Enterprise Network Architecture

This article hcna basis at the beginning of enterprise network infrastructure, content is not overly complicated, just be a simple record

1. About enterprise networks

The company's business is in constant development, demand on the network is constantly changing, which requires corporate network should have the ability to adapt to this changing needs. Therefore, understanding how the enterprise network architecture is adapted to the needs of the business will become very necessary.

2. Enterprise network diagram

The earliest enterprise networks simply to office communication between the office and then due to the development of the Internet, enterprise network will be connected to the Internet

The network also has the above-mentioned fly in the ointment, though interconnected to the convenience of the Internet, online business resources to spread Internet access to resources can be achieved in different regions, but the face of confidential internal resources, it is not easy to publish on the Internet, this time there will be the following figure this remote interconnections with other enterprises vpn network solution
2. enterprise network infrastructure

Left for small businesses very simple to implement, it is also characterized byFlat, simple, But the disadvantages are also obvious redundancy is low, once a router problem, the entire network will face paralysis. Contrast to the right of large enterprise networks, featuresRedundant high-performance high-throughput, Layered and detailed, clear division of labor:

• Access Layer: Popular, terminal access is to allow enterprises to do some authentication terminal devices, enables access equipment
• Aggregation layer: do a variety of strategies, such as traffic control, etc.
• Core layer: place the high-end equipment, high-speed forwarding

This chapter concludes

• Networking Small Business network and large enterprise networks What is the difference?
  Relatively small networkssimple，Redundant low,onceThe core layerThere is a problem, the whole network may be paralyzed, but it is a large enterprise networkHigh redundancy, high performance, high throughput

• What is the basic idea of ​​large-scale enterprise network design is?

  The basic idea of ​​large-scale network design: Hierarchical Structure 、 It provides a highly redundant