1. A View on 802.11s Routing A Framework for a Discussion
doc.: IEEE s
July 2004
July 2004
A View on s Routing A Framework for a Discussion
Robert Moskowitz
ICSALabs a Division of
TruSecure Corporation
Robert Moskowitz, ICSAlabs
Robert Moskowitz, ICSAlabs

2. Topics A mesh as a LAN Frame forwarding on a mesh LAN July 2004
Robert Moskowitz, ICSAlabs

3. A mesh as a LAN As defined in ISO/IEC 15802-1
July 2004
A mesh as a LAN
As defined in ISO/IEC
This means *NO* IEEE 802.1D bridges within the mesh
All connections to the mesh are either
IEEE 802.1D bridges
IETF IP routers
In either case, connections MUST be APs to meet the Security model in doc: s
Even if they do not allow STA Associations
Robert Moskowitz, ICSAlabs

4. A mesh as a LAN Benefits Costs Reduced complexity in APs
July 2004
A mesh as a LAN
Benefits
Reduced complexity in APs
We have enough for Security!
Costs
How many STAs on a mesh/LAN?
How to manage frame forwarding on a mesh/LAN
Robert Moskowitz, ICSAlabs

5. Frame forwarding on a mesh LAN
July 2004
Frame forwarding on a mesh LAN
APs maintain ARCs of varying lengths defining the mesh
Maximum ARC length is number of APs
All APs strung on a string
Heuristic to limit number of ARCs maintained
Lot of research in this area
Robert Moskowitz, ICSAlabs

6. Frame forwarding on a mesh LAN
July 2004
Frame forwarding on a mesh LAN
Benefits
Better suited to realities of mesh construction and attachments off the mesh than Spanning Tree
Current model does not fit a mesh
They abandoned meshes long ago as too ill defined
Warning: wireless meshes must be well defined
Costs
Managing ARCs
What parameters
What algorithms
Robert Moskowitz, ICSAlabs

7. Questions This is just a framework for discussion July 2004
Robert Moskowitz, ICSAlabs