视频监控SDK,NRCAP(Net Resource Control and Access Protocol)网络协议是网络视频监控系统的网络资源控制和访问协议。本文档为协议的第二版，故命名为：NrcapPlus。本协议基于Windows开发，使用Windows Socket实现网络通讯和数据传输。

-Video surveillance SDK, NRCAP (Net Resource Control and Access Protocol) network protocol is a network video surveillance system network resource control and access protocols. This document is the second edition of the agreement, it is named: NrcapPlus. The protocol is based on Windows development, using the Windows Socket network communication and data transmission.