大家好，我是小典，我来为大家解答以上问题。网络层协议数据单元被称为，网络层协议，很多人还不知道，现在让我们一起来看看吧！

IP (Internet Protocol) control protocols: ICMP (the Internet Cotrol Message Protocol) ARP (the Address Resolution Protocol) IP Address ---------------> Ethernet Address RARP (the Reverse Address Resolution Protocol) BOOTP DHCP (Dynamic Host Configuration Protocol) routing: IGP(the Interior Gateway Routing Protocol) a routing algorithm within an AS(Autonomous System) 1.RIP(Routing Information Protocol) 2.OSPF(Open Shortest Path First) EGP (the Exterior Gateway Routing Protocol) a routing algorithm between ASes BGP-4 IGMP(Internet Group Management Protocol)。

本文到此讲解完毕了，希望对大家有帮助。