Network and Firewall

Updated on 03 Nov 2021
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Each Endpoint Client (EPC) and Endpoint Hub (EPH) connect to the centralised controller and establish a secure TCP control connection.

Source	Destination	Protocol	Traffic Direction	Remarks
EPC	Controller	TCP 40001	Outbound	Controller control/test result connection using AES-128 encryption
EPH	Controller	TCP 40001	Outbound	Controller control/test result connection using AES-128 encryption

Tests are schedule by the controller which informs a source Endpoint (EPC or EPH) what the destination endpoint is and the type of test to perform. Equally the controller informs the destination endpoint (EPC or EPH) that at test is scheduled to be run against it. Once tests are completed the resuts are send from both endpoints involved in the test back to the controller over the endpoint -> controller secure connection established previously.

For P2P tests, test traffic flows directly between the Endpoints:

Source	Destination	Protocol	Traffic Direction	Remarks
EPC	EPH	UDP 29999	Bidirectional betwen Endpoints	P2P network test

For VoIP tests, test traffic flows directly between the Endpoints. A VoIP call is established between the source and destination endpoints using the standard Session Initiation Protcol (SIP) and then bidirectional audio data passes between them using the standard Realtime Protocol (RTP):

Source	Destination	Protocol	Traffic Direction	Remarks
EPC	EPH	TCP 5060 (SIP)	Outbound	Session Initiation Protocol
EPC	EPH	UDP 30000-50000 (RTP)	Outbound	Realtime Protocol (audio from source)
EPH	EPC	UDP 30000-50000 (RTP)	Outbound	Realtime Protocol (audio to source)

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