Subject: [quicwg/base-drafts] Probing and connection migration (#880)

From: janaiyengar <[email-masked]>
Date: Tue, 17 Oct 2017 04:31:35 +0000 (UTC)

#161 and #732 assume a make after break model, where only one network is available at any given time for an endpoint to migrate to. This is generally too simplistic, and it is common for mobile devices to have access to both WiFi and cellular. Connection migration needs to be more nuanced about probing and using the multiple available networks. Experience with GQUIC and MPTCP shows that having access to multiple networks is almost necessary for useful connection migration.

We should design migration carefully based on known best practices and experience. The current text is necessary but insufficient, and this issue is a placeholder for improving this set of mechanisms in the draft.

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