Best effort is a networking service model that delivers data without guaranteed quality, prioritizing simplicity and low overhead over strict performance metrics. In the context of networking, it means that the network will try to deliver packets to their destination but does not guarantee delivery, order, or timing. This model is often used when lower costs and simplicity are more important than reliability, making it particularly relevant in the implementation of Quality of Service (QoS) in Software-Defined Networking (SDN).
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