Bandwidth policy management in a self-corrected content delivery network

Patent metadata

Field	Value
Publication number	US-2016373547-A1
Application number	US-201615256008-A
Country	US
Kind code	A1
Filing date	Sep 2, 2016
Priority date	Feb 23, 2012
Publication date	Dec 22, 2016
Grant date	—

Abstract

In one embodiment of a network pipe optimization method, a network element may obtain at least one of a push pipe utilization report and a pull pipe utilization report from each distribution node of the content delivery network. Based on the utilization reports, the network element may determine new push pipe weights and new pull pipe weights for distribution pipes associated with each distribution node of the content delivery network. Using at least one of the new push pipe weights and new pull pipe weights, a network pipe utilization model associated with the content delivery network may be simulated. Responsive to determining that the simulated network pipe utilization model yields an improved utilization of the content delivery network, the new push pipe weights and new pull pipe weights may be distributed to each distribution node in the content delivery network.

First claim

What is claimed is:

1 . A method of managing pull pipe bandwidth in a content delivery network, comprising:
redirecting a request for a particular content to an edge server node that is pre-provisioned for a push policy based on a popularity distribution associated with the requested particular content; and adjusting a pull pipe portion of a regional level distribution pipe outgoing from a regional server node to the edge server node, wherein a pull pipe weight is assigned to the regional level distribution pipe upon taking into account an expected push pipe bandwidth consumption via the regional distribution pipe for the particular content such that a Quality of Service (QoS) requirement associated with delivery of the particular content to a requesting subscriber is satisfied.

2 . The method as recited in claim 1 , further comprising:
adjusting a pull pipe portion of a national level distribution pipe outgoing from a national distribution node to the regional server node, wherein the national distribution node is configured to distribute the particular content to the regional server node via the national level distribution node.

3 . The method as recited in claim 1 , wherein the popularity distribution associated with the particular content is determined based on at least one of content-specific trend data in a geographical region serviced by the content delivery network, demographic data of subscribers serviced by the content delivery network, and content-specific revenue sales data.

4 . A system for managing pull pipe bandwidth in a content delivery network, comprising:
a request redirector node for redirecting a request for a particular content to an edge server node based on a popularity distribution associated with the requested particular content; and means associated with the request redirector node for adjusting a pull pipe portion of a regional level distribution pipe outgoing from a regional server node to the edge server node, wherein a pull pipe weight is assigned to the regional level distribution pipe upon taking into account an expected push pipe bandwidth consumption via the regional distribution pipe for the particular content such that a Quality of Service (QoS) requirement associated with delivery of the particular content to a requesting subscriber is satisfied.

5 . The system as recited in claim 4 , further comprising:
means for adjusting a pull pipe portion of a national level distribution pipe outgoing from a national distribution node to the regional server node, wherein the national distribution node is configured to distribute the particular content to the regional server node via the national level distribution node.

6 . The system as recited in claim 4 , wherein the popularity distribution associated with the particular content is determined based on at least one of content-specific trend data in a geographical region serviced by the content delivery network, demographic data of subscribers serviced by the content delivery network, and content-specific revenue sales data.

Assignees

• Ericsson Ab

Inventors

• Phillips Chris
• Rodgers Jimmie

Classifications

• H04L47/70

  Admission control; Resource allocation · CPC title

• H04L47/26

  using explicit feedback to the source, e.g. choke packets · CPC title

• H04L41/0896

  Bandwidth or capacity management, i.e. automatically increasing or decreasing capacities (flow or congestion control using dynamic resource allocation, e.g. in-call renegotiation, H04L47/76) · CPC title

• H04L41/147

  for predicting network behaviour · CPC title

• H04L47/805

  QOS or priority aware · CPC title