Many enterprises these days use what we call a multi-CDN strategy to ensure content reaches their audience reliably. Usually this involves one or more public CDNs in combination with a private CDN solution, to balance coverage, performance and cost. A multi-CDN approach lets content owners, broadcasters and technology companies deploy resources flexibly to deliver superior web and video experiences at scale.
In this blog series, we’ve been looking inside Varnish to see what’s under the hood. There’s a lot more going on than meets the eye, beyond simple caching, beyond even Varnish Configuration Language.
While we have spent some time explaining all the surprising things that the Varnish private CDN solution contains under the hood, an important factor in performance is being able to understand what’s going on under the hood one level deeper, at a more diagnostic level.
Many Varnish users experience Varnish only as an HTTP reverse proxy. Widely adopted to be the middle man sitting between your traffic and your web service, Varnish helps you achieve speed at scale and protects you from unpredictable traffic peaks.