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Background of SMIng

Background of SMIng. Aiko Pras CTIT University of Twente the Netherlands email: pras@ctit.utwente.nl http://www.ctit.utwente.nl/~pras. HISTORY OF SMIng. DEVELOPED BY IRTF-NMRG SNMP over TCP SNMP compression SNMP GetSubTree XML DTD for SNMP MIBs SMIng. WHY DID WE START SMIng?.

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Background of SMIng

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  1. Background of SMIng Aiko Pras CTIT University of Twente the Netherlands email: pras@ctit.utwente.nl http://www.ctit.utwente.nl/~pras

  2. HISTORY OF SMIng • DEVELOPED BY IRTF-NMRG • SNMP over TCP • SNMP compression • SNMP GetSubTree • XML DTD for SNMP MIBs • SMIng

  3. WHY DID WE START SMIng? • SMIv2 RELIED ON 1988 VERSION OF ASN.1 • TOOLS FOR SMIv2 RELATIVELY COMPLEX • CERTAIN DATA TYPES WERE MISSING IN SMIv2 64 bit integers, … • LIMITED FACILITIES TO REUSE DEFINITIONS • SMIv2 DID NOT ALLOW FOR EXTENSIONS • NEW, POSSIBLY INCOMPATIBLE VARIANTS APPEARED • THE CHALLANGE: • CREATE A COMMON DATA DEFINITION LANGUAGE, INDEPENDENT OF SPECIFIC PROTOCOLS

  4. SMIv2 SPPI MIBs PIBs DATA VERSUS INFORMATION MODEL Informal / english, ... INFORMATION MODEL Conceptual model / abstract model “formal” / UML, ... DATA MODEL LDAP SCHEMA CORBA IDL

  5. SMIv2 SPPI MIBs PIBs DATA MODEL & “TRANSFER” PROTOCOL INFORMATION MODEL CORBA IDL LDAP SCHEMA DATA MODEL SNMP - BER COPS - BER “TRANSFER” PROTOCOL LDAPv3

  6. ROLE OF SMIng INFORMATION MODEL SMIng MIBs / PIBs DATA MODEL CORBA IDL LDAP SCHEMA SNMP - BER COPS - BER

  7. SMIng PROTOCOL MAPPINGS INFORMATION MODEL SMIng MIBs / PIBs SNMP MAPPING COPS-PR MAPPING SNMP - BER COPS - BER

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