Open Management 開放式管理
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Transcript of Open Management 開放式管理
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Open Management開放式管理陳彥錚 (Yen-Cheng Chen)
銘傳大學 資管系http://www.im.mcu.edu.tw/~ycchen/
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Contents 1. Introduction 2. Open Approaches for Management 3. Issues in Open Management 4. Conclusion
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1. Introduction Open Management
Automated Network and Systems Management in a Non-Proprietary, Widely Accepted Standard Fashion.
OSI Management (ISO/ITU-T). Internet Management. Not Limited to CMIP and SNMP.
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Why Open Management Interoperability
Ability of individual components within an open management environment to exchange information (i.e., interworking) Portability
Ability to easily place management functions in various platforms. Integration
Integration of lower-level, individual (e.g. element management) systems to achieve higher-level, integrated management (e.g., service management).
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Manager-Agent Model
Legend:MA: Manager ApplicationsMO: Managed Objects
R: Real Resource
Network
Agent
MOR
Communication Protocols
Manager
MAManagement OperationResponse
Event
Communication Protocols
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Management Components
Manager Agent Management Communication
Protocol Management Information Base
(MIB) Collection of Managed Objects
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Object-Oriented Management Model
Objects: Application, Service, MO, ... ORB: Object Request Broker
ORB ORB
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2. Open Approaches for Management Manager-Agent Model
ISO/ITU-T OSI Management (CMIP) IETF Internet Management (SNMP) X/Open XMP/XOM API
Object-Oriented Management Model OMG's CORBA
Specific Management Domain ITU-T TMN OSF's DME DMTF's DMI
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Legends
XMP: X/Open Management Protocol XOM: X/Open OSI-Abstract Data Manipulation API: Applications Programming Interface OMG: Object Management Group CORBA: Common Object Request Broker Architecture TMN: Telecommunications Management Network OSF: Open Systems Foundation DME: Distributed Management Environment DMTF: Desktop Management Task Force DMI: Desktop Management Interface
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2.1 OSI Management
OSI ProtocolStack
Link
ACSE ROSECMISE
. . .SMASE SMASE
MAs
OSI ProtocolStack
Link
ACSE ROSECMISE
. . .SMASE SMASE
MO
SMFs
CMIS/P
SMI/GDMO
Network
Common Management Information Protocol
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SMFsSMFAs
SMFs
Applications
CMIS Get Set Action Cancel Get Event Report Delete Create
Lower Layer Services
FM CM PM SM AM
ObjectManagement
State Management
Attributes for Repre-senting RelationshipsAlarm ReportingManagement
Event ReportingManagement
LogControl
Security AlarmReporting
SecurityAudit Trail
Objects and Attributesfor Access Control
AccountingMetering
WorkloadMonitoring
TestManagement
Summarization
Systems Management Functions
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2.2 Internet Management
IP Network (Internet)
UDP/IP
Agent
MOR
UDP/IPManager
MASet/Get/GetNext Req.
Get Resp.Trap
SNMP SMI
Simple Network Management Protocol
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What's New in SNMPv2
No more Trap PDU, 3 New PDUs: getBulkReq, InformReq, SNMPv2-Trap
Added Security 18 Error Status Values SNMPv2 SMI / SNMPv2 MIB M-to-M Communications Table Operations ...
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CMIP vs. SNMPCMIP SNMPGDMO
Object-Oriented7 Service PrimitivesEvent-Oriented
Connection-Oriented
Scoping/FilteringGlobal Naming (X.500)
Security MechanismOSI Seven Layers
Internet SMIObject-Based5 Messages
PollingConnectionless
GetNextLocal Naming (OID)Community Name
Internet TCP/IP
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2.3 X/Open XMP/XOM X/Open = Portability XMP
Provide CMIS and SNMP Service API. Recognizes Both GDMO and SNMP MOs.
XOM Maps ASN.1 data to a uniform data structure "om_object". Provide API for the manipulation of om_objects. Base for XMP Interface.
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XMP/XOM
XOMPackage
Management ServicePackage
Management ContentPackage
Common Package
CMISPackage
SNMPPackage
DMIPackag
e
OtherPackag
e . . .OM WORKSPACE
XOM API XMP API
Management Program
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2.4 OMG's CORBA Object Management Architecture
Object Request Broker
Application Objects Common Facilities
Object Services
Common Object Request Broker Architecture
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CORBA
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2.5 ITU-T TMN
Exchange Exchange ExchangeTransmissionSystem
TransmissionSystems
Data Communication Network Work Station
Operations System Operations SystemOperations System
TMN
Telecommunication Network
Telecommunications Management Network
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TMN Physical ArchitectureOS
DCN WS
DCN
QA NE NEQA
TMN
X X/F/Q3 F
Q3
Q3QX
Q3/F
QXQX
MD
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TMN Services and Functions
ACSE + ROSE + CMISE
Telecommunications Management Services and ComponentsManagement of
Transmission PathsManagement of
Switched NetworkManagement of
Customer Services
Telecommunications Management FunctionsProvisioning Monitoring Fault
correction Verification Restoration
OSI Systems Management Functions
Log ControlSMF
Event ReportSMF
ObjectSMF
Accounting Meter SMF
. . .
. . .. . .
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2.6 OSF DME Network Management Option
Use IRB to Support XMP (CMIP and SNMP). Object Management Framework
Extend CORBA to provide MRB. (I4DL)Use DCE's RPC for Broker Communications.
Distributed ServicesEvent Service, Print Service, Software Distributed Service, License Management Service, Subsystem Management Service, PC Service.
Distributed Management Environment
IRB: Instrumentation Request BrokerMRB: Management Request Broker
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2.7 DMTF DMIDesktop Management Interface
Service Layer (SL)Management Interface (MI)
Component Interface (CI)
Hardware/Software Hardware/Software ComponentsComponents
Management ApplicationsManagement Applications
MIF DataBase
MIF: Management Information Format
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Service Layer
Synchronization and Flow Control
Management Interface
Component Interface
MIF Access
MIF Set
MIF Install MIF DataBase
Request/Confirms
Response/Confirms Events/Response
Indications
CommandProcessing
EventProcessing MIF Processing
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3. Issues in Open Management Standardization is always in progress. Options in standards will be an
interoperability barrier. Interoperability Testing. Interworking among standards. XMP/XOM API Complexity. Coexistence with Legacy systems. ...
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Potential Solutions
International Standard Profiles (ISPs). Agreements and Specifications of NM
Forum, OMG, X/Open, OSF, ... IIMC (ISO/ITU-T and Internet Management Coexistence) A New CMIS API. Open Management Edge (OME). Follow OMNIPoint
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4. Conclusion Open management is a big trend. From element management to
service management. OSI management systems emerge. TMN: a focal point Follow, Join, or Lead?