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Vswitch technology overview and Application Analysis

Layer 2 solution is the cheapest solution, however, it provides the least control over subnet division and broadcast restrictions. Layer-3 switches provide dynamic integration support for all levels in the classification. Traditional general-purpose routers and external switches can also achieve this goal. However, compared with this solution, layer-3 switches require less configuration, less space, and less wiring, cheaper and more reliable performance.A layer-3 Switch has all the functions of

Gigabit network switch structure and dynamic editing technology

provides a basic new method to reduce the management burden, improve the distributed computing response, and control the network infrastructure required for Internet-centric applications. Discrete management, control, and data plane Integrates the gigabit network switch structure of the network service. All data pre-transmission tasks are completed at line speed using the high-speed customized ASIC module. Data Pre-transfer tasks are divided into con

In-depth introduction to the technical trend of the low-end Layer-3 Switch

-3 switch as the standard. The specific technical implementation of the switch includes: ◆ Programmable ASIC ASIC is a dedicated Integrated Circuit dedicated to optimizing Layer 2 processing. It is the core of today's networking solutions and integrates multiple functions on one chip, it has the advantages of simple design, high reliability, low power consumption, higher performance and lower cost. ◆ Distri

Perfect Ethernet switch networking with FPGA

that contain such 'boundary clock. Even if they are, they are generally very expensive and generally customized for a specific network. With the rapid popularization of IEEE1588-based networks, manufacturers are facing huge challenges in how to efficiently and cost-effectively implement the IEEE1588 function in product and network infrastructure. Developing custom ASIC solutions is possible. However, as the development cost of

Proactive vs. reactive

hardware ASIC. The most immediate scenario for deploying SDN on hardware is to use only the Tcam tables on the ASIC, as this table supports wildcard match and supports various actions such as drop,forward,broadcast,copy to CPU. There is a direct correspondence between Tcam table and OpenFlow Protocol's forwarding mode. There was an early switch to support OpenFlow on the market: they supported the OpenFlow

The history of exchange technology from the traditional Layer 2 to layer 7th

data exchange technology that can process the data forwarding at the network application layer is the 7th layer exchange technology. The main purpose is to improve the level of network services and turn the Internet to intelligence. Layer-3 switching technology enables all the functions of high-level networks through application layer switches, enabling network managers to allocate network resources at a lower cost. In terms of hardware, layer-7 switches focus all functions on a dedicated appli

Comprehensive Discussion on the Development of Application Layer Switches

of network resources. the application layer switch is placed on the core layer or aggregation layer instead of close to the lower layer intervention layer, this allows network managers to allocate network resources at a lower cost. In terms of structure, application layer switches focus all functions on a dedicated special application integrated circuit or ASIC. ASIC is cheaper than the CPU of traditional

Differences between layer-3 vswitches and vrouters

to everyone), so it is partitioned. We can understand a vswitch as a multi-port bridge. The host or CIDR block dedicated bandwidth connected to each of its ports is independent of each other, improving network efficiency. Vswitches work on the second layer of the network. The algorithm is relatively simple, and some chip manufacturers will soon solidify it to produce the core ASIC chip of the vswitch and release the hardware line speed switch. To sum

The difference between DSP and MCU

well as the central processing Unit-CPU. To facilitate understanding of their differences in the application, we might as well make the analogy: The DSP is like a formula car engine, the pursuit of high-speed and efficient, MCU is like a motorcycle engine, the pursuit of smart and convenient, the CPU is like a luxury home car engine, the pursuit is all-encompassing. Of course, the integration of DSP and MCU will be the corresponding FAI, can meet more and wider application needs.Features of MCU

Differences between hubs, routers, switches, gateways, and bridges and their functional principles

. Therefore, any device that complies with this definition can be called an exchange device. It can be seen that "Exchange" is a widely used term. When it is used to describe the second layer of the data network, it actually refers to a bridge device; when it is used to describe the third-layer device of the data network, it also refers to a routing device. We often mention that an Ethernet switch is actually a multi-port L2 network device based on the bridge technology, it provides low-latency

One route and multiple switches [Ethernet positive solution]

Layer-3 switch structure: ASIC chip and CPUThe ASIC chip is used for layer-2 and layer-3 forwarding. It contains a MAC address table for layer-2 forwarding and a layer-3 forwarding table for IP forwarding.The CPU is used for forwarding control. It mainly maintains some software table items (including route tables and ARP tables) and configures the hardware layer-3 forwarding table of

Comprehensive description of filtering strategy for intelligent three-layer switch

Three-layer switch has a lot to learn, here we mainly introduce the three-layer switch intelligent flow processing technology. The popularization of computer networks and the expansion of application scope are changing our world, but also changing our thinking and life style. With the development of network technology, we are more concerned about how to use the computer and how to make use of the network to create a greater living space for human beings after entering the digital and information

Layer of basic knowledge of switch

of this process, for the whole network of MAC address information can be learned, the second-tier switch is to create and maintain its own address table.The following three points can be inferred from the working principle of the two-layer switch:1 because the switch to the majority of the port data exchange, which requires a very wide exchange bus bandwidth, if the two-tier switch has n ports, the bandwidth of each port is M, the switch bus bandwidth over NXM, then the switch can achieve wire

NetScreen-100 Firewall

NETSCREEN-100 product function and performance description (i) High-performance firewall products The NetScreen-100 firewall product is a high-performance product based on a secure package processor. The new technology includes custom ASIC chip free affiliate and strategy implementation. High performance multi-bus architecture, embedded high-speed RISC CPU and proprietary software. The dedicated ASIC chip o

The third layer network Exchange technology realizes the inter-VLAN communication

modern communication network mostly adopts optical fiber technology, the main bottleneck of the current data network is node router. Now the third layer of exchange, routing exchange or other related nouns are the embodiment of this idea. Although the third exchange was originally designed for the local area network, it uses the destination IP address to exchange, but now this technology has also begun to be used in the WAN. It does not need to spread the broadcast packet, but uses the dynamica

TRILL technology and its networking model

subsequent processing process is similar to the forwarding of IP multicast packets between multicast routers. Each RBridge selects TRILL replication and forwarding policies only based on the distribution tree identified by the root RBridge. It should be noted that because the TRILL technology defines a new frame format, Traditional Ethernet switches cannot support this feature through upgrading software, only Ethernet switches using the new ASIC/NP c

Connotation of the fifth-generation Router

overall performance of the router very low. The second-generation router divides the original data forwarding and route computing into two processors. The master processor completes route computing and completes data forwarding from the processor. Besides the system memory, the Cache structure is arranged on each network interface card, and a few common routing information is retained on the business interface card, in this way, most packets can be directly forwarded through the Service Board C

Future development of LAN multi-layer Switching Technology

less configuration, less wiring, and cheaper prices, and provides higher network performance.  Evolution of layer-3 Exchange TechnologyWith the continuous upgrade of hardware and software, the development of layer-3 switching technology has also undergone a "three generations" change. The first generation switch is a mixture of discrete electronic components and primitive software frameworks. The software function runs on a processing machine with fixed memory. With the improvement of managemen

LAN multi-layer Switching Technology and Its Application Development

generation switch is a mixture of discrete electronic components and primitive software frameworks. The software function runs on a processing machine with fixed memory. With the improvement of management support and protocol functions, software functions are also increasing. When your daily business is more dependent on the network and the traffic on the network increases, the network device becomes a bottleneck. Although processors and memory become faster and more effective, the increase in

Router Technology Study Notes

The router technology in China has developed very rapidly. So I have studied the comprehensive explanation of the router technology. Here I will share it with you and hope it will be useful to you. The multi-layer switch/router technology forwards data packets at the wire speed, and the Exchange ASIC exists in a distributed manner, allowing the entire system to efficiently transport traffic. Over the years, the processing speed of traditional router t

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