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HTTP/2 Trailers support

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  • Last reply by philipp

Alexander_Litus
Alexander_Litus
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HTTP/2 draft-14 Section 8.1. allows for an optional HEADERS frame ("trailers") following DATA frames in the HTTP request and response.

https://tools.ietf.org/html/draft-ietf-httpbis-http2-14#section-8.1

This is required to support implementations like gRPC in the browser (and future protocols built on HTTP/2).

Does Firefox currently support HTTP Trailers or just ignores them? Thanks.

HTTP/2 draft-14 Section 8.1. allows for an optional HEADERS frame ("trailers") following DATA frames in the HTTP request and response. https://tools.ietf.org/html/draft-ietf-httpbis-http2-14#section-8.1 This is required to support implementations like gRPC in the browser (and future protocols built on HTTP/2). Does Firefox currently support HTTP Trailers or just ignores them? Thanks.

Chosen solution

hi Alexander_Litus, i've asked in the developer channel for the networking component about this issue... apparently trailers are not supported right now in firefox (or rather silently discarded) - they get read in order to maintain the appropriate state in the header compressor, but then they are just thrown away.

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philipp
philipp
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Chosen Solution

hi Alexander_Litus, i've asked in the developer channel for the networking component about this issue... apparently trailers are not supported right now in firefox (or rather silently discarded) - they get read in order to maintain the appropriate state in the header compressor, but then they are just thrown away.

Alexander_Litus
Alexander_Litus Question owner
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Does Firefox team has plans for handling trailers to fully support gRPC? Please see gRPC protocol.

philipp
philipp
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i would encourage you to post this question directly to the networking team's mailing list to get a better answer about this (and maybe even get it on their radar): https://developer.mozilla.org/en-US/docs/Mozilla/Projects/Necko