bozu1206 / homaaeolussimulation

HomaAeolus

13 oct : still trying to create a simple situation with 2 or 3 hosts

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Three logs for three situation :

• 2hostNoGrant.txt is a simple situation where one host send a relatively small message (~1000 bytes).
• 2hostGrant.txt is a simple situation where one host send a message (~15000 bytes), in this configuration we can see the receiver host sending GRANT packets.
• 2host+randompacketdrop.txt is a simple situation where the TOR randomly drops a packet (random = $\text{Unif}_{[0, 1)}$), in this case the sender does not receive GRANT packet anymore and thus stop sending packet.

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18 oct : implement the retransmisson mechanism in case of packet drops

How to implement retransmission ?

Using timers : one at sender side and one at receiver side.

Sender side :

• When the app gives a message to the transport, bind a timer (a self message) to this message. If we receive back a GRANT delete the timer, else resend the message.

Receiver side :

• Bind a timer to messages, in case of timeout prepare and send a RESEND packet to sender, else the timer will be canceled.