Two-level Addressing o Applications use ip addresses to identify routes by which datagrams may be exchanged between network nodes o applications also use ip addresses to find the endpoints o The delivery of packets consists of o Routing to the destination network o Sending to the hostTwo-level Addressing  Applications use IP addresses to identify routes by which datagrams may be exchanged between network nodes  Applications also use IP addresses to find the endpoints  The delivery of packets consists of ⚫ Routing to the destination network ⚫ Sending to the host