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With the development of Ethernet in the MAN (metro access network). There is a big limit to isolate and identify the user with 802.1Q VLAN. Because of the VLAN tag which is defined in IEEE 802.1Q is only 12 bits, and can represent 4K VLAN. It is too less to identify the plenty of users. So double VLAN or QinQ is developed.This paper discuss the double VLAN scheme in Ethernet network. A flexible method...
The access loop identification is very important to improve the network security. The methods to implement access loop- identification and traceability are very important to the broadband network. Some methods of access loop identification need to get user information. This paper introduces access loop identification methods in broadband network.some methods.
The appearance of layer-3 or upper layer switch, can solve the problems of low forward rate, high delay of traffic that needs to cross networks, so how to implement VLAN-IP in network device with embedded system is a hot problem. This paper introduces layer-3 principle, character and implementation in embedded system.
Access network is the last mile of the network, so there are different access ways. How to effectively recognize the access end station and manage them is the hot pot in research field. This paper discusses a novel auto adaptive access network method and gives the system software structure.
With the Ethernet becoming cheaper and more popular the Ethernet networks are expanding to cover metros. This is leading to deployment of MEN (metropolitan Ethernet network). The existing support for VLAN as standardized in IEEE 802.1Q is not able to scale to MEN deployment, because of limited 4095 VLANs and hence the requirement for VLAN stacking.This paper discusses the VLAN and VLAN stacking in...
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