Application-Layer Traffic Optimization (ALTO) Incremental Updates Using Server-Sent Events (SSE), November 2020
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The Application-Layer Traffic Optimization (ALTO) protocol (RFC 7285) provides network-related information, called network information resources, to client applications so that clients can make informed decisions in utilizing network resources. This document presents a mechanism to allow an ALTO server to push updates to ALTO clients to achieve two benefits: (1) updates can be incremental, in that if only a small section of an information resource changes, the ALTO server can send just the changes and (2) updates can be immediate, in that the ALTO server can send updates as soon as they are available.
For the definition of Status, see RFC 2026.
For the definition of Stream, see RFC 4844.