Re: [quicwg/base-drafts] Updated spinbit text (#2564)

[Marcus Ihlar <[e-mail]>]

ihlar commented on this pull request.



> +only present in the short packet header, since it is possible to measure the
+initial RTT of a connection by observing the handshake. Therefore, the spin bit
+is available after version negotiation and connection establishment are
+completed. On-path measurement and use of the latency spin bit is further
+discussed in {{QUIC-MANAGEABILITY}}.
+
+The spin bit is an OPTIONAL feature of QUIC. A QUIC stack that chooses to
+support the spin bit MUST implement it as specified in this document.
+
+Each endpoint unilaterally decides if the spin bit is enabled or disabled for a
+connection. Implementations MUST allow administrators of clients and servers
+to disable the spin bit either globally or on a per-connection basis. Even when
+the spin bit is not disabled by the administrator implementations MUST disable
+the spin bit on a randomly chosen fraction of connections. The random selection
+process SHOULD be designed such that on average the spin bit is disabled for at
+least one eighth of network paths. The selection process should be externally

Agree, will change to connections. 

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