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Routing device having integrated MPLS-aware firewall

A technology of firewall and state firewall, applied in the field of computer network, can solve the problems of increasing the configuration and management burden of service providers, increasing the number of devices, etc.

Active Publication Date: 2013-08-14
JUMIPER NETWORKS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the deployment of these firewall appliances increases the number of appliances that service providers must manage and deploy
This increases the configuration and management burden on the service provider and creates power, thermal, cooling, storage rack area, and other issues for administrators

Method used

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  • Routing device having integrated MPLS-aware firewall
  • Routing device having integrated MPLS-aware firewall
  • Routing device having integrated MPLS-aware firewall

Examples

Experimental program
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Embodiment Construction

[0030] figure 1 is a block diagram illustrating an exemplary network environment 2 in which a service provider network 4 provides connectivity between customer virtual private network (VPN) sites 6A-6N (collectively VPN sites 6). exist figure 1 In the example of , VPN site 6 includes customer edge (CE) routers 8A-8N connected to provider edge (PE) routers 10A-10N of service provider network 4 via network links 16A-16N.

[0031] In one example, the service provider network 4 supports a provider provisioned VPN (PPVPN). PE routers 10A-10N (collectively PE routers 10) route messages for customer VPN sites 6 through service provider network 4 and possibly through other intermediate networks. The service provider network typically includes a set of PE routers 10 at the edge of the network interconnected with internal routers and other network devices via high-speed network links. Such as figure 1 As shown, the internal router may be a Label Switching Router (LSR) providing a Mu...

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PUM

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Abstract

An MPLS-aware firewall allows firewall security policies to be applied to MPLS traffic. The firewall, which may be integrated within a routing device, can be configured into multiple virtual security systems. The routing device provides a user interface by which a user specifies one or more zones to be recognized by the integrated firewall when applying stateful firewall services to the packets. The user interface allows the user to define different zones and policies for different ones of the virtual security systems. In addition, the user interface supports a syntax that allows the user to define the zones for the firewall by specifying the customer VPNs as interfaces associated with the zones. The routing device generates mapping information for the integrated firewall to map the customer VPNs to specific MPLS labels for the MPLS tunnels carrying the customer's traffic.

Description

technical field [0001] The present invention relates to computer networks, and more particularly, to network devices for routing data packets within computer networks. Background technique [0002] A computer network is a collection of interconnected computing devices that exchange data and share resources. In packet-based networks, such as the Internet, computing devices communicate data by dividing the data into small chunks called packets. The data packets are respectively routed from the source device to the destination device through the network. The destination device extracts the data from the packets and assembles the data into its original form. Dividing the data into packets enables the source device to retransmit only those individual packets that may have been lost during transmission. [0003] A private network may include multiple devices, such as computers, owned or managed by a single enterprise. These devices may be grouped into site networks, and these ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/70H04L29/10H04L12/46H04L45/50H04L45/60
CPCH04L45/04H04L12/4633H04L45/50H04L63/0272H04L63/0227H04L12/4641H04L45/60
Inventor 卡纳安·瓦拉德汉若昂·坎佩洛·F·N·戈梅斯
Owner JUMIPER NETWORKS INC
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