help3002

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help3002

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UWA week 13 (1st semester, week 5) ↓

labs lab4 Q2 prioritise retransmit or new transmit (all 4)

2:43pm Tue 26th Mar, Christopher M.

ANONYMOUS wrote:

> In the slotted aloha, if a node is looking to retransmit message, does it not consider any new messages it may have to send while trying to retransmit? > > More specifically, each node has chance to transmit a new message, if a node is trying to retransmit will its chance to transmit new message be 0% as its focusing on retransmitting, or do we have to develop a queue of pending messages for each node?

We've been discussing Aloha in the context of the data-link layer, with the DLL needing to successfully transmit one frame before beginning the process for the *next* one. We should complete the re-transmission, before starting a new transmission (else the carried messages would arrive out-of-order).