Abstract: A method for identifying data content comprises: establishing a character base which stores characters corresponding to various service applications and protocols; performing matching between contents of currently received data and the characters in the character base, and obtaining characters contained in the currently received data; identifying at least one of a service application and a protocol corresponding to the characters contained in the currently received data according to a mapping relation between characters and protocols as well as a mapping relation between characters and service applications. An apparatus for identifying data content is also disclosed. The technical scheme of the present invention can identify data content comprehensively and can be easily extended.

Abstract: The present invention provides a method, an application system and a storage device for managing the configuration information of applications, and it is applied to the storage device where an application extension area is created for every logical resource and their application extension area to physical resource mappings are maintained. The method comprises: the application system accessing the application extension area of a logical resource on the storage device when executing an application; the storage device storing the configuration information generated by the application system for the application to the appropriate physical resource based on the said mappings. The present invention ensures that the configuration information of applications can survive the failure of the application system or storage device and be restored when the application system or the storage device recovers.

Abstract: A method for identifying data content comprises: establishing a character base which stores characters corresponding to various service applications and protocols; performing matching between contents of currently received data and the characters in the character base, and obtaining characters contained in the currently received data; identifying at least one of a service application and a protocol corresponding to the characters contained in the currently received data according to a mapping relation between characters and protocols as well as a mapping relation between characters and service applications. An apparatus for identifying data content is also disclosed. The technical scheme of the present invention can identify data content comprehensively and can be easily extended.