At one point with http only your isp could do its own cache, large corporate it networks could have a cache, etc. which was very efficient for caching. But horrible for privacy. Now we have CDN edge caching etc but nothing like the multi layer caching that was available with http.
At one point with http only your isp could do its own cache, large corporate it networks could have a cache, etc. which was very efficient for caching. But horrible for privacy. Now we have CDN edge caching etc but nothing like the multi layer caching that was available with http.