先决条件 – 网络拓扑
网状拓扑:
在Mesh拓扑中,节点完全通过专用链路相互连接,其中信息从节点到节点传播,如果有N个节点,Mesh拓扑中有N(N-1)/2条链路。
环形拓扑:
在环形拓扑中,每个节点都连接到它的左侧和右侧节点,其中信息在一个方向上以环形方式从节点传播到节点。如果存在 n 个节点,则在星形拓扑中也有 n 个链接.在环形拓扑中,要添加新节点,必须断开整个连接。
环形拓扑和网状拓扑的区别:
S.NO | Ring Topology | Mesh Topology |
---|---|---|
1. | In ring topology, every node is connected to it’s left and right side nodes. | In mesh topology, the nodes are connected to each other completely via dedicated link. |
2. | The cost of ring topology is low. | The cost of Mesh topology is expensive. |
3. | There are N links in ring topology, if there are N nodes present. | There are N(N-1)/2 links in Mesh topology, if there are N nodes. |
4. | In ring topology, the information is travel from nodes to nodes in ring manner in one direction. | In mesh topology, the information is travel from nodes to nodes. |
5. | Ring topology is poor extensible. | Mesh topology is also poor extensible. |
6. | Ring topology is used in LAN. | Mesh topology is generally suited for WAN. |