Application and thinking of Wan Xiaotong cable wiring System

Based on the continuous development and application of new technologies, such as cloud computing and IoT, network demand for bandwidth is increasing, especially in the cloud computing environment in the data center will be a large number of virtualization technology, thereby maximizing the utilization of server equipment, which requires a higher bandwidth cabling system to support the cloud Computing data Center network communication, 10G (Gigabit Ethernet) application has become the mainstream, 40g/100g as a cloud computing data center backbone of the development will be more and more to become users attention and trial.

With the iso/iec11801 and ANSI/TIA568C.2 and other mainstream standards for the definition of Gigabit copper cable performance, based on copper as a transmission medium million Gigabit Ethernet has been applied to all kinds of data center wiring, plus copper equipment in the cost of absolute advantage, and Gigabit Ethernet similar, Wan Xiaotong cables (over six copper cables) will have a considerable advantage over the transmission medium of Gigabit Ethernet.

First, the development of the million Gigabit Ethernet

Since the 70 's proposed and realized, Ethernet by virtue of its own technical advantages occupy the global LAN market more than 90% of the share, from the initial 10M to the current 10G.

With the digital library, online film and television appreciation, network teaching, video conferencing and BT download and other new technologies such as large-scale applications, and even because of the virus caused by the bandwidth consumption, the user's network system for bandwidth demand is more and more high, the traditional gigabit network has been unable to meet the needs of supporting modern technology Not only the backbone of the data center network requires the support of Gigabit Ethernet, the current considerable number of building wiring data backbone network has begun to use a large number of Gigabit Ethernet.

According to Intel's forecast 2011 Wan mouth usage will exceed 5 million, IDC estimates that by 2013 million Gigabit Ethernet shipments will surpass Gigabit networks for the first time. For server ports, according to a forecast from Intel & Broadcom in 2007, the million-gigabit server devices will be used on a large scale in the next 5 years, as shown in Figure 1.

Figure 1 Device port types

The market analysis data from the Data Analysis Research institute also shows the large scale application of Gigabit Ethernet in the data center, according to Crehanresearch's Market analysis report, there are approximately 170 million 1GbE data center and server-level ports installed around the world, and about 25 million 10GbE ports are installed. , 10GbE currently accounts for only 13% of all installed Ethernet ports. Crehanresearch expects 2012 10GbE to increase to 37% of total annual market shipments, and by 2014 it will become a dominant and de facto network connection to the data center Thelinleygroup the analysis Report of January this year also predicted that 10GbE will have a big growth, is expected to 2014 10GbE network card/lom (Lanonmotherboard, motherboard with Ethernet interface) shipments will be more than 16 million.

In order to meet the requirements of different applications and related transmission conditions, since 2002, the first million Gigabit Ethernet standard IEEE 802.3ae was released, the IEEE also launched in 2004 802.3ak,2006 annual release 802.3an, 802.3aq and 2007 802.3ap and so on a series of Gigabit Ethernet standard specification. plus other relevant specifications, million Gigabit Ethernet related standards of more than 10, according to different application range can be divided into three categories: 1, based on fiber-optic LAN Gigabit Ethernet specification; 2, the LAN Gigabit Ethernet specification based on twisted-pair network; 3, Ethernet network specification based on optical fiber. The comparison between the various Gigabit Ethernet transmission protocols is shown in table 1.