Bytes Vs Packets - Random Early Detection (RED)

"karthikbg" hath wroth:

Good for what? UDP(non-adaptive) or TCP(adaptive) or mixed traffic? Large or small packets? ATM or IP layer? With or without QoS (may be impossible)? Using whos algorithm?

For what are you trying to optimize? Bandwidth or latency (for VoIP)? This is far to general a question.

Hmmm... sounds like a student question. I think you need to do some more reading before you ask others to do your homework. If not a student, you need to explain what problem you are trying to solve. The best method used to drop packets varies with just about everything (type of traffic, protocols, buffer type, router horsepower, QoS, etc).

Check the periodicals and publications from the IEEE and ACM at:

You're also asking in the wrong newsgroup. Try:

instead.

I found one old paper that might be relevant:

Got the answer via google.

Byte's Advantage ============= For a router where the transmission delay for a packet is largely a function of the size of the packet in bytes, then measuring the queue in bytes has the advantage that the average queue size corresponds to the average queueing delay for a packet, in seconds.

Packet's Advantage =============== For a router where the transmission delay for a packet is fixed, regardless of the size of the packet in bytes, then measuring the queue in packets gives the most accurate indication of the average queueing delay for an arriving packet.

Thx, Karthik Balaguru