As a client-server protocol, the client makes contact with the server.

作为一个客户端-服务器协议，客户端与服务器进行联系。

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This problem is usually down to a change in the server protocol, which means that each client needs to be updated.

此类问题通常可归结为服务器协议的改变，这意味着每个客户端都需要升级。

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Lightweight directory access protocol (LDAP) is a lightweight client-server protocol for accessing directory services, especially those that are X.500 based.

轻量级目录访问协议(Light weight Directory Access Protocol, LDAP)是一个轻量级的客户机-服务器协议，用于访问目录服务，尤其是那些基于X . 500的服务。

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The final layers of security include a pair of authentication certificates residing on the handsets, as well as requiring users to log-in with a password before they can use the SIP (Session Initiation Protocol) server.

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Nokia, which now claims it created "more than 50%" of the wireless protocol, has its own server software and will compete with Phone.com.

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It provides both Internet protocol and messaging services over one server.

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