For the agreement between routers exchange authentication function, improve the network security.

为路由器间的协议交换增加认证功能，提高网络安全性。

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IPSEC is a standard, can extend the mechanism for IP and upper agreement provides data confidentiality, integrity, and data safety identity authentication services.

IPSEC是一种标准的、可扩充的机制，为IP及上层协议提供了数据的机密性、完整性、数据源身份认证等安全服务。

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Cablevision, for its part, doesn't have an affiliate agreement with Disney for authentication, and it's the only major broadband provider that doesn't provide access to ESPN3.com, ESPN's broadband network.

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