| 摘要 |
An authentication protocol can be used to establish a secure method of communication between two devices on a network. Once established, the secure communication can be used to authenticate a client through various authentication methods, providing security in environments where intermediate devices cannot be trusted, such as wireless networks, or foreign network access points. Additionally, the caching of session keys and other relevant information can enable the two securely communicating endpoints to quickly resume their communication despite interruptions, such as when one endpoint changes the access point through which it is connected to the network. Also, the secure communication between the two devices can enable users to roam off of their home network, providing a mechanism by which access through foreign networks can be granted, while allowing the foreign network to monitor and control the use of its bandwidth.
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