| 摘要 |
The present invention relates to a portal structure supporting access by end user stations ( 6 ) using an access protocol for access requests containing basic information specifying group(s) or class(es) to which a requesting end user station ( 61 ) belongs, and type information specifying the type of the requesting end user station. The portal structure comprises a portal core and portal storing means ( 52 ) for storing at least type information for at least some type(s) of end user stations. It further comprises a device detection arrangement ( 53 ), and the portal storing means ( 52 ) supports storing of basic information such as class belongings of end user stations. If the type of an end user station ( 6 ) requesting access is not recognized by the portal structure, and if it is established that a class/group to which the end user station belongs is known by the portal, the device detecting arrangement ( 53 ) requests, using the class/group information relating to the end user station, type information from the end user station which, when retrieved, is stored into the portal storing means ( 52 ), such that the end user station ( 6 ) is able to access the portal structure.
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