I-D Action: draft-hwang-silp-protocol-02.txt
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Internet-Draft draft-hwang-silp-protocol-02.txt is now available. Title: Semantic Interlingua Layer Protocol (SILP): A Payload Codec for Cross-Model Agent Communication Author: Juwan Hwang Name: draft-hwang-silp-protocol-02.txt Pages: 34 Dates: 2026-07-21 Abstract: This document specifies the Semantic Interlingua Layer Protocol (SILP), a black-box, text-interface payload codec designed for cross- model agent-to-agent communication. SILP defines a coarse-grained action-slot intermediate representation (IR) as the reference semantic layer and compiles it into multiple pluggable surface frontends -- code-like function-call syntax, pure JSON, natural language, and ML-compressed text. SILP is designed as a payload- layer option within existing agent transport protocols such as the Model Context Protocol (MCP) and Agent-to-Agent (A2A) protocol, which define transport envelopes and capability discovery but leave payload encoding unspecified. SILP provides compile/decode round-trip guarantees for lossless frontends, dynamic frontend negotiation via probe messages, session management with heartbeat renewal, and a verb whitelist verified across six production tokenizers for cross-model token-level stability. This document is a product of independent research and is not an IETF standard. It is published as an Informational document to establish a stable reference for implementers. The IETF datatracker status page for this Internet-Draft is: https://datatracker.ietf.org/doc/draft-hwang-silp-protocol/ There is also an HTML version available at: https://www.ietf.org/archive/id/draft-hwang-silp-protocol-02.html A diff from the previous version is available at: https://author-tools.ietf.org/iddiff?url2=draft-hwang-silp-protocol-02 Internet-Drafts are also available by rsync at: rsync.ietf.org::internet-drafts _______________________________________________ I-D-Announce mailing list -- [email protected] To unsubscribe send an email to [email protected]