Abstract
For households, water supply, power supply, pipeline gas and centralized heating are necessaries to maintain the normal life of a family. For Chinese urban families, water, electricity, gas, warm services are often provided by different government utility companies. Aimed at the shortage of the manual measurement of the above mentioned services‘ consumptions, a new mechanism using network metering devices is proposed in this paper. Based on the general network measurement mechanism and through analysis, this paper proposes using meter communication network as the public communication network of various metering devices, forming wireless mesh network by metering devices, constituting a virtual private network by the power company's network, and accessing to metering network based on SCEP protocol and certificates of devices. Under this new network measurement mechanism, a network routing optimization strategy, a data acquisition protocol based on IPv6 and a mesh network management system are designed, and preliminary experiments have been carried on. Experimental results show that the proposed mechanism can realize functions through the network, including the control of multi-measuring devices, topology discovery, data acquisition, fulfilling the multi-meter data acquisition system via network.
Highlights
Water supply, power supply, pipeline gas and centralized heating are necessaries to maintain the normal life of a family
SCEP is a certificate-based authentication protocol method in the security architecture proposed in this paper, in developed by Cisco, which binds user identity, and the public which measurement terminals, including various meters, are acquisition and certificate registration
In the support of the above mentioned virtual private network and large scale IPv6 measuring network, a network measurement management system is designed in order to achieve data acquisition from a variety of meters, identity authentication and remote service purchase and management
Summary
Water supply, power supply, pipeline gas and centralized heating are necessaries to maintain the normal life of a family. 802.1x IEEE protocol is improved, posing the utilization of SCEP to replace the original EAP authentication method, to meet the new certification requirements in the four-in-one networked measurement system. In energy meters, composing the network transmission system addition, EAP-TLS needs to install and maintain certificates of the four-in-one meter data acquisition system Different at both ends of the client and server, imposing a heavy measurement meters access the communication network via workload on the administrator. SCEP is a certificate-based authentication protocol method in the security architecture proposed in this paper, in developed by Cisco, which binds user identity, and the public which measurement terminals, including various meters, are acquisition and certificate registration. Protocol will be discussed below, that are certificate Fig. is the process of the certificate registration
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