Small Local Area Network Research Articles

Image Processing Technology in Remote Monitoring and Intelligent Medical System.

In order to study the application of image processing technology in remote monitoring and intelligent medical systems, the principle and implementation method of a remote intelligent image monitoring system based on virtual local area network is proposed; this method analyzes the key technologies to be considered in the remote realization of image monitoring, adopts advanced digital image compression coding and decoding technology and digital image transmission technology, and applies intelligent image processing and recognition technology to display, adjust, and track images; it overcomes the defects that the general monitoring system requires excessive intervention by monitoring personnel and low intelligence. After verification, the experimental results show that the proposed model can accurately and efficiently segment nonoverlapping cervical cell images, and compared with other existing models, this model has both higher segmentation accuracy and faster calculation speed. The application of multicast is still only in the laboratory or small local area network; with the further development of network technology, its application prospects will be very broad.

MUXER—A New Equipment for Energy Saving in Ethernet

Nowadays, the rapidly increasing energy consumption of communication equipment is an economic and environmental problem that needs to be addressed. Small Local Area Networks (LAN) switches in the US alone consume about 8 TWh per year that corresponds to hundreds of millions of US dollars in electricity. A main reason is communication equipment, due to the fact that, Ethernet switches have to active all days even in low-traffic time. There are many approaches to make the switches sensitive with the different traffic load environment, but they have to put some changes to current Ethernet that cause the incompatibility issues. This paper proposes a new device called Modified Multiplexer (MUXER), which can control the power functions of switches without modifying the current Ethernet protocol. The MUXER devices are put before the switches in the network, which provide some functions to transfer incoming Media Access Control (MAC) data frames to the corresponding switches managed by MUXERs. By using the proposed device, the wasted energies in the network can be reduced, especially in the specified low-traffic time. We describe the result of numerical analysis and compare detail power consumption data between a normal and a network where MUXERs are installed. In this work, the explained result shows that if a network administrator can estimate the number of MUXER needed for a particular network and install accordingly, our device can provides a significant energy saving.

SEATTLE

IP networks today require massive effort to configure and manage. Ethernet is vastly simpler to manage, but does not scale beyond small local area networks. This article describes an alternative network architecture called SEATTLE that achieves the best of both worlds: The scalability of IP combined with the simplicity of Ethernet. SEATTLE provides plug-and-play functionality via flat addressing, while ensuring scalability and efficiency through shortest-path routing and hash-based resolution of host information. In contrast to previous work on identity-based routing, SEATTLE ensures path predictability, controllability, and stability, thus simplifying key network-management operations, such as capacity planning, traffic engineering, and troubleshooting. We performed a simulation study driven by real-world traffic traces and network topologies, and used Emulab to evaluate a prototype of our design based on the Click and XORP open-source routing platforms. Our experiments show that SEATTLE efficiently handles network failures and host mobility, while reducing control overhead and state requirements by roughly two orders of magnitude compared with Ethernet bridging.

Floodless in seattle

IP networks today require massive effort to configure and manage. Ethernet is vastly simpler to manage, but does not scale beyond small local area networks. This paper describes an alternative network architecture called SEATTLE that achieves the best of both worlds: The scalability of IP combined with the simplicity of Ethernet. SEATTLE provides plug-and-play functionality via flat addressing, while ensuring scalability and efficiency through shortest-path routing and hash-based resolution of host information. In contrast to previous work on identity-based routing, SEATTLE ensures path predictability and stability, and simplifies network management. We performed a simulation study driven by real-world traffic traces and network topologies, and used Emulab to evaluate a prototype of our design based on the Click and XORP open-source routing platforms. Our experiments show that SEATTLE efficiently handles network failures and host mobility, while reducing control overhead and state requirements by roughly two orders of magnitude compared with Ethernet bridging.

Computerized Electoral Ballot Design Using a Touch Screen

Computerized Electoral Ballot Design Using a Touch Screen

The Library in Academic Computing

On Using the Network… Considerations for Training. The Network. It can sound so ominous, so intimidating, and so ambiguous. No small wonder since it can include anything from a small local area network connecting CD‐ROMs in a library, to a larger campus‐wide system that ties together many local computing resources along with the online catalog, to the Internet with all its links to computing resources worldwide. To add to the complexity, users can dial‐in remotely, from their offices, labs, or homes using a variety of software and hardware.

Protocols for very high-speed optical fiber local area networks using a passive star topology

This paper deals with the problem of interconnection of many high-speed bursty traffic users via an optical passive star coupler. Each user can tune its laser over a range of wavelengths, thus resulting in a wavelength division multiplexed communication. The total number of wavelengths over which user tunability exists could be much smaller than the number of users. Therefore, some form of random access sharing and packet switching may be necessary. We propose several protocols that require each user to have a tunable receiver. The information on "where" and "when" to tune the laser is confined to a control (setup) channel that users tune to when in idle mode. An interconnection between two users lasting for the length of a data packet is set up on the control channel by the transmitting user who informs the receiving user where to tune in order to receive the data packet. No centralized control or coordination is required among the users. After analyzing each protocol, we present the throughput/ delay versus the offered traffic and the delay versus throughput in a sequence of plots. We show that in typical applications an average throughput of up to 0.95 can be achieved at a reasonable average delay using one of these protocols. In our benchmark examples we present an optical local area network (LAN) with a total throughput of 100- Gbit/s in which every user has access to a 1-Gbit/s data rate and the network can support over 1000 users. The protocols can be used in a) large LAN's that do not require a large capacity, b) small LAN's (1 kin) that require a large capacity and c) large LAN's (tens of kilometers) that require a rather large capacity.

Reading up books: Fiber optics: Fiber optics will revolutionize communications and instrumentation providing challenges to the well-prepared

Although less than 20 years old, the field of fiber optics is already a key element of modern digital communication and electronic instrumentation systems. Current fiber optic applications include communications in long-haul, high data-rate, point-to-point links, and small local area networks as well as the sensing of pressure, temperature, and underwater sound fields. In the near future these applications will expand to include medium-scale distributed communications and the sensing of a wide variety of physical parameters.

Small local area network with a collision-free technique for connecting heterogeneous microcomputer systems

This paper describes a realization of a small local area network for connecting heterogeneous microcomputer systems. The access control algorithm has been recently proposed by Eswaran, Hamacher, Shedler. Here are its main characteristics : asynchronous, free collision communication, bounded and guaranteed bus access time, simple design and distributed control. On condition that restrictive working hypotheses are : parallel and presumingly reliable communication medium, lack of coalition between stations and non hostile environment, we realized a small local area bus network which access controller cost is much lower than the existing equivalent ones. In addition to the point-to-point communication service, this network also offers to the upper lever a broadcast service. This small local area bus network could be in one way a support to a technological teaching (practical experiments in microcomputer systems and local network courses), and in another way the prototype for connecting control devices, personal or home microcomputer systems, essentially heterogeneous.