Styles of Intermediation

摘要

Certain aspects of web technology continue to surprise me, no matter how well I think I understand them. Intermediation is one of them, and it comes in a couple of different flavors. First, there's protocol intermediation. Like all Internet protocols, HTTP can be proxied and often is. Enterprises deploy centralized proxies for caching, monitoring, and control. Web proxies can also run locally, and developers have long relied on them for debugging HTTP traffic.