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Why allow empty STREAM frames when offset is zero?

Dmitri Tikhonov <dtikhonov@litespeedtech.com> Thu, 10 May 2018 18:05 UTC

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Date: Thu, 10 May 2018 14:05:25 -0400
From: Dmitri Tikhonov <dtikhonov@litespeedtech.com>
To: IETF QUIC WG <quic@ietf.org>
Subject: Why allow empty STREAM frames when offset is zero?
Message-ID: <20180510180509.GA2505@ubuntu-dmitri>
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[draft-ietf-quic-transport-11] says the following:

   A stream frame's Stream Data MUST NOT be empty, unless the offset is
   0 or the FIN bit is set.

Why allow empty STREAM frames when the offset is zero?  What is the
purpose?

  - Dmitri.

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