def __init__(self, checker, port):
""" Initialize the RoboEarth Cloud Engine realm.
@param checker: Login checker which authenticates the User when
an initial request is received.
@type checker: twisted.cred.checkers.ICredentialsChecker
@param port: Port where the robot process is listening for
connections from other endpoints.
@type port: int
"""
self._checker = checker
self._port = port
self._network = Network()
self._balancer = LoadBalancer()
self._distributor = Distributor()
self._users = {}
self._pendingContainer = {}
