TCP Packet Visualization for Facebook News Feed
Looking at the TCP packets transmitted during a webpage load can be quite overwhelming. Here is a very interesting way of visualizing the TCP packet communication when loading the Facebook News Feed...
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Beware of Blind Spots in Browser Network Capture Tools
We all know how dangerous blind spots are when driving. Before changing lanes or making a turn, you check your mirror and turn your head to ensure there is no car in your blind spot. Make a decision...
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On Mobile, Data URIs are 6x Slower than Source Linking
Today’s blog is a repost from Peter McLachlan, Chief Architect at Mobify. The article originally appeared on Mobify’s blog on July 23, 2013. As a web developer, you’re likely well aware that a key...
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TCP Flags and What They Mean
So you’re reviewing a packet capture and you come across the TCP headers with the URG or PSH flags set. Have you ever wondered what they mean? Or what they do? Or what they’re supposed to do? Let’s...
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TCP over IP Anycast – Pipe Dream or Reality?
The following article by Ritesh Maheshwari details how LinkedIn, a Catchpoint customer, switched their DNS solution from Unicast to Anycast, and was originally posted on LinkedIn’s Engineering blog....
View ArticleTCP Flags Continued: CWR + ECE
Today we venture forth looking at a couple of additional flags found in the TCP header: CWR and ECE. These TCP flags are used together with two flags in the IP header (ECT and CE) to warn senders of...
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