Re: [Sipping] Request for Open discussion about SIP mobility

[Ashutosh Dutta <[e-mail]>]

Haruki,
        Thanks for bringing this discussion up again. Few years back we 
did create a mailing list and web page to add some of the references 
with respect to SIP-based mobility work. This reference list is not 
up-to-date by any means and needs to be updated as people have done more 
work on this recently.

Here is the pointer to the archive that has some relevant materials. I 
can update this list with more recent papers in this area.

http://www.argreenhouse.com/SIP-mobile/

Regards
Ashutosh


Haruki Izumikawa wrote:
> Hello folks,
> 
> I'd like to have an open discussion about SIP-based mobility in this ML.
> Mobility managements using SIP have been actively studied and developed
> worldwide since "Mobility Support Using SIP" (by Elin and Henning) was
> published. SIP-based mobility would have strong advantages such as its
> great affinity for an application as well as flexibility, i.e., terminal
> mobility can be optimally supported independent from underlying network.
> On the other hand, despite many advantages, it is not used for
> large-scale commercial yet. In addition, the discussion about SIP-based
> mobility in IETF seems to be undynamic.
> These days, a multimode terminal is getting popular. Each access
> networks, e.g., cellular and WLAN, have different characteristics in
> terms of throughput or delay. In such a heterogeneous network, SIP
> becomes more useful tool for mobility management because of its
> flexibility. The quality of a multimedia service can be adaptively
> changed in accordance with a nature of an access networks even after
> changing an access network. I think it is time to resume discussing
> about SIP-based mobility. For your information, I have submitted I-D
> regarding seamless session handoff by SIP-based bicasting.
> http://www.ietf.org/internet-drafts/draft-izumikawa-sipping-sipbicast-01.txt
> I would be happy to hear frank opinions of SIP specialists.
> 
> Best regards,
> 
> Haruki
> 
> 
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