The invention discloses an NF information interaction method and device. The method comprises that a network functions repository functions (NRF) receives a service discovery request from an NF requestor, and the service discovery request comprises a service identification which the NF request asks to provide at least; and query is carried out according to the service identification, an NF provider that can provide the service asked by the NF requester and service related information of the NF provider are determined, and the service identification and the service related information of the NFprovider are sent to the NF request via a service discovery response.

Network function (NF) information interaction method and device

The invention provides a flexible data transmission system based on an SINET (Smart Identifier NETwork), comprising a resource management unit and a network assembly unit, wherein the resource management unit comprises a network state sensing module, a network state measuring module and a flexible transmission module, the flexible transmission module is used for calculating K shortest transmissionpaths and determining the optimal transmission path based on a network topology state and a network resource update state obtained by the network state sensing module as well as a network state linkmaximum available bandwidth and delay information measured by the network state measuring module. Through adoption of the flexible data transmission system of the invention, under centralized and unified control of an SINET control plane, the network state and the network assembly behavior are sensed, in combination with parameters such as routing hops, residual bandwidth and link delay, the optimal transmission path can be determined to achieve dynamic adaption and transmission of service resources, and data transmission reliability, network throughput, resource utilization rate are improved,link load balancing is achieved, so as to make up for the deficiency of a shortest routing method.

Flexible data transmission system based on SINET

An embodiment of the invention provides a message forwarding method and system in an information center network. The method mainly includes that an explorer inquires a service registry managed by the explorer according to a service mark in a service request packet; the service request packet is forwarded to a corresponding outlet according to service provider information corresponding to the service mark in the service registry when that the service corresponding to the service mark is in the autonomous domain is determined through inquiry; when that the service corresponding to the service mark is not in the autonomous domain is determined through inquiry, an inter-domain path mark directing to the next autonomous domain of the service provider corresponding to the service mark and related forwarding port information are obtained and the service request packet is forwarded to the next autonomous domain. According to the embodiment of the invention, analysis, searching and forwarding in the explorer of the service request packet in the information center network are realized. Each RM only needs to manage registered information including service marks and the like, so that RM load of operation of registration, update, deletion and like of service content is reduced.

Message forwarding method and system in information center network

The invention introduces a method and device for NF discovery through NRF and a readable storage medium, and the method comprises the steps: receiving a query message sent by a request end, and searching label information matched with the query message; And obtaining network function NF information associated with the label information, and sending the NF information to the request end. Accordingto the invention, universal label information can be automatically registered through the NF or configured through the NRF, and a universal query request of the NF is met according to the label information, so that the purpose of NF discovery through the NRF is achieved.

Method and device for NF discovery through NRF and readable storage medium

Wireless sensor networks have been widely studied for decades. There are many research areas that have been explored such as service availability and energy efficiency. Load balancing is one of the key techniques which can be used to solve the tradeoff between the both sides. In this paper, we propose a novel real-time load balancing technique which does not require the knowledge of static traffic demands and is based on control theory. We first formulate the packet forwarding problem into a classic control model and then derive the controller model. Then, we propose an algorithm to implement the controller and perform the simulation. The simulation results show that, our algorithm can balance the network traffic in real time and decreases maximum link utilization (MLU) sharply. Our algorithm reduces MLU by 78.4% compared to the shortest path first (SPF) routing and by 53.8% compared to another packet scheduling algorithm which was proposed in a previous work.

https://journals.sagepub.com/doi/pdf/10.1155/2014/212384

Control Theory-Based Load Balancing for Wireless Sensor Network

The invention discloses a method of registration service and a network ethnic group central control node and a system, and belongs to the technical field of communications. The method includes that the network ethnic group central control node receives change information which is sent by a router after storage service in router self buffer memory is changed, a login request is generated according to service binding information in a service information list, and according to a service identifier, service behavior describing information and an identification of the network ethnic group central control node, the service identifier and the service behavior describing information correspond to the service binding information, the service binding information which is stored by the change information self is updated by the change information, and the login request is sent to a service analysis server to conduct login. The method enables the network ethnic group central control node to be used as a service providing main body to provide service for a user terminal, therefore, a user has more selections to obtain service which is needed by the user terminal, main body obtaining service is provided by service with a non-busy link or a relatively-near distance link, and efficiency of the terminal obtaining service is improved.

Method of registration service and network ethnic group central control node and system

In this paper, we propose an approximate load balance approach based on the Identifler(ID)/Locator split routing architecture. In our approach, we propose a multipath method and a schedule algorithm. Both of them run on each router for scheduling each packet that is received from the connected host onto the proper path to the destination host. Our approach allows each router using the ID/Locator splitting to obtain the multiple paths between each pair of hosts. The merit of our approach is that the path is selected by each router individually to achieve load balance other than a central controller in the ID/Locator split routing architecture. The time complexity of the schedule algorithm is much lower than the linear programming (LP) and nonlinear programming (NLP). Simulation results show that, compared to the existing single path routing based on the ID/Locator split routing architecture, the mean of normalized link utilization (NLU) increases by more than 75% relatively on average of all simulated scenarios.

Approximate load balance based on ID/Locator split routing architecture

The invention discloses a method and a device of transmitting service messages, and belongs to the technical field of communication The method comprises that a network device receives service messages, and acquires service attribute information and destination addresses carried by the service messages; the network device confirms each interface corresponding to the destination addresses of the service messages according to at least one interface corresponding to each destination address recorded in advance and device link status information corresponding to each interface, and acquires the device link status information corresponding to each interface; the network device chooses the device link status information matched with service attribute information of the service messages in acquired device link status information; and the network device transmits the service messages through the interface corresponding to the chosen device link status information The method and the device of transmitting the service messages can improve the quality of service transmission in a communication network

Method and device of transmitting service messages

Internet architecture and internet service method and system thereof

The invention discloses a data packet transmission method and a network system. Path information is used for transmitting data packets, and the work load for address updating can be reduced. The method comprises that an initial node sends a service request to an adapter, the adapter determines a matched destination node according to the service request and determines the path information from the initial node to the destination node, and the path information is used for identifying a path from the initial node to the destination node; the initial node receives the path information sent by the adapter; and the initial node transmits the data packets to the destination node according to the path information. According to the data packet transmission method and the network system, the data packet transmission is achieved through the path information from the initial node to the destination node; in the prior art, the data packets are transmitted according to internet protocol (IP) addresses of nodes, and when the IP address of one node in a network is changed, the IP addresses in an address list are required to be updated for the nodes of the whole network; and compared with the prior art, the data packet transmission method and the network system have the advantages of being capable of effectively reducing the work load for address updating.

Data packet transmission method and network system

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