[alto] I-D Action: draft-ietf-alto-new-transport-10.txt

internet-drafts@ietf.org Mon, 12 June 2023 09:27 UTC

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Subject: [alto] I-D Action: draft-ietf-alto-new-transport-10.txt
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A New Internet-Draft is available from the on-line Internet-Drafts
directories. This Internet-Draft is a work item of the Application-Layer
Traffic Optimization (ALTO) WG of the IETF.

   Title           : The ALTO Transport Information Publication Service
   Authors         : Roland Schott
                     Yang Richard Yang
                     Kai Gao
                     Lauren Delwiche
                     Lachlan Keller
   Filename        : draft-ietf-alto-new-transport-10.txt
   Pages           : 49
   Date            : 2023-06-12

   The ALTO Protocol (RFC 7285) leverages HTTP/1.x and is designed for
   the simple, sequential request-reply use case, in which an ALTO
   client requests a sequence of information resources, and the server
   responds with the complete content of each resource one at a time.

   ALTO incremental updates using Server-Sent Events (SSE) (RFC 8895)
   defines a multiplexing protocol on top of HTTP/1.x, so that an ALTO
   server can incrementally push resource updates to clients whenever
   monitored network information resources change, allowing the clients
   to monitor multiple resources at the same time.  However, HTTP/2 and
   later versions already support concurrent, non-blocking transport of
   multiple streams in the same HTTP connection.

   To take advantage of newer HTTP features, this document introduces
   the ALTO Transport Information Publication Service (TIPS).  TIPS uses
   an incremental RESTful design to give an ALTO client the new
   capability to explicitly, concurrently (non-blocking) request (pull)
   specific incremental updates using native HTTP/2 or HTTP/3, while
   still functioning for HTTP/1.x.  TIPS also provides for an ALTO
   server to concurrently push specific incremental updates using native
   HTTP/2 or HTTP/3 server push.

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