A reverse agent is like the person who takes your order at the restaurant
The restaurant analogy feels a bit complicated, but still feels like a forward proxy. The person accepting your order is a forward agent because they accept your request and pass it on to the cook. So it's kind of like the parent example. The reverse proxy analogy might be: there are a lot of people in the kitchen preparing meals for you, but a server will collect them and deliver them to you.
For reverse proxies, I like to use the alphabetic analogy. Many people send you letters, bills, and junk mail. Instead of giving them to you directly, they use a system where a postal worker delivers them to you through your mailbox.
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