Ethernet-based broadband access network technology practice and exploration.doc

Ethernet-based broadband access network technology practice and exploration Abstract The broadband access network technology is now mainstream communications technology, based on Ethernet technology for broadband access network technology is one of them. This article describes the Ethernet-based technology, the advantages of broadband access networks, and its technology research, indicating the existence of problems and their solutions. Keywords: Ethernet standard security management user management business management At present, the more mature the mainstream of broadband access network technologies, including xDS Zi Mountain surgery, optical fiber access technology, Cable technology, wireless broadband technology. As the Ethernet-based broadband access network technology provides a standard Ethernet interface, can be compatible with all devices with a standard Ethernet interface, users do not need to add any new interface card or protocol software, and both the Central Office network equipment or the customer premise equipment than ADSL, CableModem so much cheaper. Therefore, based on Ethernet technology for broadband access is a very low-cost broadband access technology, and in the future broadband IP network access to play an important role. Ethernet (Ethernet) is the baseband local area network. It uses asynchronous access methods of work, it is appropriate for dealing with IP burst data stream, and its technology has also been a significant change and breakthrough (LAN switching, star wiring, high-capacity storage and management of MAC address, etc.). Compared with traditional Ethernet, in addition to other names, it retains the characteristics of only the left frame structure and simplicity, while the rest of the basic features have been fundamental changes. As the broadband access network is a public network environment, therefore, compared to traditional Ethernet networks, with the large differences in their requirements, mainly reflected in the sec