Tunnel restraint information sending, receiving method and device

A technology for constraining information and sending methods, applied in the field of data network communication, and can solve problems such as inability to implement tunnel deployment
CN105681190AInactive Publication Date: 2016-06-15ZTE CORP
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
ZTE CORP
Publication Date
2016-06-15
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a tunnel restraint information sending, receiving method and device and relates to the field of data network communication. The tunnel restraint information sending method disclosed by the invention comprises following steps of when there are loose points in building a tunnel, setting the restraint condition between every two loose points in the tunnel by a head node; calculating a route from the head node to a first loose point; transmitting the calculated route information from the head node to the first loose point and the restraint condition between every two loose points to each follow-up node through protocol messages, wherein the restraint condition between every two loose points is used for route exclusion in calculating the loose point route. The invention also discloses a tunnel restraint information receiving method and tunnel restraint information sending and receiving device. According to the technical solution provided by the invention, the restraint of each segment of route can be deployed through extending a new sub-object; and the calculated tunnel route conforms to the deployment demand better.
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Description

technical field

[0001] The invention relates to the field of data network communication, specifically, a scheme for transmitting tunnel restriction information of an RSVP-TE tunnel during tunnel establishment. Background technique

[0002] RSVP-TE (ResourceReservationProtocol-TrafficEngineer, resource reservation protocol based on traffic engineering) is a traffic engineering technology based on MPLS. The forwarding of service traffic in the TE tunnel is realized through the four components of information release, path calculation, signaling interaction (RSVP-TE), and traffic forwarding.

[0003] The current network, especially the transmission of financial data, has strict requirements on the selection of paths, such as the cost, delay, and jitter of transmission links. Therefore, when the tunnel is established, these constraint conditions need to be submitted to the CSPF calculation unit for constraint calculation. These constraints need to be passed to downstream nodes ...

Claims

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