●●● Evolution of network ●●●● ●●●●● ●●●● ●●●●● Management ●●●● o In March 1987, effort to develop simple Gateway Monitoring Protocol (SGMP o SGMP out by november 1987 Coud“ getand“set" variable values e about same time Common mgmt Information Protocol(CMIP)developed for OSI model CMIP is roughly SNMP for the OSI model o Effort to develop CMiP Over TCP(CMOT)as alternative to sGmP COMP4690, by Dr Xiaowen Chu, HKBU
COMP4690, by Dr Xiaowen Chu, HKBU Evolution of Network Management ⚫ In March 1987, effort to develop Simple Gateway Monitoring Protocol (SGMP) ⚫ SGMP out by November 1987 ⚫ Could “get” and “set” variable values ⚫ About same time Common Mgmt Information Protocol (CMIP) developed for OSI model ⚫ CMIP is roughly SNMP for the OSI model ⚫ Effort to develop CMIP Over TCP (CMOT) as alternative to SGMP
●●● Evolution of network ●●●● ●●●●● ●●●● ●●●●● Management ●●●● e CMIP uses Remote Operations services Elements(ROSe) ROSE is for communication with distributed apps in osi model o OSI mgmt process is richer and more comprehensive than that provided by SNMP o But OSl approach is more complex and took longer to develop ●SNMP:“ keep it simple", and it's good enough So SNMP won out in practice COMP4690, by Dr Xiaowen Chu, HKBU
COMP4690, by Dr Xiaowen Chu, HKBU Evolution of Network Management ⚫ CMIP uses Remote Operations Services Elements (ROSE) ⚫ ROSE is for communication with distributed apps in OSI model ⚫ OSI mgmt process is richer and more comprehensive than that provided by SNMP ⚫ But OSI approach is more complex and took longer to develop ⚫ SNMP: “keep it simple”, and it’s good enough ⚫ So SNMP won out in practice
●●● Evolution of network ●●●● ●●●●● ●●●● ●●●●● Management ●●●● Due to controversy/delays in OSI approach, Internet Activities Board(Ab) held meeting in 1988 Decided to pursue both CMOT and SGMP Eventually abandoned CMOT (complexity) Eventually, three RFCs resulted ● The three rfcs Structure of Management Information(SMI), uses Abstract Syntax Notation One(AsN.1) Management Information Base(MiB), the data structure on the mgmt agent Simple Network Management Protocol (SNMP) By 1989 SNMP was the de facto standard for management of TCP/IP networks COMP4690, by Dr Xiaowen Chu, HKBU
COMP4690, by Dr Xiaowen Chu, HKBU Evolution of Network Management ⚫ Due to controversy/delays in OSI approach, Internet Activities Board (IAB) held meeting in 1988 ⚫ Decided to pursue both CMOT and SGMP ⚫ Eventually abandoned CMOT (complexity) ⚫ Eventually, three RFCs resulted… ⚫ The three RFCs ⚫ Structure of Management Information (SMI), uses Abstract Syntax Notation One (ASN.1) ⚫ Management Information Base (MIB), the data structure on the mgmt agent ⚫ Simple Network Management Protocol (SNMP) ⚫ By 1989, SNMP was the de facto standard for management of TCP/IP networks
●●● Evolution of network ●●●● ●●●●● ●●●● ●●●●● Management ●●●● DATE EVENT REFERENCE 1968 ARPA funds development of packet switching networks 1. RFC 1120 Intemet Activities Board. V. Cerf. Sep-01-1989.(Obsoleted by RFC 1160) 2. RFC 1160 Internet Activities board. V Cerl May-01-1990.(Obsoletes RFC 1120) 1974 TCP/IP concept proposed Cerf V. andR Kahn. "A Protocol for Packet Network Interconnection".IEEE Trans. on Communications, Vol. COM-22, No 5, pp 637 648,May1974 Ref 26 1976 Ethernet Developed Metcalfe, R, and D. Boggs, "Ethernet: Distributed Packet for Local Computer Networks Communications of the ACM, Vol. 19, No. 7, pp 395-404,July1976 OSI Reference Model Development Initiated COMP4690, by Dr Xiaowen Chu, HKBU
COMP4690, by Dr Xiaowen Chu, HKBU Evolution of Network Management DATE EVENT REFERENCE 1968 ARPA funds development of packet switching networks 1. RFC 1120 Internet Activities Board. V. Cerf. Sep-01-1989. (Obsoleted by RFC 1160) 2. RFC 1160 Internet Activities Board. V. Cerf. May-01-1990. (Obsoletes RFC 1120) 1974 TCP/IP concept proposed Cerf V., and R. Kahn, "A Protocol for Packet Network Interconnection", IEEE Trans. on Communications, Vol. COM-22, No. 5, pp. 637- 648, May 1974. [Ref 26] 1976 Ethernet Developed Metcalfe, R., and D. Boggs, "Ethernet: Distributed Packet for Local Computer Networks", Communications of the ACM, Vol. 19, No. 7, pp. 395-404, July 1976. 1978 OSI Reference Model Development Initiated