connections; CSMA/CD doesn’t work well in radio networks for various reasons. The central problem here is thehidden station problem. This occurs when two stations do not recognize each other, but communicate simultaneously with a third station in the middle – which inevitably leads to ...
(2) Run your server and at least three clients in your own computer and test if they can work correctly. In this step, the server is run on your local machine so that the server’s IP address should be 127.0.0.1. Also, the server socket should bind with port number 34000. (3) Af...
使用CSMA/CD协议时,总线上各个节点都在监听总线,即检测总线上是否有别的节点发送数据。如果发现总线是空闲的,没有检测到有信号正在传送,即可立即发送数据;如果监听到总线忙,即检测到总线上有数据正在传送,这时节点要持续等待直到监听到总线空闲时才能将数据发送出去
In this test, 500 vehicles with the average speed of 100 km/h are randomly moving on 5 km four-lane highway. We randomly select 50 vehicles as the players, which periodically generate 200 Byte sized packets to the other players. We evaluate the delay performances considering different generati...
Insisting on the operation principle of "Quality Based and Service First", our company has won a high reputation through many years of development. We also cooperate with some well-known domestic and overseas enterprises.Our head office located in Shanghai,new...
Founded in Paris in 2000, LLR is one of the very first European IP firms which span in China. The firm now has offices in Munich (Germany), Brussels (Belgium), Beijing, Shanghai and six cities in France. Our professional team has more than 70 staff, consisted of experienced European, ...