<p>In this thesis we focused on high performance embedded real-time networks which are designed for systems like radar signalling processing systems, control systems etc. These high performance embedded networks consist of emerging standards like PCI Express, RapidIO, and standard Ethernet. All of these switched embedded networks communicate with each other through common gateway nodes. As these networks have different rate characteristics, maximum packet size (MTU), packet priorities, addressing schemes etc we have therefore defined the gateway nodes for these heterogeneous embedded networks which will allow these heterogeneous embedded networks to communicate with each other with the help of different translation functions. These gateway nodes allow end-to-end transmission across the heterogeneous embedded networks while keeping bound on end-to-end delay and guaranteed throughput. We need to have some flow control mechanism which will shape the traffic flow in the mentioned embedded networks and will avoid from buffer overflow.</p>

<p>During the recent years, computer performance has increased dramatically. To measure </p><p>the performance of computers, benchmarks are ideal tools. Benchmarks exist in many </p><p>areas and point to different applications. For instance, in a normal PC, benchmarks can be </p><p>used to test the performance of the whole system which includes the CPU, graphic card, </p><p>memory system, etc. For multiprocessor systems, there also exist open source benchmark </p><p>programs. In our project, we gathered information about some open benchmark programs </p><p>and investigated their applicability for evaluating embedded multiprocessor systems </p><p>intended for radar signal processing. During our investigation, parallel cluster systems </p><p>and embedded multiprocessor systems were studied. Two benchmark programs, HPL and </p><p>NAS Parallel Benchmark were identified as particularly relevant for the application field. </p><p>The benchmark testing was done on a parallel cluster system which has an architecture </p><p>that is similar to the architecture of embedded multiprocessor systems, used for radar </p><p>signal processing.</p>

Abstract The Embedded controls panel belongs to the components, in the terminal product overhead construction, forever is a supporting role, but actually is occupying the indispensable core status. Under division of labor system, in view of the fact that the product characteristic, the system industry cannot meddle in the design and the manufacture, also because its may the support be widespread, is industry which belongs specialized also may independently develop. Technical progress, effective promotion technology with producing energy, but has an inevitable phenomenon, will be in this stage that supply will surpass demand, but attacks each industry. The Embedded control panel industry not exceptional entered the Warring States time, the potential has certainly to have many physique to be worse, to be unable properly to adjust the suitable same business to be able to swallow in competition sea. This tendency is unable to keep off, where but doesn't have red sea to have the blue sea, the crisis is the favorable turn time, starts an undertaking leader which has not been able to become the market, now actually also is becomes market Challenger the turning point. Company's energy is limited, must the effective utilization, therefore must be able thoroughly understand the market, discovered customer's real demand, the fixed industry development tendency, according to strengthens the company competitive ability, it can stand in this market to the invincible position, in is stable strives for the development. Is the management essence in the layout, how this research goal repeatedly carefully examining the market, the product and the customer after the discussion document company, draws up the effective feasible whole development strategy, again penetrates the company interior the reform, of competitive ability the strengthened product, innovates, uniquely promotes good reputation in the global Embedded controls panel competitive market. The research the main conclusion is as follows: 1. Penetrates the market investigation, the product, the customer behavior pattern repeatedly discussion, draws up the company whole development strategy, is clear about the limits enterprise to manage the pattern and the development direction. 2. To in affiliation by the management technique, the realization company is basic and the core competitive ability constructs the construction, the promotion enterprise manages the physique. 3. Foreign rests on the global layout strategy plan, the coordinate product life cycle management, vertical and operation horizontal marketing, steady expands the enterprise domain.

Computers are networked together in order to share the information they store and process. The internet connects many of these networks together, offering a multitude of options for communication, productivity and entertainment. It also offers the opportunity for unscrupulous individuals to contact these networked computers and attempt to appropriate or destroy the data on them, the computing resources they provide, and the identity or reputation of the computer user. Measures to secure networks need to be implemented by network administrators and users to protect their computing assets. <p>Firewalls filter information as it flows through a network. This filter can be implemented in hardware or software and can be used to protect computers from unwanted access. While software firewalls are considered easier to set up and use, hardware firewalls are often considered faster and more secure. Absent from the marketplace is an embedded hardware solution applicable to desktop systems. <p>Traditional software firewalls use the processor of the computer to filter packets; this is disadvantageous because the computer can become unusable during a network attack when the processor is swamped by the firewall process. Traditional hardware firewalls are usually implemented in a single location, between a private network and the internet. Depending on the size of the private network, a hardware firewall may be responsible for filtering the network traffic of hundreds of clients. This not only makes the required hardware firewall quite expensive, but dedicates those financial resources to a single point that may fail. <p>The dynamic silicon firewall project implements a hardware firewall using a soft-core processor with a custom peripheral designed using a hardware description language. Embedding this hardware firewall on each network interface card in a network would offer many benefits. It would avoid the aforementioned denial of service problem that software firewalls are susceptible to since the custom peripheral handles the filtering of packets. It could also reduce the complexity required to secure a large private network, and eliminate the problem of a single point of failure. Also, the dynamic silicon firewall requires little to no administration since the filtering rules change with the users network activity. The design of the dynamic silicon firewall incorporates the best features from traditional hardware and software firewalls, while minimizing or avoiding the negative aspects of each.

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In this thesis we focused on high performance embedded real-time networks which are designed for systems like radar signalling processing systems, control systems etc. These high performance embedded networks consist of emerging standards like PCI Express, RapidIO, and standard Ethernet. All of these switched embedded networks communicate with each other through common gateway nodes. As these networks have different rate characteristics, maximum packet size (MTU), packet priorities, addressing schemes etc we have therefore defined the gateway nodes for these heterogeneous embedded networks which will allow these heterogeneous embedded networks to communicate with each other with the help of different translation functions. These gateway nodes allow end-to-end transmission across the heterogeneous embedded networks while keeping bound on end-to-end delay and guaranteed throughput. We need to have some flow control mechanism which will shape the traffic flow in the mentioned embedded networks and will avoid from buffer overflow.

During the recent years, computer performance has increased dramatically. To measure the performance of computers, benchmarks are ideal tools. Benchmarks exist in many areas and point to different applications. For instance, in a normal PC, benchmarks can be used to test the performance of the whole system which includes the CPU, graphic card, memory system, etc. For multiprocessor systems, there also exist open source benchmark programs. In our project, we gathered information about some open benchmark programs and investigated their applicability for evaluating embedded multiprocessor systems intended for radar signal processing. During our investigation, parallel cluster systems and embedded multiprocessor systems were studied. Two benchmark programs, HPL and NAS Parallel Benchmark were identified as particularly relevant for the application field. The benchmark testing was done on a parallel cluster system which has an architecture that is similar to the architecture of embedded multiprocessor systems, used for radar signal processing.

Computers are networked together in order to share the information they store and process. The internet connects many of these networks together, offering a multitude of options for communication, productivity and entertainment. It also offers the opportunity for unscrupulous individuals to contact these networked computers and attempt to appropriate or destroy the data on them, the computing resources they provide, and the identity or reputation of the computer user. Measures to secure networks need to be implemented by network administrators and users to protect their computing assets. <p>Firewalls filter information as it flows through a network. This filter can be implemented in hardware or software and can be used to protect computers from unwanted access. While software firewalls are considered easier to set up and use, hardware firewalls are often considered faster and more secure. Absent from the marketplace is an embedded hardware solution applicable to desktop systems. <p>Traditional software firewalls use the processor of the computer to filter packets; this is disadvantageous because the computer can become unusable during a network attack when the processor is swamped by the firewall process. Traditional hardware firewalls are usually implemented in a single location, between a private network and the internet. Depending on the size of the private network, a hardware firewall may be responsible for filtering the network traffic of hundreds of clients. This not only makes the required hardware firewall quite expensive, but dedicates those financial resources to a single point that may fail. <p>The dynamic silicon firewall project implements a hardware firewall using a soft-core processor with a custom peripheral designed using a hardware description language. Embedding this hardware firewall on each network interface card in a network would offer many benefits. It would avoid the aforementioned denial of service problem that software firewalls are susceptible to since the custom peripheral handles the filtering of packets. It could also reduce the complexity required to secure a large private network, and eliminate the problem of a single point of failure. Also, the dynamic silicon firewall requires little to no administration since the filtering rules change with the users network activity. The design of the dynamic silicon firewall incorporates the best features from traditional hardware and software firewalls, while minimizing or avoiding the negative aspects of each.

This study presents the experimental results that characterize a nastic sheet material’s performance. We defined nastic sheet as a McKibben muscle designed from a foundation that would be embedded as an array in an elastomer matrix. The goal is to be able to utilize the embedded McKibben sheets in the biomedical industry as an improvement to the synthetic devices and/or processes. One mechanism that might produce these improvements is to mimic the biological materials that form functional organs, biological structures, and active tissues. Linking human technology and natural structures is and will continue to be important to society for several reasons. It would improve: (1) the lifestyle of humans in regards to artificial parts that mimic human parts (which will allow us to live longer), (2) artificial limb functionality, and (3) comfort and aesthetics. The objective is focused on characterizing and evaluating McKibben muscles as an embedded muscle sheet by building McKibben muscles and testing them alone and in sheets with one, two, three, and five muscles. The sheets would be known as a single, double, triple and quintuple embedded sheet. Another objective is to determine the performance penalty that embedding puts on the material. The experiments performed used several different approaches, such as analytical models, tensile test analysis, and prototype construction of the specimens. All specimens were designed to have a constant final length of 120mm, being embedded in a polyurethane matrix. We characterized the fundamental performance of a McKibben muscle and each specific embedded sheet. We measured the specimens’ work-density and quantified the inactive matrix’s impact on work-density. Based on the results, several improvements were suggested on the fabrication of the specimens. The experiment shows positive potential outcome that could be utilized in the biomedical field, but the results would improve with the suggestions provided in the study. A sample of the results - the actual work-density for both the single and doubleembedded sheets showed an increase to 7.82% and 2.96% consecutively. Once the specimens are removed from the mold, the McKibben muscle automatically tries to retract to its initial state while the polyurethane matrix tries to stay at its initial state.

As network bandwidth growing and voice coding enhancing, voice transmitted over the Packet-Based network environment can also have good quality compared to traditional telephone network. Therefore, the IP telephony services having a price advantage could gradually replace the traditional telecommunication services. However, in order to support both the traditional telecommunication services and IP phone services, it requires the devices which are capable of converting analogical telephony information such as voice and fax into packet data suitable for transmitting over IP. We therefore design and implement an IP phone equipment that can make SIP phone calls, and can support the exchange of the analogical traditional telephone voice and the digital voice packets over IP. In the hardware design point of view, we implement an IP phone set device in an embedded development platform using Infineon EASY5120 development kit, which uses a digital signal processor, called Vinetic&#x00AE;-2CPE (part number is PEB3332), to handle voice encoding and decoding, e.g., G.711 u/A law and G.723 compression, and RTP encapsulation and decapsulation. In the software architecture, we choose Linux as our embedded operation system under which there are lots of GNU open source software to feed our need and further to develop our own software components. In the process of this implementation, the software and hardware co-design takes up most of time, and we also face some VoIP application problems, e.g., SIP. We try to build up a VoIP system to figure out and solve these problems. And we hope that this actually applicable VoIP embedded system can be used as a testbed and verifying platform for VoIP applications.