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laforge, 03/10/2022 09:34 AM
Ladder Diagrams¶
Some ladder diagrams about the proposed OCTOI protocol.
Initial connection setup¶
Note: we might want to do something for DoS mitigation at the very initial step?
Both sides operate timeouts, if those occur, the entire procedure is aborted.
subsequent re-authentication¶
If there is no response to the AUTH_REQ within a timeout, up to three re-transmissions are attempted, before declaring the link as dead.
dead peer detection¶
Procedure operates on on both sides:
- Every time a packet is received, a timer is re-started. If the timer expires, the link is declared dead, and no further TDMoIP packets are transmitted.
- On the server side, a dead link means the worker port is closed.
- On the client side, a dead link means the client needs to start like in an initial connection attempt by contacting the well-known server port with a HELLO_REQ.
Updated by laforge about 2 years ago · 5 revisions