The document discusses the Simple Network Management Protocol (SNMP) which provides a framework for managing devices on an internet using TCP/IP. It defines three key components: 1) The Structure of Management Information (SMI) which defines rules for naming and encoding managed objects. 2) The Management Information Base (MIB) which defines a collection of named objects and their attributes to be managed. 3) SNMP which defines the format of packets exchanged between a manager and agent to read and modify the status of objects in MIBs.