Patent ID: 9137046
Filing Date: 2015-09-15
Classification: H04L,H04N

Abstract:
1. A method for scheduling reservations of resources in a packet-switched communication network including end-nodes and core network switches, said method comprising: receiving a resource advertising message including a timestamp advertising a time at which a stream would be provided by a node which sent the resource advertising message; including time information for each resource reservation request, issued by an end-node and forwarded, at a data link layer, by at least one core network switch, and requesting a resource reservation for receiving the stream at a time which is represented by said time information, said resource reservation scheduling being handled at a data link layer of an Open Systems Interconnection (OSI) model, said resource reservation request also including a time to release requested resources; storing said time information, included into each forwarded end-node request in correspondence with associated stream specifications, into at least one related database managed by a core network switch participating in said resource reservation request forwarding; and after receiving the stream from the advertising node, forwarding the received stream to the end node which requested the stream at the time that was included in the resource reservation message.