tcp socket for google app engine (external gateway)

Hello, our project have 2 "blocks" 1 2 [our tcp app]<-->[socket gateway]<-->[google app engine]<-->[our http app] 1- python socket server (TCP) will be hosted on Linux VPS : communicate bidirectional with our client app(tcp) and google app engine(http). 2- python hosted at google app engine : Store the data received from our tcp app at google app engine dataestore, send commands to our client app through the socket server, receive commands via http, send data stored at datatore through http when requested, erase stored data. thanks,