| 摘要 |
A device for user datagram protocol packet processing on network elements in a network, a radio access network comprising such a device and a method for user datagram protocol packet processing on network elements in a network, wherein a predetermined limited range of user datagram protocol port numbers is provided. It is determined, when a user datagram protocol packet arrives, whether a user datagram protocol port number associated with the user datagram protocol packet falls within the limited range of a user datagram protocol port numbers, and a mapping table is searched, if the associated user datagram protocol port number falls within the limited range of user datagram protocol port numbers, or the user datagram protocol packet is discarded or forwarded to an internet protocol means for further processing, if the associated user datagram protocol port number does not fall within the limited range of user datagram protocol numbers.
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