In addition, a 1:1 link protection mechanism is designed, which needs introduce a link selection sublayer between MAC silent layer and MAC layer (or optional MAC Control sublayer),and it can provide fast protection for Ethernet WAN through redundant link.
该保护机制是要在MAC客户层和MAC层(或者可选的MAC控制子层)之间引入链路选择子层,通过提供冗余链路的方式为广域以太网提供快速保护。
参考来源 - 以太网交换及应用技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
At the office, the mobile broadband network can be configured on the Cisco WRP400 as an auto-failover and recovery connection if the Ethernet WAN port loses Internet connectivity.
在办公室，移动宽带网络可以配置为自动故障转移和恢复以太网广域网端口，如果失去互联网连接连接思科WRP400。
Four Ethernet ports for LAN connectivity; USB 2.0 Host WAN port.
4个以太口供LAN连接；usb 2.0主wan口。
There is enough interest that vendors have been trying to make the next Ethernet standard, 10-Gigabit Ethernet, ready for the WAN.
供应商有极大的兴趣，正在使下一代以太网标准――10千兆位以太网准备好用于广域网。
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