Laststeuerung für Multicast-Sender

Details

Veröffentlichungs-Nr.

EP4815404

Anmeldetag

24. März 2025

Veröffentlichung

30. September 2026

Rechtsraum

EP

Abstract

A method of managing content delivery to a client device by way of a proxy and a multicast transmitter in a hybrid unicast/multicast content delivery system. A plurality of proxies are used to handle unicast GET requests for content segments from its associated client device. Those requests can be forwarded over unicast directly to a unicast content server before receiving the response over unicast and forwarding that to the client device over unicast. Alternatively, those GET requests can be forwarded to the multicast transmitter where they can trigger a multicast response for delivering the requested content segment on a multicast channel. The multicast transmitter can be configured to send over the multicast channel to connected proxies an advance notification that the content segment will be transmitted over the multicast channel shortly. Proxies receiving the advance notification do not need to send any GET requests for that segment to the multicast transmitter, but instead send a HEAD request directly to the content server, in the knowledge that the content segment will be received over multicast shortly.

Anmelder

Firma

British Telecommunications Public Limited Company

Land

🇬🇧 Großbritannien