Internet protocol. The network layer for the TCP/IP protocol suite. IP is a connectionless, best-effort, packet switching protocol. It provides packet routing, fragmentation and re-assembly through the data link layer.
IP(Internet Protocol)是属于网路层的通讯协定,在网际网路当中主要提供资料封包之性质(版本、服务种类、长度、识别字串、旗号、区段位移、存活时间、检查号码),定址(原始位址、目的位址)和路径选择的协定。