From 7deef94477f5033ef9dab10d6a85967c04550039 Mon Sep 17 00:00:00 2001 From: Mike Bishop Date: Tue, 6 Oct 2015 11:15:00 -0700 Subject: [PATCH] Alternates are authoritative An alternate can send an Alt-Svc field that overrides that sent by the origin and is cached on an equal basis. --- draft-ietf-httpbis-alt-svc.xml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/draft-ietf-httpbis-alt-svc.xml b/draft-ietf-httpbis-alt-svc.xml index 81c6e31d9..2c6a27580 100755 --- a/draft-ietf-httpbis-alt-svc.xml +++ b/draft-ietf-httpbis-alt-svc.xml @@ -303,6 +303,11 @@ uri-host = <uri-host, see > mechanism is intended for limiting how long an alternative service can be used for establishing new connections, not limiting the use of existing ones. + + Alternative services are fully authoritative for the origin in question, including + the ability to clear or update cached alternative service entries, extend freshness + lifetimes, and any other authority the origin server would have. + When alternative services are used to send a client to the most optimal server, a change in network configuration can result in cached values becoming suboptimal. Therefore, clients &SHOULD;