Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Clarify how servers enable 0-RTT #3060

Merged
merged 1 commit into from Sep 24, 2019
Merged

Clarify how servers enable 0-RTT #3060

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Jump to
Jump to file
Failed to load files.
Diff view
Diff view
12 changes: 7 additions & 5 deletions draft-ietf-quic-tls.md
View file
Open in desktop
Expand Up @@ -623,11 +623,13 @@ A server MUST NOT use post-handshake client authentication (see Section 4.6.2 of

## Enabling 0-RTT {#enable-0rtt}

In order to be usable for 0-RTT, TLS MUST provide a NewSessionTicket message
that contains the "early_data" extension with a max_early_data_size of
0xffffffff; the amount of data which the client can send in 0-RTT is controlled
by the "initial_max_data" transport parameter supplied by the server. A client
MUST treat receipt of a NewSessionTicket that contains an "early_data" extension
To communicate their willingness to process 0-RTT data, servers send a
NewSessionTicket message that contains the "early_data" extension with a
max_early_data_size of 0xffffffff; the amount of data which the client can send
in 0-RTT is controlled by the "initial_max_data" transport parameter supplied
by the server. Servers MUST NOT send the "early_data" extension with a
max_early_data_size set to any value other than 0xffffffff. A client MUST
treat receipt of a NewSessionTicket that contains an "early_data" extension
with any other value as a connection error of type PROTOCOL_VIOLATION.

A client that wishes to send 0-RTT packets uses the "early_data" extension in
Expand Down