Patent ID: 9723049
Date: 2017-08-01
CPC Classifications: H04L,H04N

Claim:
1. An adaptive streaming aware network node able to stream video segments of a video session to a client, said video segments being available in one or more quality levels, and video segments being delivered to said client in a quality level specified in a request received from said client, wherein said adaptive streaming aware network node comprises a processor which executes: a session monitor configured to collect buffer fill information indicative of a buffer volume at said client occupied by said video session; a priority calculator configured to determine a priority level for video segments of said session as a function of said buffer fill information; and a marking video segment marker configured to mark video segments of said session with said priority level, wherein said priority calculator is configured to determine a differentiated services code point (DSCP) value when said buffer volume drops below a predefined threshold; and wherein said video segment marker is configured to insert said DSCP value in packet headers of packets belonging to said session.