It is that IP data packets on the network is very likely being stolen by hackers, resulting in a serious consequence that part of voice is lost or tapped.
因此，IP语音在网络上的安全传输是一个非常重要的问题，已成为研究和应用的热点。
The internet sends information as discrete packets of data using a suite ofprotocols known as TCP/IP.
该网络使用TCP/IP 协议发送离散的数据包来传输信息。
Network traffic is made up of IP packets or simply packets — small chunks of data traveling in streams from a source system to a destination system.
网络流量由IP信息包(或，简称信息包)—以流的形式从源系统传输到目的地系统的一些小块数据—组成。
This obtains a number of data points from a specified SNMP agent, including the IP address, description, uptime, and network statistics (packets sent/received, and IP packets sent/received).
这将从指定的SNMP代理获得许多数据点，包括IP地址、描述、正常运行时间和网络统计数据（已发送/接收的数据包和已发送/接收的 IP 数据包）。
After devices determine the IP addresses of the destination devices, they can add the destination MAC addresses to the data packets.
在设备决定目的地设备的IP位址之后，他们可以加入目的地MAC位址到资料封包。
IP multicast utilizes a tree delivery structure, on which data packets are duplicated only at fork nodes and are forwarded only once over each link.
IP组播利用树转发结构，只需在组播树的分支处复制数据报文，而且在每条链路上仅转发一次。
Other detection methods are based on the statistics of IP addresses and the length of data packets, but their detection accuracy declines rapidly under the IP spoofing attack.
另一些方法基于IP地址和数据报长度的统计特征，但这些方法在IP地址欺骗攻击时检测率急剧下降。
IP is responsible for the sending and receiving data packets over the Internet.
IP负责网络中数据包的发送和接收。
The design process can capture IP packets in the network, parse the contents of the packet, showing the contents of data packets and also written to the log file.
所设计程序能够捕获网络中的IP数据包，解析数据包的内容，显示数据包内容并同时写入日志文件。
The design process can capture IP packets in the network, parse the contents of the packet, showing the contents of data packets and also written to the log file.
所设计程序能够捕获网络中的IP数据包，解析数据包的内容，显示数据包内容并同时写入日志文件。
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