On Mon, Dec 5, 2011 at 11:25, Tao Sun <hisun...@gmail.com> wrote: > 4) Using RA to configure the route may cause potentially some messy. In 4G > cellular network, both GTP and PMIP protocal are used for mobility > management today. In GTP, it is a point-to-point link between mobile host > and PGW. However, in PMIP, PGW send /64 prefix to SGW through PBA. The SGW > sends RA to mobile host. If RA is also used for route configuration, how > SGW obtains the specific route information? how about the complexity due to > the large number of SGW as compared with PGW? how the SGW combine the > multiple RA route informatio nreceived from sources in use case 2 > since there is always only one SGW at a time? ... >
I'm not sure I understand this. Why can't you configure the SGW to include the RIO in the RA no matter what? If what you're doing is saying that certain carrier services must be on certain interfaces, then the more specific route(s) don't need to be different for each user, right?
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