Network Engineering
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jonathanjo

Once upon a time a computer programmer I have been connecting networks since the 1980s. Nowadays mostly management consultancy but still have to be practical from time to time.

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47 Why isn't UDP with reliability (implemented at Application layer) a substitute of TCP? Jun 27 '19
24 acknowledgment by TCP does not guarantee that the data has been delivered Dec 20 '18
23 Where is Ping's “round-trip time” stored in the IP header? Sep 14 '18
19 Worst-case efficiency of PPP escaping mechanism Feb 5
12 Do network adapters read incoming bits in a single stream? Oct 17 '18
11 Why couldn't a nework address be used as as broadcast address as well? May 21 '18
10 Appropriate certificate to ask for a fibre installation (ANSI/TIA-568.3-D?) May 2 '19
9 Analyze Network Traffic by Autonomous System Number? Jan 16 '19
9 Does every host on the LAN share the same ARP table, or do hosts keep them individually? Feb 17 '19
9 Why is the BGP base on TCP 1027 rather than 179? Nov 26 '18
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