Application-layer traffic optimization enhancements for content delivery networks

A traffic optimization, application layer technology, applied in the field of computer networks, can solve problems such as increasing the traffic cost of peers

Active Publication Date: 2012-01-11
JUMIPER NETWORKS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, although two peers may be members of the same service provider network, the overlay links connecting the peers may still cross multiple network boundaries, which would unnecessarily increase inter-peer transit costs for the service provider
Furthermore, while distributed applications invest additional bandwidth

Method used

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  • Application-layer traffic optimization enhancements for content delivery networks
  • Application-layer traffic optimization enhancements for content delivery networks
  • Application-layer traffic optimization enhancements for content delivery networks

Examples

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Embodiment Construction

[0035] figure 1 is a block diagram illustrating an exemplary network system 2 in which one or more network devices implement the techniques described in this disclosure to enhance seamless and transparent integration of application layer traffic optimization with content delivery networks. like figure 1 As shown, the exemplary network system 2 includes a content distribution network 6 and an access network 4 . Access network 4 may represent a public network owned and operated by a service provider to provide access to one or more user devices. As a result, the access network 4 may be referred to herein as a service provider (SP) network. In some cases, access network 4 may represent one or more autonomous systems under the control of a single administrator or a cooperative group of administrators. The access network 4 may be connected to one or more customer networks (not shown), each constituting a Layer 2 (L2) wired or wireless network. Reference symbols for numbered lay...

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Abstract

Using the ALTO Service, networking applications can request through the ALTO protocol information about the underlying network topology from the ISP or Content Provider. The ALTO Service provides information such as preferences of network resources with the goal of modifying network resource consumption patterns while maintaining or improving application performance. This document describes, in one example, an ALTO server that intersects network and cost maps for a first network with network and cost maps for a second network to generate a master cost map that includes one or more master cost entries that each represent a cost to traverse a network from an endpoint in the first network to an endpoint in the second network. Using the master cost map, a redirector may select a preferred node in the first network with which to service a content request received from a host in the second network.

Description

[0001] priority statement [0002] This application claims U.S. Patent Application No. 12 / 861,645, filed August 23, 2010, U.S. Patent Application No. 12 / 861,671, filed August 23, 2010, and U.S. Patent Application No. 12, filed August 23, 2010 / 861,681, each of which claims priority to US Provisional Application No. 61 / 349,467, filed May 28, 2010, the entire contents of which are incorporated by reference. technical field [0003] The present invention relates to computer networks, and more particularly, to enhanced content distribution. Background technique [0004] Peer-to-peer (P2P) applications exchange large amounts of data and generate large amounts of network traffic. P2P applications leverage multiple copies of data content at multiple different network nodes to allow requesting agents to obtain portions of data content from one or more of a number of possible data sources. This P2P distributed application improves application performance and scalability, and is oft...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L29/08H04L12/56
CPCH04L67/289H04L67/104H04L67/101H04L67/1002H04L47/70H04L67/1001
Inventor 扬·梅德维德雷纳尔多·皮诺萨蒂什·拉格胡纳斯马尤雷思·巴克什
Owner JUMIPER NETWORKS INC
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