《資料來源》Network Tutorial: Topology
http://members.tripod.com/barhoush_2/topology.htm
A tree topology combines characteristics of linear bus and star topologies. It consists of groups of star-configured workstations connected to a linear bus backbone cable. Tree topologies allow for the expansion of an existing network, and enable schools to configure a network to meet their needs.
樹狀拓樸是結合匯流排狀拓樸與星狀拓樸兩種拓樸所形成的，包含星狀拓樸的工作站群組再連結至匯流排狀拓樸的纜線。樹狀拓樸允許在現有的網路中擴展，校園網路可依需求使用樹狀拓樸。
Advantages of a Tree Topology 樹狀拓樸的優點
- Point-to-point wiring for individual segments.
- 獨立的區段可以點對點連接
- Supported by several hardware and software venders.
- 許多軟體及硬體廠商都支援
Disadvantages of a Tree Topology 樹狀拓樸的缺點
- Overall length of each segment is limited by the type of cabling used.
- 每一個網段所使用的纜線長度會因為使用的線材不同而有限制
- If the backbone line breaks, the entire segment goes down.
- 主幹網路如果損壞，整段網路都無法連線
- More difficult to configure and wire than other topologies.
- 相較於其他網路拓樸比較難設定及配線
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