# Internet Layer ![[Internet Layer - Wikipedia#^1enta5]] ^tfxde3 The protocol data unit of the internet layer protocols is called a *packet*. We can say that the internet layer is responsible for relaying packets between hosts that are not necessarily on the same network. ^l9qzd8 The [[Internet Protocol]] is the noteworthy protocol that belongs on the internet layer, two versions of which are of note: [[IPv4]] and [[IPv6]]. ^yd9fl1 For information about DHCP servers see [[Network Foundations - Dynamic Host Configuration Protocol (DHCP)]], [[DHCPv6]], and [[Dynamic Host Configuration Protocol - Wikipedia]]. ## Comparison to OSI Model's Network Layer ![[OSI Layer 3 - The Network Layer#^oaa08u]] ![[Internet Layer - Wikipedia#^d5er25]]