> feels more elegant Yet, it's not. That kind of elegance ends up in application level implementations like STARTTLS and socket data becoming unusable on the

> feels more elegant Yet, it's not. That kind of elegance ends up in application level implementations like STARTTLS and socket data becoming unusable on the middle of a connection while both parties scramble to decide what to throw away and what to interpret. It does really look like the real thing, but it's decoupling things that are very coupled by definition.