glm-5.1 a596f0d188 docs(architecture): add alknet-call crate spec, ADR-012, resolve OQ-07
Add architecture specs for the alknet-call crate:

- call-protocol.md: CallAdapter, EventEnvelope wire format, bidirectional
  stream model with ID-based correlation, PendingRequestMap, protocol
  operations (call/subscribe/batch/schema), per-request identity resolution,
  connection/stream lifecycle, error codes

- operation-registry.md: OperationSpec, async Handler type, OperationRegistry,
  AccessControl with trusted call bypass, OperationEnv with context
  propagation (parent_request_id, identity inheritance), service discovery,
  irpc integration layering, naming convention (no leading slash in names)

- ADR-012: Call protocol uses bidirectional QUIC streams with EventEnvelope
  framing and ID-based correlation. Protocol is stream-agnostic and symmetric.
  Resolves OQ-07.

Key design decisions:
- Handler type is async (Fn returning Pin<Box<dyn Future>>)
- OperationEnv::invoke propagates parent context (identity, metadata,
  parent_request_id)
- Identity resolution is per-request, not per-connection
- Operation names without leading slash (fs/readFile, not /fs/readFile)
- Batch is a client-side pattern, not a protocol primitive (OQ-14)
- Phase 1 uses service/op paths, node prefix added later (OQ-13)

Also: promote ADR-010 and ADR-011 from Proposed to Accepted, add OQ-13
and OQ-14 to open-questions.md.
2026-06-16 14:22:20 +00:00

Alknet

Status: Pre-alpha — This project is undergoing a major architectural pivot to an ALPN-as-service model. The previous implementation has been archived and a greenfield rebuild is in progress.

A self-hostable networking toolkit built on QUIC+TLS with ALPN-based protocol dispatch. Each protocol handler (SSH, SFTP, Git, HTTP, DNS, messaging, call protocol) registers an ALPN string on a shared endpoint. The ALPN negotiation during the TLS/QUIC handshake routes connections to the correct handler before any application bytes are read.

Core Insight

A service IS an ALPN. One endpoint, one port, many protocols — dispatched by the TLS handshake, not by application-level peeking or separate listeners.

Crates

Crate Status Description
alknet-vault stable Local key vault: BIP39/SLIP-0010/AES-GCM key derivation and encryption
alknet-core planned ProtocolHandler trait, ALPN router, auth/identity, config
alknet-ssh planned SSH handler (russh), SOCKS5, port forwarding
alknet-call planned JSON-RPC call protocol (EventEnvelope framing)
alknet-fs planned Content-addressed file storage (iroh-blobs backend)
alknet-sftp planned SFTP handler (russh-sftp protocol core)
alknet-git planned Git smart protocol handler (gix)
alknet-http planned HTTP handler (axum, REST API, MCP)
alknet-dns planned DNS handler (hickory-proto, pkarr)
alknet-msg planned E2E encrypted messaging, mixnet support
alknet planned CLI binary (assembles and registers handlers)

Documentation

Reference implementation (previous architecture) is preserved at /workspace/@alkdev/alknet-main/.

License

Licensed under either of

at your option.

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in this work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.

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