2011/11/11, Hidetoshi Yokota <[email protected]>: > Hi Charlie, > > (2011/11/11 6:42), Charles E. Perkins wrote: >> >> Hello Hidetoshi, >> >> On 11/10/2011 4:41 AM, Hidetoshi Yokota wrote: >>> Hi, >>> >>> I think that the point is to give a choice to the network and user if >>> mobility is needed or not. Some applications benefit from seamless >>> mobility (e.g., VoIP), but others may not (e.g., Web access). The >>> network and user should be able to specify the capability of mobility >>> and appropriate access network for each application. In that sense, >>> Dynamic MM is an interesting feature. >> >> I pretty much agree with this; I expect that working out the >> details will be pretty tedious and perhaps even contentious. >> >> >>> I agree that the current 3GPP architecture is very complicated and may >>> not be optimal, but I don't think it is a good idea to change it in >>> IETF... >> >> I agree we can't "change" 3GPP architecture in the IETF, but >> we can respond to the needs which are evident from considering >> the 3GPP architecture. It seems very few believe that LTE >> is really immune from further evolution and even significant >> change in the future. If IETF does NOT respond to the needs made >> evident in current 3GPP specifications, we have little hope of >> proper integration into their future evolved designs. > > I fully agree with your point and am glad you initiated this discussion. > One of the reasons for its complicatedness is that the 3GPP architecture > has been incrementally built considering all the backward compatibility > and interoperability along with introducing new features and minimizing > the unhappiness of all. I respect this effort and achievement we all > enjoy today. On the other hand, the current mobile traffic is way too > much for this architecture to be able to handle. If IETF can contribute > to tackling this issue toward the future evolved design, it will be very > valuable. I don't know if DMM is the start point or we need a new WG, > but we still have a high mountain to climb.
I fully aggree with this point. The mobile operators faces the presure of rapidly traffic increasing. We should consider this point when we try to optimize mobility protocols. regards, Dapeng > Regards, > -- > Hidetoshi > >> Regards, >> Charlie P. >> >> >> > > > _______________________________________________ > MEXT mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/mext > -- ------ Best Regards, Dapeng Liu _______________________________________________ MEXT mailing list [email protected] https://www.ietf.org/mailman/listinfo/mext
