As I recall, one of the key problems this group found was that GPRS had a very low incidence of packet loss. This was because the physical layer protocol had some error correction built in. TCP wasn't designed for this and ended up doing the wrong thing. This group proposed a custom reliable protocol between the mobile device and a proxy gateway, and their results showed improved performance.
We're not talking about GPRS but I am curious why there is so much packet loss?
Also, just FYI: MobiSys (the top academic conference on mobile systems) is happening in the DC area this week.
As I recall, one of the key problems this group found was that GPRS had a very low incidence of packet loss. This was because the physical layer protocol had some error correction built in. TCP wasn't designed for this and ended up doing the wrong thing. This group proposed a custom reliable protocol between the mobile device and a proxy gateway, and their results showed improved performance.
We're not talking about GPRS but I am curious why there is so much packet loss?
Also, just FYI: MobiSys (the top academic conference on mobile systems) is happening in the DC area this week.