21. In times of severe wireless network congestion , call completion percentages can drop well below 5 percent, 22. Network congestion or Internet bottleneck generally occurs and is felt by users in homes and businesses.23. Network congestion must be minimal, less than three per cent of calls should fail to connect.24. For the customer, this has the benefit of preventing network congestion from interfering with call quality. 25. Missing link prompts fears of rail network congestion 26. Network congestion is consequently to some extent avoided.27. Packet loss is typically caused by network congestion . 28. A third method to avoid network congestion is the explicit allocation of network resources to specific flows. 29. When designing a network backbone, network performance and network congestion are critical factors to take into account. 30. CDNs are important for mobile operators as they can lead to significant savings and avoid network congestion .
