This is the traffic increase (in number of requests) that what we saw on 1.1.1. WhatsApp is the go-to instant messaging app for smartphones and now desktop computers with Whatsapp Web making it very convenient for users. “This happened in part because apps won’t accept an error for an answer and start retrying, sometimes aggressively, and in part because end-users also won’t take an error for an answer and start reloading the pages, or killing and relaunching their apps, sometimes also aggressively. Users in Brazil, Jamaica, Canada, Israel, India, Russia, Egypt, the US, the UK and other locations have been affected, according to social media reports. WhatsApp users reported outages and unstable functioning of the messenger worldwide Wednesday afternoon. A tsunami of additional DNS traffic follows.” reads a post published by Cloudflare. READ MORE: WhatsApp down: Facebooks messaging app suffers worldwide outages. Now human behavior and application logic kicks in and causes another exponential effect. We get hit by a massive flood of DNS traffic asking for ” states the Graham Cumming. are down… guess what happens? People keep retrying.
runs a free DNS resolver, 1.1.1.1, and lots of people use it. The expert also warned of a massive flood of DNS traffic asking for.
John Graham-Cumming, CTO at Cloudflare, reported that some minutes before Facebook’s DNS outage began they observed a large number of BGP changes for Facebook’s ASN a circumstance that suggests BGP routing problems.
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