FT Introduction

1.Introduction

establishes the state necessary for data connectivity before the reassociation rather than after the re-association .

2. method:

FT-Over-air: interact with the target ap directly.

FT-Over-DS: interact with the target ap througt the ds.

3.Protocol

FT protocol

FT Resource request protocol

FT 4-way handshake

4.FT hierarchy key architecture

Third level

R0KH->R1KH->Ptk Key Holder

PMKR0Name->PMKR1Name->PMKID

5.capability:

beacon/probe response: MDIE/RSNIE

6.initial association

association request/response

FT 4way handeshake

7.FT Protocol

A.FT over air

authentication request/reponse

re-association request/response

B.FT over ds

FT request /response

re-association request/reponse

8.FT Resource Request Protocol

A.FT over air

authentication request/reponse/confirm/ack

re-association request/response

B.FT over ds

FT request /response/confirm/ack

re-association request/reponse