number of companies and organizations that install and operate a web server in IDC can save the cost of managing and maintaining the server, rather than securing a computer room in which the company or organization has its own server. Therefore, IDC has web servers of various companies or organizations arranged in the same space.

The backup system according to the present invention is configured to be able to communicate with a web server. The communication method depends on the physical distance between the web server and the backup system. For example, if the web server and backup system are located remotely, the communication between them must use a wide area network (WAN), and if they are located very close, they can be configured to communicate over a LAN with a LAN card such as Ethernet. have.

Therefore, although WAN is inevitably used to backup a web server such as a general company at a long distance, if the web servers are located in IDC, the system of the present invention can be provided in the same IDC to back them up. However, the closer the web server and the system of the present invention is, the higher the communication quality between the two systems, so that it is easy to update the data for backup. The web server and backup system may be damaged at the same time, resulting in service interruption. Therefore, considering this, it is not necessarily desirable to have a web server and a backup system in the same building.

As shown in FIG. 1, the backup system 10 according to the present invention is communicatively connected to the web servers 18 and 20, and is particularly connected to an IDC in which several web servers 20 and 22 are concentrated. Can be. Of course, even when backing up multiple server systems connected to IDC, not all web servers in the system can be backed up, but can be backed up according to the agreement of the operator operating the web server. In the figure, 20 represents a server to be backed up and 22 represents a server not backed up.

All web servers 18, 20, 22 have name servers 19, 21, 23. Name Server is a server program that converts a host name or domain name into an address recognizable on a network in DNS (Domail Name System). Is provided as a separate computer is configured to communicate with the server.

The system of the present invention receives and stores the contents of the homepage constructed by the web server while communicating with the web servers 18 and 20 to be backed up. The stored content is updated from time to time so that the backup system can store the same content as the web server if possible. The detection unit 12 of the backup system continuously detects whether or not the web servers 18 and 20 to be backed up normally operate.

The detection unit 12 may diagnose whether the web server is normal by a method of reverse mapping, polling, or ping test according to NMS (Network Management System). If the web server is a mail server providing an e-mail service, it is possible to diagnose whether the mail server is normal by monitoring the activity of communication port 25 according to the Simple Mail Transfer Protocol (SMTP) of TCP / IP.

If a failure occurs, the backup system communicates with the name servers 18 and 20 and assigns the address of the web server to the backup system under its control, so that even if an external user tries to connect to the same web server address as before. This is to control access to the backup system.

Thus, instead of the failed web server, the service continues on behalf of the failed web server that the backup system has already stored. Here, the backup system can provide services with the same performance if the system is configured with the same capacity and speed as the web server, but it may not be economical to have a large capacity system. In particular, the failure time is usually a very short time, and considering that the system backs up several web servers, the backup system may be able to perform the backup function at a lower speed and capacity than the web server. Therefore, if the backup system is running due to a web server failure, the services provided by the backup system cannot provide the same quality of service as the original web server. It is important to keep as much as possible.

For example, in the system of the present invention, a plurality of CPUs may be provided and some CPUs may be preset to perform a function of backing up a specific web server. In this case, for example, four CPUs may be allocated to back up a large web server rich in content, and one CPU may be allocated to back up a relatively small web server.

The backup system of the present invention continuously communicates with the web server and stores the contents of the web server in its storage unit 16. Internet homepages generally have old content deleted or changed, new material added, and especially the contents of users change frequently. Therefore, the backup system of the present invention periodically communicates with the web server, receives the changed contents, and stores the changed contents in the backup system so that the backup system maintains the contents of the web server as much as possible to provide a backup service.

For this purpose, it is recommended to keep the update period as short as possible. However, transmitting, receiving, and storing update data by communication is a burden on both systems. Therefore, the change time of the contents of the web server, the capacity and speed of the system, etc. In consideration of this, an appropriate update period should be set.

Hereinafter, the present invention will be described in more detail with reference to FIG. 2.

The backup system of the present invention accesses a web server to be backed up (30). When both systems are connected and communication starts, first, all contents of the web server are transmitted to the backup system and stored in the storage of the backup system, but thereafter, it is determined whether there is updated content (32).

When the updated contents are confirmed, the contents are transmitted to update the backup system to match the contents of the web server with the contents of the backup system (34), and the failure of the web server is monitored (366). In step 32, if there is no update content, jump to step 36 to continue monitoring the web server for failures.

If the failure of the web server is monitored and there is no failure, the process returns to step 32 in which the content is updated again. If a failure is detected, the backup system controls the name server of the corresponding web server, and the content service proceeds by the backup system in place of the failed web server by IP switching (40). If the failed web server and the name server have problems at the same time, IP switching can be performed by communicating with the upper name server of the Internet backbone network of the web server.

During the service process by the backup system, the backup system continuously determines whether the failure of the web server is recovered (42). When the failure of the web server is overcome and normal service is possible, the backup system immediately controls the web service to be performed by the web server by IP switching and goes to standby state (44, 46). In this case, the standby state of the backup system means continuously monitoring the web server for update, updating data, and monitoring the failure of the web server.

After the service by the backup system is terminated, the necessary data is transferred from the backup system to the web server to modify the contents of the web server according to the data made by the backup system. For example, the backup system transmits data about the user's e-mail received and sent to the web server so that the web server can perform data on transmission and reception of all e-mails without loss.

While such a backup system works on behalf of the web server, it is desirable to perform all the services of the web server as much as possible, but update the database stored only on the web server, for example, to join or leave a member or to modify member information. Cannot be done in the backup system. Therefore, some services may be interrupted, and it is preferable that the backup system displays the information on the homepage for the parts that cannot be serviced and informs that the service is resumed when the failure is overcome.

According to another aspect of the present invention, a backup method of an internet web server providing a content service through the Internet, the method comprising: receiving and storing the same content by periodically communicating with the web server; Detecting a failure detecting the failure by monitoring the failure of the web server; Switching the Internet connection IP of the web server upon detection of the failure to provide an Internet service by the content via the Internet instead of the web server; When the failure of the web server is recovered to detect whether the normal operation, switching the Internet access IP to control to enable the Internet service by the web server; a method is provided.

According to the method of the present invention, while periodically receiving the content of the web server to maintain the same content as the content of the web server, and diagnoses the failure of the web server, IP switching is performed so that the service by the backup system is provided. If the failure of the web server is overcome and normal operation, the service of the backup system is stopped again by IP switching and the service is progressed by the web server. At this time, the service data made by the backup system is transmitted to the web server to modify the necessary data on the web server.

As can be seen from the above description, according to the backup system and method for a web server according to the present invention, even if an unexpected failure occurs in the web server, the Internet service proceeds smoothly by the backup system. It can be secured. In particular, even if all the data of the web server is lost through the continuous content update process, the web server can be completely restored by the content stored in the backup system.

In addition, it is possible to achieve data backup more firmly by making an insurance contract to compensate for the case where the backup service is not properly performed by the backup system or data loss occurs.

Although the present invention has been described in detail below with reference to preferred embodiments, it should be understood that substitutions, changes and modifications apparent to those skilled in the art within the spirit and claims of the present invention fall within the scope of the present invention.

Claims (5)

A content storage unit connected to the Internet and periodically communicating with a web server providing an Internet-based content service to a visitor to receive and store the same content; A failure detection unit for monitoring a failure of the web server and detecting a failure; When the failure is detected, the Internet connection IP of the web server is switched to provide an Internet service by the contents through the Internet instead of the web server, and when the failure of the web server is detected to detect normal operation, the And a control unit for controlling an internet service by the web server by switching an internet access IP. The system of claim 1, wherein the failure detection unit detects a failure of the web server by periodic polling. 2. The system of claim 1, wherein the web server is a mail server providing email, and failure detection of the web server monitors the activity of port 25 of the mail SMTP. The system as claimed in claim 1, wherein the web server returns to a standby state after controlling the internet service to be available, and transmits the data performed by the system to the web server. In the backup method of the Internet web server providing a content service through the Internet, Periodically communicate with the web server to receive and store the same content; Detecting a failure detecting the failure by monitoring the failure of the web server; Switching the Internet connection IP of the web server upon detection of the failure to provide an Internet service by the content via the Internet instead of the web server; And if the failure of the web server is detected to detect normal operation, switching the Internet access IP to control the Internet service to be enabled by the web server.