Furthermore, we believe social data delivery
and social applications in mobile environments
rouse challenges in several layers of the Internet
protocol stack. Let us list three examples here.
First, we need a better transport layer protocol
to handle packet loss caused by wireless environment
and host mobility. Second, to efficiently
deliver popular content desired by multiple MSN
users, we need to deploy social-aware proxies in
the network infrastructure to eliminate duplicate
transmission. The deployment of those proxies
needs to carefully consider social connections,
users’ geolocations, and the topology of the
underlying wired/wireless Internet. Third, context-
aware services will become very useful in
MSNs. Such services will let user express their
demand for social activities in cyberspace in a
human-readable fashion, thus making social
interaction among mobile users easier. All three
of these examples need lots of work in data analyzing,
modeling, and prototyping.