Joint ITU-T SG 13 and ISO/JTC1/SC 6
Workshop on
“Future Networks Standardization”
(Geneva, Switzerland, 11 June 2012)
Future Network: Mobility
Tae-Wan You
ETRI, twyou@etri.re.kr
Geneva, Switzerland, 11 June 2012
Outline
Overview of ISO/IEC WD 29181-4
Future Network: Problem Statements and
Requirement – Part 4: Mobility
Introduction to R&D Project in Korea
MOFI: Mobile-Oriented Future Internet
Architecture of Future Internet for Mobile
Environment
Project sponsored by Korean government
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ISO/IEC 29181-4: Status
ISO/IEC JTC1/SC6/WG7
Editors:
Seok-Joo Koh (Korea)
Maryam Roshanaei (UK)
Status
3rd WD (as of May 2012)
Plan
PDTR Ballot (Sep. 2012)
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ISO/IEC 29181-4: Status
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Motivations
Paradigm Shift: from Fixed to Mobile
“Mobility” is a key factor in the design of FN
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Mobile environment in FN
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Mobile environment in FN
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Related works on mobility in FN
SDO
IETF: Mobile IP, Proxy Mobile IP, etc
ITU-T: Q.22/13 (Mobility Management)
ISO/IEC JTC1/SC6: WG7 (Future Network)
R&D Projects
eMobility (FP7)
FIND, GENI
AKARI (Japan)
MOFI (Korea)
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Problems of Current Internet
Overloaded semantics of IP address
Identifier and Locator as well
Single protocol for heterogeneous networks
No consideration of heterogeneous networks
Integration of data delivery and control function
No distinction between data plane and control plane
Centralized mobility control
Home Agent (central anchor) of Mobile IP
Traffic overhead, failure by DoS attack, non-optimal
routes
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Architectural Requirements for FN
Separation of identifier (ID) and locator (LOC)
Permanent ID and Temporary LOC (Mobility, Multi-homing)
Separation of access/backbone networks
Support of Heterogeneous access networks
Separation of control plane from data plane
Control (mobility) information: mission-critical
User data packets: best-effort
Distributed mobility control
Built-in mobility control (cf. MIP: patch-on)
Use of Optimized Route (Query-based signaling)
Scalable management of ID-LOC mappings
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Functional Requirements for FN
Location management
ID-LOC mapping management for mobile hosts
ID-LOC Binding and Query Operations
Route optimization
Direct (Optimized) path between two communicating hosts
Handover control
Seamless handover for on-going sessions
Route Update
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Mobile‐Oriented Future
Internet (MOFI)
http://www.mofi.re.kr
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MOFI (www.mofi.re.kr)
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Project Overview
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Problems vs. Design Principles
Current Internet
IP address as ID & LOC
MOFI
Design Principles
Separation of Host ID from
IP address
IP address based
communication
HID-based communications
Global IP-based routing
Local LOC-based routing
Combined data delivery
and control
Separation of control plane
from data delivery
Static Centralized
Mapping b/w ID&LOC
Dynamic Distributed
ID/LOC Mapping System
Data-driven packet
delivery for mobile hosts
Route optimization using
location query
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Function blocs
Host ID and Local
LOC
(HILL)
Dynamic Distributed
Mapping System
(DDMS)
Query-First Data
Delivery
(QFDD)
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Three Functional Blocks
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HILL: Host ID & Local Locator
(HID-based global comm. & LOC-based local routing)
Advantages
Free from address depletion problem
Not require globally unique address allocation (e.g. IPv4/6)
Make private-to-private network communication possible very easily
More efficient to support mobility and multi-homing
Help to resolve the BGP routing table explosion problem
Secure HID provides security and privacy
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DDMS:
Dynamic Distributed Mapping System
Advantages
More efficient management than Agent-based
Centralized LM of legacy Internet for mobile dominant
environment
ITO, single point of failure, unwanted traffic
introduction, etc.
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QFDD: Query First Data Delivery
Advantages
More efficient delivery than the Send-First of legacy
Internet for mobile dominant environment
ITO, optimized routing path, reduction of unwanted traffic
introduction, transmission delay, etc.
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Overall Architecture
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Data Delivery Model
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Overall Mapping System
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Implementation Status
Linux-based Implementation
Kernel based AR and Local Mapping system
IPv6 based HID, convention IPv6 application
Click-based Implementation
AR and Host developed by Click Modular
Router
MOFI Proxy Agent (MPA) developed
NS-3 Simulator
MOFI’s full spec. developed by NS-3
Data and control plane, handover scenario
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Conclusions and Recommendations
Conclusions
“Mobility” is one of the
key issues in Future
Network
Current focus on
“Problem Statement
and Requirement” in
the JTC1/SC6
Several projects are
progressed in the world
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Recommendations
Collaboration is needed
between JTC1/SC6 and
ITU-T SG13 for global
standardization
Possible items
Requirement
Architectural Design
Identification, etc
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Thank you for your attention !
Q&A
Linux-based Implementation
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Click-based Implementation
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Implementations: NS-3 Simulator
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