Transcript Open Management - Yen

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/
[email protected]
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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
Management Operation
MA
Response
Event
R
MO
Manager
Agent
Communication
Protocols
Communication
Protocols
Network
Legend：
MA: Manager Applications
MO: Managed Objects
R: Real Resource
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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
ORB
ORB
 Objects: Application, Service, MO, ...
 ORB: Object Request Broker
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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
 DMTF's DMI
 OSF's DME
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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
Common Management Information Protocol
SMI/GDMO
SMFs
MAs
SMASE
MO
. . . SMASE
SMASE
CMISE
ACSE
CMISE
ROSE
OSI Protocol
Stack
. . . SMASE
ACSE
CMIS/P
Link
ROSE
OSI Protocol
Stack
Link
Network
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SMFs
Systems Management Functions
Applications
SMFAs
SMFs
CM
FM
PM
SM
AM
Object
Management
State
Management
Attributes for Representing Relationships
Alarm Reporting
Management
Event Reporting
Management
Log
Control
Security Alarm
Reporting
Security
Audit Trail
Objects and Attributes
for Access Control
Accounting
Metering
Workload
Monitoring
Test
Management
Summarization
CMIS
Get
Set
Action
Cancel Get
Event Report
Delete
Create
Lower Layer Services
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2.2 Internet Management
Simple Network Management Protocol
SNMP
MA
SMI
Set/Get/GetNext Req.
Get Resp.
Trap
R
MO
Manager
Agent
UDP/IP
UDP/IP
IP Network
(Internet)
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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. SNMP
CMIP
SNMP
GDMO
Object-Oriented
7 Service Primitives
Internet SMI
Object-Based
5 Messages
Connection-Oriented
Connectionless
Event-Oriented
Scoping/Filtering
Polling
GetNext
Global Naming (X.500)
Security Mechanism
OSI Seven Layers
Local 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
Management Program
XOM API
XOM
Package
XMP API
Management Service
Package
Management Content
Package
Other
Package
Common Package
CMIS
Package
SNMP
Package
DMI
Package
...
OM WORKSPACE
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2.4 OMG's CORBA
Common Object Request Broker Architecture
 Object
Management Architecture
Application Objects
Common Facilities
Object Request Broker
Object Services
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CORBA
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2.5 ITU-T TMN
Telecommunications Management Network
TMN
Operations System
Operations System
Operations System
Data Communication Network
Exchange
Transmission
System
Exchange
Transmission
Systems
Work Station
Exchange
Telecommunication Network
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TMN Physical Architecture
TMN
OS
X/F/Q3
DCN
X
F
WS
Q3/F
MD
Q3
Q3
QX
DCN
QX
QA
NE
QA
QX
NE
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TMN Services and Functions
Telecommunications Management Services and Components
Management of
Transmission Paths
Management of
Switched Network
Management of
Customer Services
Telecommunications Management Functions
Provisioning Monitoring
Fault
correction
Verification
...
...
Restoration
OSI Systems Management Functions
Log Control
SMF
Event Report
SMF
Object
SMF
...
Accounting
Meter SMF
ACSE + ROSE + CMISE
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2.6 OSF DME
Distributed Management Environment
 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 Services

Event Service, Print Service, Software Distributed
Service, License Management Service, Subsystem
Management Service, PC Service.
IRB: Instrumentation Request Broker
MRB: Management Request Broker
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2.7 DMTF DMI
Desktop Management Interface
Management Applications
Management Interface (MI)
Service Layer (SL)
Component Interface (CI)
MIF DataBase
Hardware/Software Components
MIF: Management Information Format
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Service Layer
Request/Confirms
Indications
MIF Access
Management Interface
Synchronization and Flow Control
Component Interface
Response/Confirms
Command
Processing
MIF Set
MIF Install
MIF
DataBase
Events/Response
Event
Processing
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?
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