1. Network –based fast handovers for local mobility (NFLM)
Mohan Parthasarathy
Rajeev Koodli
Basavaraj Patil
Seppo Vesterinen
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2. Network-based Fast handover for local mobility (NFLM)
NFLM protocol features
Reuses existing protocol messages (Binding Updates, Handover messages etc.)
Supports both Predictive and Reactive handovers
Anchor Point Discovery similar to HA discovery in MIPv6 bootstrapping
Supports both DHCPv6 and stateless address auto-configuration
Same IP address can be maintained within the local domain
Tunneling between MAP and AR is flexible
Supports MN identifier option to uniquely identify the MN in the local domain
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3. NFLM Predictive handoverMN
PAR
NAR
MAP
IP configuration
FBU (PCoA, MN-ID)
FBack (MN-ID)
Data Packet flow
L2 Trigger
HI (PCoA, MN-ID)
FBU (PCoA, NAR-IP, MN-ID)
Update
MN state
Hack (MN-ID)
FBack (PAR-IP, MN-ID)
Clean up
MN state
Data Packet flow
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4. NFLM Reactive handoverMN
PAR
NAR
MAP
Data Packet Flow
DHCP /RtSol /NA
FBU (PCoA, NAR, MN-ID)
Update
MN state
L2 Trigger
UnSol HAck
FBack (PAR, MN-ID)
Clean up
MN state
Data Packet Flow
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5. Summary Satisfies NETLMM requirements
Simple solution to address localized mobility as it reuses the existing standardized methods (FMIPv6, HA discovery, etc.)
Future optimizations (AR-AR tunnel etc.) can be easily incorporated
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