# Establish connection from endpoint 1 to endpoint 2
self.establish_connection(self.endpoint1, self.endpoint2, data2)
# Establish connection from endpoint 2 to endpoint 1
self.establish_connection(self.endpoint2, self.endpoint1, data1)
# Establish connection from endpoint 1 to endpoint 2
self.establish_connection(self.endpoint1, self.endpoint2, data2)
# Establish connection from endpoint 2 to endpoint 1
self.establish_connection(self.endpoint2, self.endpoint1, data1)