For primary server may become the bottle of the whole system, VCSR USES a concurrency control protocol based on voting, which also trade-off the network overhead.

针对主服务器可能成为系统中瓶颈的问题，VCSR机制采用基于投票的分布式并发控制协议，同时也均衡了网络负载。

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The way of monitoring and controlling local area or global area with network is the primary trend of information and control system.

利用网络实现局域乃至全球范围内的监测与控制，是信息与控制系统的主要发展趋势。

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Network architecture and its control protocols are the most important networking technologies, the primary feature of softswitch network architecture is layered functions.

网络结构及其协议是最为重要的组网技术，软交换网络结构的重要特点是其明确的功能分层。

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But ForeScout has continued to evolve over the years and now their primary offering is a Network Access Control product that can address the introduction of new devices into the enterprise, a major trend as employees purchase iPads, Android devices, and iPhones.

FORBES: Heightened threats, new technology