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・ One-way mirror
・ One-way pair
・ One-way quantum computer
・ One-way speed of light
・ One-Way Ticket to Mombasa
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・ One-word-at-a-time
・ One-X
・ One-year volunteer
・ One-and-a-half-stripe hap
・ One-Armed Bandit (album)
・ One-armed bandit murder
One-armed router
・ One-Armed Swordsman
・ One-baht coin
・ One-bit message
・ One-cent coin
・ One-child policy
・ One-China policy
・ One-class classification
・ One-colored becard
・ One-compartment kinetics
・ One-Day Internationals in England in 2005
・ One-Design
・ One-Dimensional Man
・ One-dimensional Saint-Venant equation
・ One-dimensional space


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One-armed router : ウィキペディア英語版
One-armed router
In computing, a "one-armed router", also known as a "router on a stick", is a router that has a single physical or logical connection to a network. A one-armed router is often used to forward traffic between locally attached hosts on separate logical routing domains or to facilitate routing table administration, distribution and relay.
==Details==
One-armed routers that perform traffic forwarding are often implemented on virtual local area networks (VLANs). They would use a single Ethernet network interface port that is part of two or more Virtual LANs, enabling them to be joined. A VLAN allows multiple virtual LANs to coexist on the same physical LAN. This means that two machines attached to the same switch cannot send Ethernet frames to each other even though they pass over the same wires. If they need to communicate, then a router must be placed between the two VLANs to forward packets, just as if the two LANs were physically isolated. The only difference is that the router in question may contain only a single Ethernet NIC that is part of both VLANs. Hence, "one-armed". While uncommon, hosts on the same physical medium may be assigned with addresses and to different networks. A one-armed router could be assigned addresses for each network and be used to forward traffic between locally distinct networks and to remote networks through another gateway.
One-armed routers are also used for administration purposes such as route collection, multi hop relay and looking glass servers.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「One-armed router」の詳細全文を読む



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