Here are some more notes from my studies. Of course, no one cares about them but me, but it’s my blog. I’m sure someone will find it useful. Please help to correct dumbass mistakes. Congestion Speed mismatch – traffic leaves a lower-bandwidth interface than the one it came in on Aggregation problem – lots...
Posts Tagged ‘ 642-845 ’
ONT Notes – Classification, Marking, and NBAR
Here’s another set of notes from my ONT studies. I’m sure someone will find it useful. Please help to correct dumbass mistakes. Classification is done with traffic desriptors Ingress interface CoS value on ISL or 802.1P frames Source/destination IP address IP Precedence or DSCP value MPLS EXP Application type Layer 3 QoS Type of...
ONT Notes – Intro to QoS
I’ll try to keep it a little shorter this time. Major issues for converged enterprise networks Available bandwidth: competition among applications Fixes Increase bandwidth: More power! Properly queue based on classification and marking: QoS Compress: cRTP, TCP header compression, etc. Delay: Lead time to get a packet to the destination Types of delay Processing...
ONT Notes – VOIP Networks
Here are some of the notes I’ve been taking while reading over the ONT book. I hope it benefits somebody. Feel free to correct any stupid mistakes as a paraphrase to avoid a lawsuit. There’s way too much info here. I’ll refine the process a little better for the next topics. Benefits of Packet...
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