Linux Virtual Server (DR) Logical Architecture Component Introduction The DR mode (Direct Routing) of LVS (Linux Virtual Server) is a high-performance load balancing method characterized by the following: • Director: Responsible for modifying the destination MAC address of the client request packets to the Real Server MAC address, and then directly forwarding them to the … Read more
Hello everyone, I am Xiao Chen, dedicated to sharing knowledge related to smart home technology. In the last issue, I shared the advantages and disadvantages of the ZigBee protocol. This time, I will continue to share the network topology of the ZigBee protocol. For those who are not familiar with the ZigBee protocol, please refer … Read more
Network Topology refers to the way in which various nodes (such as computers, printers, switches, etc.) are interconnected within a network. It determines the path of data flow and directly affects the network’s performance, reliability, and cost. Network topologies are mainly divided into two categories: Physical Topology and Logical Topology. Physical topology refers to the … Read more
Device Overview The Sheno SOC8000 digital program-controlled dispatching machine is designed and developed according to the International Telecommunication Union (ITU-T G.712, G.732) standards. It not only has the rich functions of a digital program-controlled dispatching machine but also possesses powerful management and office functions of a digital program-controlled switch. It can achieve the integration of … Read more
With EtherCAT G, we aim to help our customers create the best and highest-performing machinery in the world. EtherCAT G operates on the principles of the successful EtherCAT technology, while increasing the data rates to 1 Gbit/s and 10 Gbit/s.The EtherCAT protocol itself remains unchanged, and as before, all devices in the network receive messages … Read more
2.4 GHz Zigbee originated in industrial scenarios, initially designed for stable point-to-point communication between devices. With a limited number of nodes and heavy algorithms, it experiences significant delays when scaled up. When forcibly adapted to smart homes, even with numerous patches, it still has four fundamental flaws: 1. Capacity ceiling: The network becomes congested as … Read more
1. Introduction 1.1 Research Background and Significance Social norms are a crucial foundation for the stable operation of human society, encompassing various levels such as laws, morals, and customs. The process of these norms spreading and evolving within groups has long been a core topic in sociology, anthropology, and cultural studies. In recent years, with … Read more
To get straight to the point, whether other servo drives can receive commands from the PLC (master) depends on the network topology and configuration that allow for continued communication. Here is a detailed analysis of this issue: 1. How EtherCAT Networks Work EtherCAT is a real-time industrial fieldbus protocol based on Ethernet, utilizing a “Processing … Read more
Network topology refers to the physical and logical arrangement of nodes and connections in a network; nodes typically include switches, routers, and software with switching and routing capabilities. Network topologies can be classified into various types, including bus, star, ring, mesh, tree, and hybrid; the main categories are bus, star, and ring network topologies. 1. … Read more
Three Operating Modes of Soft Routers Our current home networks generally consist of two configurations: Single Optical Modem: The optical modem serves as the main router, providing all functions including optical signal conversion, dial-up internet access, NAT, DHCP, and basic wireless capabilities. Network Topology: Single Optical Modem Network Topology Diagram Optical Modem + (Hardware) Router … Read more