10G Network Is No Longer a Distant Dream
Ethernet is booming. 10 Gigabit network technology has been developed for many years, including a variety of network media and technical protocols. In July 2002, IEEE (International Institute of Electronics and Electrical Engineers) has officially promulgated the 10 Gigabit fiber Ethernet standard based on optical fiber— -IEEE802.ae standard, the network protocol includes 10GBase-LX based on single-mode fiber and 10GBase-SR based on OM3 10G multimode fiber. The 10G Base-CX4 coaxial cable 10 Gigabit protocol based on the IEEE802.ak standard was also officially promulgated in March 2004, but unfortunately, the effective distance supported by this 10 Gigabit network based on four InfiniBand coaxial copper cables is only The mere 15m has a limited scope of application. It can only be used for network servers or SAN backbone interconnection and cascading between IDC and data center cabinets. It cannot meet the needs of horizontal information point applications in floors and long distances.
Therefore, the 10GBase-T currently actively promoted by IEEE is the direction and focus of the future development of 10 Gigabit Ethernet technology and applications in copper cables and horizontal work areas, both in terms of application technology and investment savings.
10GBase-T refers to the application of 10G 10 Gigabit Ethernet over Category 6 or Category 7 UTP or twisted pair of shielded copper cables up to 100m. It was formally established as IEEE 802.3 at the regular working meeting of the IEEE organization in March 2003. an standard, and officially promulgated and implemented this standard globally in 2006.
Ethernet has experienced more than 20 years of development, from the original Ethernet to Fast Ethernet to the current Gigabit Ethernet. Although the application time of Gigabit Ethernet is only 4 years, many network users are now looking forward to 10 Gigabit Ethernet. Once the ready-to-go 10 Gigabit Ethernet is born, it will have extraordinary significance. It will break out of the concept of “local area network” and enter the WAN and MAN with confidence, and complete the mission of unifying the world’s network. All indications are that although the miracle of increasing the network speed from 100Mbps to 1Gbps has just been accepted by users, the arrival of 10Gbps is no longer a distant dream.
The development of 10G represents the degree of technological development
All manufacturers have begun to intensify the research work of 10G Ethernet, and have launched some 10G products and the latest 10G network solutions, which have brought “10G storm”.
Regarding 10G Ethernet technology, I personally think that more significance is to mark the technical development capability of manufacturers. In practical applications, if a terminal needs to reach 10G of bandwidth, the burden on the server (even the server cluster) caused by a batch of concurrent users is beyond the current technology. However, the introduction of 10G Ethernet cabling technology marked the maturity of copper data transmission technology. This will help to reduce the investment cost of specific projects in integrated wiring, and also help to reduce the construction technology threshold of wiring, so that the engineering quality of integrated wiring can be easily guaranteed.
Application of 10G Ethernet
As the boundaries between local area networks, wide area networks and metropolitan area networks are becoming more and more blurred, the unification of networks has become a general trend. Without the need for a large number of network management, how to connect various networks seamlessly and simply and economically is an urgent problem to be solved. And 10G Ethernet technology is expected to solve this problem. At the rate of OC-192c, 10G Ethernet can be used as a link between LAN and WAN, or used for interconnection between tandem points, or can be connected to routers through DWDM wavelengths, and each wavelength in the DWDM transmission network carries a 10G line Signal. The large bandwidth of 10G Ethernet allows it to be used as a campus backbone or enterprise data center. At the same time, the emergence of 10G Ethernet will also accelerate the application of e-commerce and the realization of high-speed Ethernet access to the Internet. From an economical point of view, 10G Ethernet technology provides higher bandwidth with lower overhead and enables seamless connection of various networks.
Since the original design goal of Ethernet is for local area network, when it is extended to wide area network, it needs to be further modified and supplemented, mainly because of insufficient support for QoS, network protection switching function and network management. As a WAN technology, 10G Ethernet must first ensure the QoS of physical links, such as monitoring link performance and line bit error rate. Secondly, it needs to meet the survivability requirements of the network. The most notable feature of SDH is that it can provide a protection switching mechanism and restore services in less than 50ms.
As a WAN technology, 10G Ethernet also needs to provide similar protection switching functions. On the other hand, one of the characteristics of Ethernet is that the network management is simple, but as a large-scale WAN technology, it needs to have a strong network management function. These are the problems to be solved by 10G Ethernet.
From the current application point of view, the current 100M and Gigabit bandwidth can basically meet people’s usage requirements, but from the long-term perspective of technology development and user needs, 10G will be where people’s needs lie. With the introduction of 10G-related optical fiber and copper cable standards, various manufacturers have launched 10G products and solutions, and 10G reports often appear in some media. There are various signs that: 10Ethernet technology has become a development trend. is being widely used.