Intelligence Directory

Kazuho Oku

Principal OSS Engineer at Fastly, author of the H2O HTTP/2 and HTTP/3 server, quicly and picoTLS. The IETF Datatracker profile captured on 31 August 2026 lists four RFCs, including RFC 10036.

Public role: Principal OSS Engineer at Fastly, author of the H2O HTTP/2 and HTTP/3 server, quicly and picoTLS. The IETF Datatracker profile captured on 31 August 2026 lists four RFCs, including RFC 10036.

What to know first

Public rolePrincipal OSS Engineer at Fastly, author of the H2O HTTP/2 and HTTP/3 server, quicly and picoTLS. The IETF Datatracker profile captured on 31 August 2026 lists four RFCs, including RFC 10036.Medium confidence
Source basisPublic directory evidenceMedium confidence
Last verifiedAug 31, 2026High confidence

Basic information

NameKazuho OkuHigh confidence
Public rolePrincipal OSS Engineer at Fastly, author of the H2O HTTP/2 and HTTP/3 server, quicly and picoTLS. The IETF Datatracker profile captured on 31 August 2026 lists four RFCs, including RFC 10036.Medium confidence
Last verifiedAug 31, 2026High confidence

Related entities, projects, and resources

Editorial contextKazuho Oku and the Header That Makes Refusal Legible but Cannot Promise Streaming, An HTTP field can require a proxy that understands it to reject instead of quietly buffering. It cannot command a proxy that has never learned the field. RFC 10036 improves the evidence around incremental delivery precisely by preserving that distinction.Medium confidence