Always Networks Blog - TCP

CCIE Written Blueprint: 1.1.f Explain UDP operations

Wed 20 August 2014

This topic made me think about the starvation stuff. I suppose it is pretty obvious that UDP wouldn't back off if WRED was employed, but it's something I never really thought about.

I found a few good videos on YouTube which gave some good RTP/RTCP overviews.

1.1.f (i) Starvation

TCP Starvation / UDP Dominance is experienced in times of congestion where UDP and …

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CCIE Written Blueprint: 1.1.e Explain TCP operations

TCP - I thought I'd glance over this section. Turns out there was some stuff I'd never heard of, such as the bandwidth delay product.

1.1.e (i) IPv4 and IPv6 PMTU

Path MTU Discovery is the process of sending increasingly larger packets with the DF bit set, until finally a ICMP Destination Unreachable (Packet too large, DF bit set) message is received. The size …

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