Transcript Broadband Networks, Integrated Management

Broadband Networks, Integrated
Management & Standardization
Nobuo FUJII
ITU-T SG4 Vice Chairman
NTT Network Innovation Laboratories
[email protected]
Broadband Networks and Services
- Network Technologies •
•
•
•
•
Home Network
Access network
Transport network
Server network
IP network
Residential Gateway Centric
Ether network base
10Mbps-100Mbps Access
BPON, DSL base
10Gbps Link, IP routers
GMPLS enbaled OTN
Cluster Network,
GbFC,iSCSI, 10G standard
IP routing
Muticast, Diffserve,etc.
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Broadband Services
• Contents Delivery Applications
– Archived Contents (Point-to-point)
– Streaming Contents (Multicast)
• Uni-directional to Bi-directional
Home
ntwk
SV
RG
Contents
holder
CDN
RG
HN
RG
HNuser
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user
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Broadband Network Architecture
Contents Delivery, User Data Cash
Portal Gateway, Multimedia com.
ASP
networks
Home
network
ISP
networks
Streaming, Archiving, Cashing
Distributed Processing engine
Server Network
Various CoS support, IP multi-cast
Low latency, Bandwidth Guarantee
IP Network
Network Operator
networks
Bandwidth allocation, Secure transport
Reliable transport. Cut through, etc.
Transport Network
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End-to-end Management of Transport Network
- connection control procedure• Connection establishment component in ASON
2. Call indication Called Party
Calling Party 1.Call request
Network Call
Call
Call
Controller 3. Call confirmed
Controller 10. Call confirmed
Controller
9. Connection confirmed
4. Connection request
5. Route
query
Routing
Connection
Controller 6. Route Controller
info.
7. Link connection
request
8. Link connection 7. Link connection request
confirmed
Link Resource
Manager
Link Resource
Manager
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End-to-end Management of Transport Network
- routing aspect • Source and Step-By-Step Routing for ASON provides an end-to-end
connections of the transport network. (alternative: Hierarchical
routing)
Connection request
E
A
B
C
Connection request msg.
Established connection
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D
Equipment Node
Subnetwork
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Case study: CDN service management
• Scenario: User receives a stream contents from CDN network
1.Service request
3.Service grant
(Set up information)
Homenetwork
4.Set-up request
(Set up information)
7.Contents delivery
CDN network
2.User authentication
Multi-channel
Contents stream
(program info)
IP network
5.Multi-cast configuration
6.Bandwidth request/allocation
8.Performance report
Transport network
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Management of the broadband networks
• Goal: End-to-end management of sub-networks:
– Service management rather than network management.
• Requirements for sub-networks:
– Rapid service provisioning;
– Autonomous service restoration;
– QoS sensible application acceptance.
• Management areas of importance:
– Configuration: service provisioning, autonomous
systems configuration,
– Performance: QoS report.
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Design method for the broadband
network management
• Conditions
– Diversified(& ing) Management Protocols
• SNMP, CORBA, CMIS/P, XML…
– Diversified(& ing) SDOs
• cf.SDO(Standard Development Organization)
• Approach
– Protocol Independent Interface Design
• Use of UML method
– Electric document exchange between entities
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Issues on the design method
• UML
– What are the protocol independent common services,
naming and addressing methods?
– Conversion to SNMP, CORBA, GDMO models
• Use of XML for document exchange
– What are Rules, Objectives and Guidelines of
XML use?
– Development of the GTDD
• cf. Global Telecommunications Data Dictionary
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tML Framework Scope
Complete Trading
Partner Spec.
Implementation
Infrastructure Profile
Message Structure
Header &
Encoding Rules
security
Payload
Business Process Scenario
Trading Partner
Profile/Agreement
Data & Vocabulary
Business
Document Spec.
Business Rules
tML Framework
Rules, Objectives, Guidelines for
Development of
tML Schema
tML Schemas
Reliable
Connectivity
tML Document
Implementation
Infrastructure Profile
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Management & Standardization
Structured according to tML Schemas
Developed according to tML Framework
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Conclusions
• The broadband network as integration of sub-networks:
– Home network, ASP networks, ISP networks, and Operators
networks.
• Vertical integration of the broadband network
management:
• Protocol independent management interface design:
– Naming, Addressing, Common Service issues need to be solved.
• There are standardization efforts in ITU-T:
– ASON (Automatically switched optical network) Rec.G.8080/Y.1304
– tML (Telecommunications Markup Language) Rec.M.3030
– TMN methodology amendment Rec.M.3020
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