Published:2010/8/29 20:40:00 Author:Li xiao na From:SeekIC
Keep the network safety between the factory and commercial system is very hard, therefore, people in IT departments hesitate to accept this challenging task. People in IT department are not familiar with the complicated industrial system; what is more, any error will cause the problem of production. There are many safety technologies can be used by the industrial computer. No matter it is based on the software or hardware, the safety technologies all have a common shortcoming, namely, they must modify the system. But people in the industrial want to avoid modifying the system at all cost.
For the systems which are based on the hardware, it is easy to be recognized and attacked with the IP. The standard port is always open to make the data transmission easy. The systems, which are based on the software, are not compatible; therefore it can not be specially operated. The updating of the anti-virus software is very complicated, which needs a great deal of manpower and material resources. These systems can not be utilized in the old processing technology, because they do not have the good performance. Let along the software which needs updating frequently, otherwise, the virus will find the new safety leak to attack the operation system.
Fortunately, new solutions are emerging, for instance, the OPC can work between the different systems and firewalls with the tunneling technologies. The tunneling technology can keep the network safe with the port limitation and user authentication.
The office environment is networking, so the business efficiency is higher nowadays. Corporations are easy to ignore the dangerous outside of the system. The special operating system is used by many industrial computers, which is considered to be safe. Few people have considered shielding the attack and coping with the virus. The systems like windows and Ethernet are used by the new machines. However, these systems are easy to be attacked with the networking of the entire industry. All in all, the productive department and IT department should try their best to secure the safety and reliability of the system. The related integrated circuit is TC74VHC132.
Reprinted Url Of This Article: http://www.seekic.com/blog/ComputersAndTechnology/2010/08/29/Systems_in_Industrial_Area_Are_Facing_New_Challenges.html
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