Security protocols are the basis of security which provide security services in network.

安全协议提供安全服务，是保证网络安全的基础。

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Next year, we expect at least 1\/4 of small businesses need to rely on MSSP to provide security services to meet their own security needs, and this proportion will increase year by year.

明年，我们预计会有至少四分之一的小型企业需要依赖于MSSP所提供的安全服务来满足自身的安全需求，而且这个比例还会逐年增加。

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The infrastructure which can provide security services is called Public Key infrastructure (PKI).

能提供这种服务的基础设施就是公开密钥安全基础设施(PKI)。

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The infrastructure which can provide security services is called Public Key infrastructure (PKI).

能提供这种服务的基础设施就是公开密钥安全基础设施(PKI)。

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