Pipelining doesn't specify which requests are okay to be pipelined and which aren't, but pipelined requests should be idempotent, and POST requests should not b

Pipelining doesn't specify which requests are okay to be pipelined and which aren't, but pipelined requests should be idempotent, and POST requests should not be assumed to be idempotent, whereas GET and HEAD requests should be assumed to be idempotent.