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Mark Nottingham edited this page Aug 9, 2015 · 2 revisions

HTTP Ideas

HTTP/3

  • Transport
    • Path to application / application path metadata
    • FEC
    • UDP
    • Taking advantage of multipath
    • Out of order delivery
    • Unreliable (as a feature)
    • Taking advantage of multicast
    • Peer-to-peer / distributed HTTP / content-centric networking / NDN
    • Mobility
  • Up-front routing information
  • Web browsing focus? Other use cases? E.g., IoT?
    • Browser Profile for HTTP
    • Other profiles? E.g., IoT, app
  • Multiple metadata buckets / labels
  • Data-aware header encoding
  • Firm limits on protocol elements (sizes, etc.)
  • Energy efficiency
  • Clear layering / modularity - esp. relation to transport
  • Semantic backwards compatibility - how much can we break?
  • Security / encryption requirements
  • Resistance to traffic analysis
  • Built-in onion routing (lite?)
  • Notification / store-and-forward / pub/sub
  • Selective encryption
  • DoS resistance

HTTP/2 over TCP/TLS

  • Explore large latency optimisation
  • Recommended standards / usage for H2 over TCP
    • IW
    • TFO (including impact on specs/apps/apis)
    • Congestion control algorithms
    • Pacing
  • Connection timeout improvements
  • Congestion control tweaks for fairness relative to h1
  • Dynamic TLS record sizes
  • Explore / advise on use of multiple connections
  • Connection coalescing
  • Path to application / application to path?

HTTP/2 Extensions

  • ORIGIN Frame
  • Client certs
  • Priority improvements / modifications
  • websockets
  • PUSH for pub/sub and store-forward
  • Pushing DNS / certs
  • BLOCKED frame
  • PUSH hints?

HTTP/* Extensions

  • Blind Caching
  • Conditional-on-hash
  • replacement for content-md5 (use cases?)
  • encryption encoding
  • Multipart-range response media type replacement
  • zero knowledge proof
  • key
  • prioritisation hints - visibility, controls
  • partial upload
  • "delayed" requests - how long has been stored/in transit - including error responce semantics
  • High precision timestamps (in caching)
  • first party cookies
  • origin cookies
  • JSON header convention

Other

  • Health check convention / practices
  • New DNS records - available protocols, etc.)
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