Handles high-level protocols, issues of representation, encoding, and dialog control.
The TCP/IP protocol suite combines all application related issues into one layer and en sures this data is properly packaged before passing it on to the next layer.
Application Layer Examples NFS Distributed file system protocol (SUN) that allows file access to a remote storage device across a network SNMP Monitor/control network device. Used to manage configurations, statistics, performance and security
Each individual device must be configured with an IP address.
Reverse Address Resolution Protocol (RARP) What is my IP address? Destination 255.255.255.255 Source ???????? Destination FF-FF-FF-FF-FF-FF Source FE:ED:FD:23:44:EF RARP REQUEST MESSAGE IP HEADER MAC HEADER