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				           		Commonly used routing algorithms, such as link state routing (LS), have no congestion pre-avoidance mechanism.
						        										 	
						        					            	 现有网络常用的路由算法(比如链路状态路由算法)都不具有拥塞预规避控制能力。
								    				            	 youdao 
- 
				           		Commonly used routing algorithms, such as link state routing (LS), have no congestion pre-avoidance mechanism.
						        										 	
						        					            	 现有网络常用的路由算法(比如链路状态路由算法)都不具有拥塞预规避控制能力。
								    				            	 youdao