Forwarding method and mpls device supporting multiple label assignment protocols working together
A technology of label distribution protocol and forwarding method, which is applied in the field of forwarding method and MPLS equipment, to achieve the effect of improving efficiency, eliminating error probability and saving labor cost
Active Publication Date: 2019-05-24
FENGHUO COMM SCI & TECH CO LTD
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[0004] The purpose of the present invention is to overcome the deficiency of the above-mentioned background technology and provide a forwarding method and MPLS equipment that support multiple label distribution protocols to work together, so that various label distribution protocols running on the MPLS equipment can work together without planning Considering label conflicts in complex environments and routing problems in routing conflicts, it improves the efficiency of network deployment, saves labor costs, and eliminates errors caused by manual planning operations
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[0020] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0021] see figure 1 As shown, the embodiment of the present invention provides a forwarding method that supports multiple label assignment protocols to work together, including the following steps:
[0022] Step S1: The current MPLS device judges whether the current MPLS device is currently processing the public network label path for the public network label distribution protocol or the private network label path for the private network label distribution protocol in the VPN environment according to the various label distribution protocols supported For the processing operation, if it is a public network label path processing operation, go to step S2; if it is a private network label path processing operation, go to step S3.
[0023] It can be understood that, in this embodiment, the public network label distribution protocol includ...
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The invention discloses a forwarding method and MPLS equipment supporting multiple label distribution protocols to work together, and relates to the technical field of data communication. The forwarding method includes: judging whether it is a public network label path processing operation or a private network label path processing operation; if it is a public network label path processing operation, using route priority and label priority to select the optimal entry as the real forwarding entry , and send it to the driver; if it is a private network label path processing operation, the private network and public network label associations are combined into a multi-layer label, the private network and public network route associations are combined into a real forwarding route, and the real forwarding route and the multi-layer The layer label is sent to the driver. The present invention enables various label distribution protocols running on MPLS equipment to work together, and no longer needs to plan and consider label conflicts in complex environments and route selection problems in case of route conflicts, thereby improving the efficiency of network deployment, saving labor costs, And eliminate the errors caused by human planning operations.
Description
technical field [0001] The present invention relates to the technical field of data communication, in particular to a forwarding method and MPLS (Multi-Protocol Label Switching, Multi-Protocol Label Switching) equipment supporting multiple label distribution protocols working together. Background technique [0002] In network construction and planning, MPLS technology is widely used in VPN (Virtual Private Network, virtual private network), traffic engineering, QoS (Quality of Service, quality of service) because MPLS supports multi-layer labels and forwarding plane connection-oriented features. )etc. [0003] However, in the actual application environment, it is often accompanied by the increase in the complexity of the network environment. The selection of label forwarding paths brought about by equal-cost routing, FRR (Fast Reroute, Fast Rerouting), and different label allocation protocols for the same route. , The association of private network labels and public network...
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IPC IPC(8): H04L12/723H04L12/741H04L45/50H04L45/74
CPCH04L45/50H04L45/507H04L45/745
Inventor 邢燕
Owner FENGHUO COMM SCI & TECH CO LTD