Mobility Management Issues in NGN R2

1
Mobility Management Issues in NGN R2

• HeeYoung Jung
• Editor of MMF/LMF/HMF
• ETRI/KOREA
• hyjung_at_etri.re.kr

2
NGN-GSI MM Group

• JRG of Q6/13, Q29/16, and Q2/19
• Developing Mobility Management (MM) related
  recommendations for NGN/B3G
• Stage 1 recommendation for MM was completed at
  the end of 2006 (Q.1706/Y.2801 Mobility
  Management Requirements for NGN)
• On-going draft Recommendations
• Q/Y.MMF Generic Mobility Management Framework
  for NGN (2Q 2007 AAP)
• Q/Y.LMF Location Management Framework for
  NGN(2008)
• Q/Y.HMF Handover Management Framework for
  NGN(2008)

3
Basic Concepts of M/L/HMF-(1)

• Mobilities according to service quality specified
  Q.1706/Y.2801
• Current draft recommendations (Q.MMF/LMF/HMF) are
  basically targeting to cover all kinds of
  mobilities
• But, the targeting mobility level could be
  different according to mobility types (Inter-CN,
  Inter-AN, and Intra-AN)

4
Basic Concepts of M/L/HMF- (2)

• Currently focus on Terminal Mobility but other
  mobilities (Personal, Service, etc) also should
  be covered later (maybe as independent
  recommendations)
• Basic idea is that all access technologies should
  be covered but it might be valuable to consider
  first more promising access technologies

5
Relationship with NGN R2

• All recommendations of MM group (Q.1706/Y.2801,
  M/L/HMF) are targeting seamless mobility, not
  nomadism
• Believe that the scopes is identical with it of
  NGN R2, NOT R1
• Fully agree with NTTs suggestion except a minor
  note
• To progress the work on Release 2, it is
  necessary to set clear goal, scope and schedule
  of work. Since Q.6/13 MM group is primary group
  regarding mobility, results from Q.6/13 MM group
  should be shared with Scope document (Q.1/13) and
  Requirements document (Q.2/13) to clarify the
  Release 2 work
• Currently Rapporteur of Q6/SG13 may be
  responsible for the harmonization on behalf of MM
  group

6
Discussion for Cooperation

• In NGN R2, any plan for contribution from CJK?
• Few contributions during NGN R1
• Scope of ITU-T standardizations regarding MM
• Stage 1/2 only (requirement and framework)?
• or possibly stage3 (protocols)?
• Which is the best way for CJK cooperation?
• Idea exchange and make one common proposal of
  CJK ?
• or pre-review others contributions and try to
  make rough consensus ?
• or contribute independently and discuss in the
  NGN-GSI meeting ?

7
Appendix ToCs of MMF/LMF/HMF

• MMF is now stable but the ToC of LMH/HMF could be
  changed by future contributions
• Contributions are requested!

8
Table of Contents MMF

• Design Considerations
• Network Environments
• Design Principles
• Conceptual Framework of MM
• MM Control Functionality
• Types of MM in NGN
• Location Management
• Handover Management
• Applicability of MM Functionality by Services
  Models
• Mobility Managers
• Location Manager (LM)
• Handover Manager (HM)
• Relationship with FEs in the NGN-FRA
• Generic MM Procedures
• Network Attachment
• Location Registration and Update
• Location Query/Response and User Data Transport
• Handover Support

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Table of Contents LMF

• Design Considerations
• Network Environments
• Design Principles
• Design Considerations
• Reference Functional Architecture
• Basic functional architecture
• Functional Information Flows
• Location Management for Intra-AN (MM3)
• Location Management for Inter-AN (MM2)
• Location Management for Intra-CN (MM1)
• Application of Candidate Protocols
• SIP for Location Management
• MIP for Location Management

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Table of Contents HMF

• Design Considerations
• Classification of Handover Management Schemes
• Handover Management Schemes by Layer
• Handover Management Schemes by MM Type
• Reference Functional Architecture
• Functional Architecture for Non-roaming Case
• Functional Architecture for Roaming Case
• Relationship with Functional Entities in the
  NGN-FRA
• Functional Information Flows
• Intra-AN Handover Management
• Inter-AN Handover Management
• Inter-CN Handover Management
• Candidate Schemes for Handover Management
• Mobile IP
• SIP
• SCTP