nformation about the protocol stack to be used for SDH-DCC 56. Main IETF recommendations regarding SMNP Network management (Standard 16)-Structure and Identification of Management Information for the TCP/IP-based Internets: RFC 1155 (Historic)-Management Information Base for Network Management of TCP/IP-based inter- nets: RFC 1156 (Historic)-A Simple Network Management Protocol (SNMP): RFC 1157 (Standard 17)-Management Information Base for Network Management of TCP/IP-based internets: MIB-II: RFC 1213 (Informational)-Introduction and Applicability Statements for Internet Standard Management Framework: RFC 3410 Networks Fundamentals and Present Architectures (Standard 62)-An Architecture for Describing Simple Network Management Protocol (SNMP) Management Frameworks: RFC 3411 (Standard 62)-Message Processing and Dispatching for the Simple Network Management Protocol (SNMP): RFC 3412 (Standard 62)-Simple Network Management Protocol (SNMP) Application: RFC 3413 (Standard 62)-User-based Security Model (USM) for version 3 of the Simple Network Management Protocol (SNMPv3): RFC 3414 (Standard 162)-View-based Access Control Model (VACM) for the Simple Network Management Protocol (SNMP): RFC 3415 (Standard 62)-Version 2 of the Protocol Operations for the Simple Network Management Protocol (SNMP): RFC 3416 (Standard 62)-Transport Mappings for the Simple Network Management Protocol (SNMP): RFC 3417 (Standard 62)-Management Information Base (MIB) for the Simple Network Management Protocol (SNMP): RFC 3418 (Best Current Practice)-Coexistence between Version 1, Version 2, and Version 3 of the Internet- standard Network Management Framework: RFC 3584 (Proposed)-The Advanced Encryption Standard (AES) Cipher Algorithm in the SNMP User- based Security Model: RFC 3826 (Proposed)-Simple Network Management Protocol (SNMP) Context Engine ID Discovery: RFC 5343 (Proposed)-Transport Subsystem for the Simple Network Management Protocol (SNMP): RFC 5590 (Proposed)-Transport Security Model for the Simple Network Management Protocol (SNMP):