Various types of payload can be contained within a worm, but my example USES one of the more common and most dangerous payloads: the Internet Relay Chat (IRC) bot.
In the system of relay protection of electric power, abnormal state information given by relay protection devices has two types: accident information message and warning information message.
The basic principle of new types of protection which present relay protection experts have proposed, such as shape wave protection, non-channel protection and so on, is introduced.