Hi Jojan,
thanks very much for your answer. The simulator is
written in C++; it uses OTcl as a command and
configuration interface.
But das Problem, This Roaming mechanism in Layer 2 is
not supported,and I must it implement in C++
I want to simulate handover process between 2 Access
Point.
I mean the following description
with other words:
- swichtes Roaming or
- a fast handoff mechanism for intra-domain
-------
| LAN |
-----
/ \
/ \
------ -------
|switch 1| |switch 2|
-------- ---------
/ \ /
/ \ /
--- --- ----
|AP1| |AP2| |AP3|
--- --- ----
=
=
=
MN >>>>>>>>>>>>>>>>>>>>
a mobile node move from old AP (AP1)to new AP (AP2 or
AP3).
AP are connected to a SWITCH or several swichtes.
To my understanding,I can?t use mobile IP, because it
concerns L2 Roaming(in the same EES) and ns does not
support WLAN roaming between access points.
can I implement this mechanism(L2-Roaming) in ns2
with HA,FA and CoA ?
thanks very much in advance
I work with NS-Network Simulator (ns2).
--- JOJAN <JOJAN@xxxxxxxxxx> schrieb:
> Hello,
>
> I Assume, you need help on implementing Wireless LAN
> Roaming.
>
> The roaming is accomplished by the help of two
> parties
>
> (a) The Distribution system (the collection of
> Wireless APs and the
> backbone, e.g., WDS)
> (b) The roaming enabled station.
>
> The station should actively participate in roaming
> by advance Authentication
> and Reassociation mechanisms. The rest is taken care
> of by the Distribution
> System. As per standards (802.11F) there is a
> protocol called IAPP - Inter
> Access Point Protocol, which is used by Access
> Points in the Distribution
> System to handle the Re-association requests.
>
> IF you can be more clear about your requirement, I
> would be able to help
> you.
>
> thanks
>
> Jojan T. Antony,
> Consultant,
> Wireless and Networking Group,
> Network Systems and Technologies Pvt. Ltd.,
> INDIA. (www.nestsoftware.com)
>
>
>
> -----Original Message-----
> From: vlan-bounces@xxxxxxxxxxxxxxx
> [mailto:vlan-bounces@xxxxxxxxxxxxxxx]On Behalf Of
> musta fatu
> Sent: Tuesday, August 09, 2005 6:21 PM
> To: vlan@xxxxxxxxxxxxxxx
> Subject: [VLAN] switches roaming mechanism
>
>
>
> Hello,
>
> I must to simulate wlan Roaming or wlan handover.
> do you have please a code in C++ ? help me please.
>
> I don?t habe an idea,how I implement it.
>
> only WLAN roaming consists of four distinct steps:
>
> - Disassociation
> - Search
> - Re-association
> - Authentication
>
>
> If someone can help me
>
> thanks very much in advance
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
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