A method based on link-disjoint on-demand multipath routing that supports heterogeneous networking
A routing and networking technology, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve problems such as receiving buffer blockage, affecting network throughput, receiving node packet disorder, etc., to improve transmission performance and alleviate disorder The effects of sequencing and blocking problems
Active Publication Date: 2021-05-07
BEIJING CHERILEAD TECH
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[0003] Due to the different access methods and channel transmission capabilities of different subnets, the supported transmission rates and delays will also be different. Therefore, assigning data sources to different paths for transmission may cause out-of-order packets at the receiving node and block the receiving buffer. which in turn affects the throughput of the network
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[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention belong to the protection scope of the present invention.
[0031] Such as figure 1 and 2 As shown, an on-demand multipath routing algorithm supporting heterogeneous networking according to an embodiment of the present invention includes the following steps:
[0032] S11 The source node broadcasts and sends routing requests on all ports of the node;
[0033] S12 The destination node receives the routing request from the connection port, and then unicasts the routing response at the receiving port;
[0034] S13 The source node receives the routing r...
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The invention discloses an on-demand multi-path routing algorithm supporting heterogeneous networking, comprising the following steps: S11 source node broadcasts and sends routing requests on all ports of the node; S12 destination node receives routing requests from connection ports, then receives The port unicasts the routing response; S13 the source node receives the routing response, discards the path with a total hop count greater than 6, and selects a route with the least weight for each port of the source node under the premise of comprehensively considering the node load and path transmission delay . Beneficial effects of the present invention: the multipath routing algorithm in the present invention fully considers the performance differences of different subnets, and in the routing selection process, selecting the path with the smallest path performance difference for multipath routing can relieve the receiving end to a certain extent. Out-of-order and blocking problems, improve transmission performance.
Description
technical field [0001] The invention relates to the technical field of wireless networks, in particular to a disjoint-based on-demand multipath routing algorithm supporting heterogeneous networking. Background technique [0002] Wireless heterogeneous network can be understood as a complex network environment in which multiple wireless networks coexist. The strong advantages of heterogeneous networking are mainly reflected in the integration and complementary advantages of different subnets, and solve the load of a single network node, routing fault tolerance, reliability and QoS There are deficiencies in demand and so on. Multi-path parallel transmission can realize load balancing and bandwidth aggregation, improve network resource utilization, effectively avoid channel congestion, and improve network utilization as a whole. [0003] Due to the different access methods and channel transmission capabilities of different subnets, the supported transmission rates and delays w...
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IPC IPC(8): H04L12/721H04L12/707H04L12/751H04W40/02H04W40/10H04L45/02H04L45/24
CPCH04L45/02H04L45/026H04L45/124H04L45/14H04L45/24H04W40/02H04W40/10
Inventor 李玮郑应强阎威霍文阳
Owner BEIJING CHERILEAD TECH