Wrong forum to discuss. I'd suggest trying an appropriate 3GPP or 3GPP2 or
MWIF or 3G.IP or what have you acronym forum.
Murat Bilgic
> -----Original Message-----
> From: [EMAIL PROTECTED] [SMTP:[EMAIL PROTECTED]]
> Sent: Wednesday, March 14, 2001 2:17 AM
> To: [EMAIL PROTECTED]
> Subject: Question (2.5G and 3G): An all IP layer within the GGSN ?
>
> Hi all
>
> I was wondering if something I have been thinking about makes any
> sense.
>
> This concerns the upcoming (or so they say, the operators have
> been postponing the roll-out dates for the past one year) 2.5G
> and 3G networks (GPRS and UMTS/W-CDMA).
>
> Now, within a GPRS network, since the GGSN would be the bridging
> factor between the SGSN and the internet at large, and will
> include key functionalities like dishing out IP addresses to the
> GPRS handsets (via DHCP), will it make sense to have a mega IP
> management layer implemented real-time within the GGSN which will
> include functionalities like - efficient IP address management
> agents, quality of service, mobile IP support, multicast support
> layers, etc. ? I was also thinking of whether a IP proxy system
> in the GGSN which will act on behalf of the handset and which
> will let the handset remain dormant at will and not go into the
> PDP mode at the slightest amount of data would make sense. This
> way the handset may wish *not* to go into the PDP mode for a said
> period of time and the IP proxy system will be collecting all the
> incoming data for the handset. This may be useful for example
> when one if trying to download a file and knows that he/she will
> be moving into an area with poor radio coverage for the next few
> 10s of minutes. He/she may then start the download and relegate
> the operation to the proxy. In addition, I thought transition
> and tunneling tools for IPv6<->IPv4 at the GGSN would also be
> nice.
>
> Also, would it make sense to put a WAP gateway within the IP
> layer itself implying that we do not dedicate a server machine
> for the WAP gateway but make it an integral part of the GGSN
> itself running on a real time OS. Now, I know that WAP in its
> current version is not the best we can have and has lots of flaws
> (foremost of which is that it breaks the end-to-end model of the
> internet), but, with WAP 2.0, it promises to be totally IP based
> and will use XHTML for the data format. Now, in such a scenario
> it will become more of a data validation engine and some sort of
> content repurposing gateway to suit the various mobiles.
>
> Has anyone thought of or working on implementing an IP layer
> inclusive of a WAP gateway along with efficient mobile IP
> management functions ?
>
> --
> /amlan
>
>
