A software-defined network routing method based on the multiplexing mechanism of flow entries
A technology of software-defined network and multiplexing mechanism, which is applied in network interconnection, data exchange network, electrical components, etc., can solve problems such as low service quality, insufficient flow aggregation capability, and easy link congestion, so as to improve service quality, Avoid the effect of traffic detour and expand the range
Active Publication Date: 2020-09-22
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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[0010] Aiming at the above-mentioned deficiencies in the prior art, in order to solve the above-mentioned problems, the present invention provides a software-defined network route selection based on a multiplexing mechanism of flow entries that reduces the number of flow entries, has high survivability, unimpeded links, and high service quality. The method solves the problems in the prior art that the flow aggregation capability is insufficient, the link is easily congested, and the flow detour leads to low service quality.
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[0037] The specific embodiments of the present invention are described below so that those skilled in the art can understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes Within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations using the concept of the present invention are included in the protection list.
[0038] In an embodiment of the present invention, a software-defined network routing method based on a flow entry multiplexing mechanism, such as figure 1 shown, including the following steps:
[0039] S1: For each service flow in the software-defined network, start the corresponding processing thread, and select several alternative paths for the flow in the software-defined network;
[0040] S2: According to the flow entr...
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The invention discloses a software-defined network path selection method based on a flow entry multiplexing mechanism, comprising the following steps: S1, start a processing thread; S2, select a working path; S3, select the next target working path; S4, calculate The current optimization goal and the next optimization goal; S5, generate an exponentially distributed timer, and start counting down; S6, judge whether to receive reset information; S7, update the latest feasible solution and the latest current optimization goal; S8: judge whether the countdown is End; S9, record the current optimization goal and its duration; S10, obtain the latest feasible solution and the latest current optimization goal, broadcast reset information and reset the timer; S11, judge whether all current optimization goals are stably converged to the latest current optimization Target. The invention solves the problems in the prior art of insufficient flow aggregation capability, easy link congestion and low service quality due to traffic detour.
Description
technical field [0001] The invention belongs to the technical field of software-defined networks, and in particular relates to a software-defined network routing method based on a flow entry multiplexing mechanism Background technique [0002] With the rapid development of the Internet, the scale of the traditional network continues to expand, and the problems of the Internet in terms of service quality assurance, security, and efficient management and control capabilities have become increasingly prominent. Software-Defined Networking (Software-Defined Networking, SDN) The new network architecture that uses flow entries to forward traffic has the characteristics of flexible structure, centralized configuration, and rapid deployment of network services, which can well solve these problems. The control layer of SDN is separated from the forwarding layer. The implementation of the forwarding layer depends on the flow entries uniformly configured by the control layer, and the f...
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IPC IPC(8): H04L12/709H04L12/723H04L12/707H04L12/721H04L12/741H04L12/801H04L12/891H04L12/46H04L45/243H04L45/24H04L45/50H04L45/74H04L47/41
CPCH04L45/22H04L45/245H04L45/38H04L45/50H04L45/74H04L47/12H04L47/41H04L12/4641
Inventor 章小宁陈博文王云青李毅超
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA