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Method, network device, and network system for transmitting data

A technology for network equipment and data transmission, applied in the field of computer networks, can solve problems such as not being suitable for dynamic or automatic adaptation to service node changes, service application changes not responding, etc.

Active Publication Date: 2018-02-02
JUMIPER NETWORKS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] While SEP may provide service sharing and enable other network devices to forward traffic via paths that meet the needs of the service application (e.g., in terms of provided Quality of Service (QoS), bandwidth, etc.), SEP is generally insensitive to service application changes. Response
In other words, while the control software that manages the forwarding plane of routers or switches along a SEP can be configured to adapt to network conditions by configuring paths that meet certain network requirements (e.g., in terms of bandwidth, quality of service, etc.), it does not Suitable for dynamic or automatic adaptation to changes in service nodes

Method used

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  • Method, network device, and network system for transmitting data
  • Method, network device, and network system for transmitting data
  • Method, network device, and network system for transmitting data

Examples

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Embodiment Construction

[0022] figure 1To illustrate a block diagram of an example network system 2 for using a feedback loop to establish a requested path through a multi-layer, multi-topology network that adapts to changes in service applications in accordance with the techniques described herein . The network system 2 includes: a multi-topology network 3 (hereinafter, "network 3"), the multi-topology network 3 is included between a network (such as an enterprise network 10), a host or any other network or network equipment (such as a service node 13) Multiple layers for transporting traffic.

[0023] Enterprise network 10 may represent a network owned and operated by an enterprise or merchant. Service nodes 13 may represent service cards or so-called "service blades" installed within or otherwise coupled to a network device such as network switch 6B, a virtual network device executing within the network device. device or individual physical network devices. In any event, the service node 13 ma...

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Abstract

This disclosure generally describes techniques for providing a feedback loop of a service engineering path. A service node comprising an interface and a control unit may implement the present technique. The interface receives traffic via an intra-network path configured to direct traffic from an ingress network device of the path to the service node. The control unit applies one or more services to traffic received via the path and generates service-specific information related to applying the one or more services to traffic. The interface then sends the service-specific information to at least one network device configured to forward traffic via the path such that the at least one network device configured to forward traffic via the path The path can be adjusted based on the service specific information.

Description

[0001] Cross References to Related Art [0002] This application claims the benefit of US Patent Application Serial No. 13 / 534,121, filed June 27, 2012, the entire contents of which are incorporated herein by reference. technical field [0003] The present invention relates to computer networks, and more particularly, to the transmission of data within computer networks. Background technique [0004] Recently, network devices forming computer networks have been adapted to implement a form of networking known as "software-defined networking." In software-defined networking, the forwarding plane of a network switch, router, or other network device is made available via a communication protocol such that the forwarding plane is configurable via a communication protocol rather than a routing protocol. In many implementations, a network device can execute software to enable communication via the communication protocol with other network devices in the network to configure paths ...

Claims

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Application Information

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IPC IPC(8): H04L12/701
CPCH04L67/1029H04L67/1025H04L67/1008H04L67/51H04L67/63
Inventor 詹姆士·吉夏尔戴维·沃德扬·梅德维德玛齐克·康斯坦蒂诺维奇
Owner JUMIPER NETWORKS INC
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