The process of prototyping and validating ASIC using FPGA reference:http://xilinx.eetrend.com/d6-xilinx/article/2018-10/13736.htmlGiven the complexity of chip design, the steps and processes involved in successfully designing a chip are becoming more complex, and the amount of money required is multiplied, and the cycle and cost of a typical chip development project is as follows
Can be seen before the chip manufacturing, a lot of energy will be
Network Foundation to Promote the Software Defined Network implemented by OpenFlow. These large companies agree with other supporters that OpenFlow is particularly useful for load balancing, traffic control, and virtual networks in data centers, Private clouds, and campus networks, because in these scenarios, network devices and virtual opportunities multiply, so that the network topology is overwhelmed. Some people think that OpenFlow is a bit like VMware in virtualization. It can control the
In x86, NP, ASIC and other three firewall hardware technology architecture, which will become the mainstream of firewall product technology development? How should users choose? With these questions, the reporter interviewed the days of the company firewall product manager Chia.
He said that the firewall product after years of development, through the software firewall to the hardware firewall changes. At present, domestic users generally accept the
understood as in addition to single-chip microcomputer, DSP, FPGA and the like to call out the class of IC, the rest is ASIC. The original microcontroller is not an ASIC. For example, many manufacturers provide the design of the ASIC Gate array, but the above lead layer design can be defined according to customer design to achieve custom logic, this kind of
photoThis series of H. IP cores have been listed in the form of RTL source code for ASIC applications, or in the form of RTL source code and Web tables for programmable device FPGAs. In addition, Jointwave has formed several high-performance demonstration and reference design platforms. This reference design connects two FPGA boards or UDP interfaces to the PC via the UDP interface, which obtains video uncompressed data from the HD player. The FPGA i
I am a "low-key" person, always do not like to express, to the opposite sex, the same is true for work. Under the encouragement of Xiang elder brother, I decided to write down some experiences and thoughts of my work and share them with fellow colleagues.a general-purpose parallel design method in ASIC design:1) The concept of the water network proposedthe control in IC design has both serial and parallel thinking. The state machine method responds to
In x86, NP, ASIC and other three firewall hardware technology architecture, which will become the mainstream of firewall product technology development? How should users choose? With these questions, the reporter interviewed the days of the company firewall product manager Chia.
He said that the firewall product after years of development, through the software firewall to the hardware firewall changes. At present, domestic users generally accept the m
Core switches are worth learning. Here we mainly introduce the NP + ASIC core switch design technology. Currently, several common feasible technologies that constitute the core switch design system are as follows:
1. General CPU
The advantage of general-purpose CPU is that the function is easy to expand and can theoretically implement any network function, but the disadvantage is that the performance is low. Therefore, in the core switch design model,
Application Specific intergrated circuits (ASIC) is an integrated circuit designed and manufactured according to the requirements of specific users and specific electronic systems.
FPGA, short for field programmable gate array, is a field programmable gate array. It is a product of further development on the basis of PAL, gal, PLD and other programmable devices.
As a semi-customized circuit in the specialized Integrated Circuit (
Data synchronization with same-frequency/different Phase Clock domainsWhen data was transferred from one clock domain to another clock domain, and the the and the clock domains be at the same clock-fr Equency, and is different clock phase for the both clock domain has different clock tree as show below.From the figure, there is several important points to be highlighted.
The both clock domain's clock tree should be the same source;
Same PLL ' s output;
Different PLL, but sam
Most software-only firewalls are based on the PC architecture and may adopt optimized OS as their operating platforms. The features are as follows: good scalability, adaptability, easy upgrade, and far lower cost than the hardware-based firewall. Most hardware-based firewalls use ASIC, and do not require OS support. They feature fast speed, good stability, and higher security factor than software firewalls, however, the cost is higher, the scalability
In recent years, with the large-scale application of Gigabit Networks in China, users' requirements for gigabit firewalls have gradually increased. In many network environments, the traditional Firewall Based on the X86 architecture cannot meet the high throughput and low latency requirements of the gigabit firewall. Therefore, the two new technologies, network Processor and ASIC technologies have become the main choice for many domestic manufacturers
In recent years, as the gigabit network began to be widely used in China, the demand for gigabit firewalls has gradually warmed up. In many network environments, the traditional firewall based on X86 architecture can not meet the requirement of high throughput and low delay of gigabit firewall, therefore, two new technologies, namely network processor (network Processor) and specialized integrated circuit (ASIC) technology has become the main choice f
A router is a node device in an interconnected network. It is used to connect multiple networks or CIDR blocks. The router works on the layer-3 of the layer-7 protocol. Its main task is to receive packets from a network interface, based on the destination address, it is decided to forward to the next destination.
Like a computer, a vro also has a CPU. Vrouters of different levels have different CPUs. CPU is the heart of a router, both in the Middle-end router and in the high-end router. Generall
Quantum computers can filter large amounts of data more efficiently and quickly than ordinary computers or humans, and make further data analysis within the relevant information available, and it can throw away information that is of little use and enhance the extended analysis of leading data information.
In May 2013, Google, NASA and the United States University Space Research consortium bought the second generation of quantum computer D-wave two, made by D-wave Systems, Canada. D-wave Two i
Preface
In the current enterprise network, most of the wired networks are affected by factors such as investment cost and transmission speed. Vro is an important bridge connecting local networks to external networks. It is an indispensable component in the network system and a cutting-edge entry in network security. It is very important to improve its performance.
More and more functions of current vro devices are implemented in hardware mode. The improvement of CMOS integration technology enabl
port performance, in recent years, multiple NP distributed forwarding methods have emerged to achieve data exchange at a high density of 2.5G and 1G ports. However, although NP achieves access to these high-speed ports, however, it cannot solve the high-speed data forwarding problem of multiple internal high-speed interfaces. The industry generally regards it as a suitable aggregation layer router for backbone networks.
ASIC chip phase
It is well kn
Currently, several new technologies that play a key role in improving the performance of routers mainly include the following: first, more and more functions are implemented in hardware mode, the improvement of CMOS integration technology enables many functions to be implemented on dedicated ic asic chips. The functions originally implemented by software can now be completed by faster hardware and lower costs, the system performance is greatly improve
The router's three-layer forwarding relies primarily on the CPU, while the three-layer forwarding of the three-layer switch relies on the ASIC chip, which determines the significant difference in forwarding performance. Of course, the three-layer switch does not completely replace the router, the router has a rich interface type, good traffic service level control, strong road capacity and so on is still the weak link of the three layer switch. The cu
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