What are the disadvantages of best effort offering?

The best effort offering can lead to inconsistent service quality, as it does not guarantee delivery times or reliability, making it unsuitable for applications requiring high performance. Additionally, it may result in congestion during peak times, causing delays and increased latency. This model can also lead to customer dissatisfaction if expectations are not met, as users may experience variable performance. Lastly, without service level agreements, it can be challenging to hold providers accountable for service shortcomings.