A multi-priority cross-domain resource reservation integration service guarantee method

A resource reservation and multi-priority technology, applied in the direction of digital transmission system, data exchange network, electrical components, etc., can solve the problems of low data forwarding efficiency of MPLS technology and insecure service quality of network key business transmission, etc., to ensure service Effects of quality and sustainability, ease of management, and improved processing efficiency
CN108924054BActive Publication Date: 2019-04-16NAT UNIV OF DEFENSE TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NAT UNIV OF DEFENSE TECH
Publication Date
2019-04-16

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Abstract

The present invention provides a multi-priority cross-domain resource reservation integration service guarantee method, the process is as follows: S1: configure a centralized management framework; S2: the transmission domain broadcasts the routing information to the regional management service node S-QoSM, and the S-QoSM collects The routing information is reported to the master control management service node M-QoSM; S3: M-QoSM calculates the global routing view; S4: All end users submit QoS requests to M-QoSM, and M-QoSM collects the QoS requests of end users; S5: M ‑QoSM queries the location of the access router; S6: M‑QoSM calculates the transmission path between domains; S7: S‑QoSM calculates the transmission path in the domain; S8: The border router returns the reservation result to S‑QoSM, and S‑QoSM then sends the reservation result Return to M‑QoSM; M‑QoSM assigns a globally unique flow identification label and sends it along with the resource reservation. The invention can select an optimized boundary-to-boundary global flow identification label path according to the QoS requirement of the flow, and optimize the use of network resources through explicit routing, thereby significantly improving the service quality of the network from end to end.
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Description

technical field

[0001] The invention relates to resource reservation-oriented integration service guarantee technology in the field of computer networks, in particular to a multi-priority cross-domain resource reservation integration service guarantee method. Background technique

[0002] Nowadays, Internet applications are in full swing, IP broadband services are developing rapidly, and network traffic is constantly expanding. Traffic engineering technology is used in the backbone network to balance loads, maximize resource utilization, and reduce congestion to ensure the IP service quality of application services ( Quality of Service, referred to as QoS) requirements.

[0003] Multi-Protocol Label Switching (MPLS) is a new generation IP high-speed backbone network switching standard proposed by the Internet Engineering Task Force (IETF). MPLS uses a 20-bit label (label) for data forwarding. When a packet enters the network, a fixed-length short label is assigned to it, a...

Claims

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