Deterministic networks

Deterministic networks are engineered to deliver packets with predictable timing and low loss, often by reserving resources and coordinating traffic for time-sensitive applications.

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Time-Sensitive Networking: A set of IEEE Ethernet standards for bounded-latency, time-synchronized traffic and reliable delivery. It brings deterministic behavior to switched Ethernet through scheduled traffic and other mechanisms.
Industrial Ethernet: Ethernet-based communication used to connect and control equipment in industrial environments. Factory control traffic can require bounded delays alongside ordinary network communication.
Best-effort delivery: A packet-delivery model that offers no guarantees of delivery, delay, or ordering. It contrasts with deterministic service, which makes explicit commitments about timing or loss.
Real-time computing: Computing in which correctness depends on producing results within specified time constraints. Deterministic networks serve the communication deadlines required by real-time systems.
IEEE 802.1Qbv: An Ethernet standard amendment that schedules traffic transmission using time-aware gates. Its gate-control lists reserve transmission windows for scheduled traffic.
Automotive Ethernet: Ethernet networking used to connect electronic systems within vehicles. In-vehicle control and sensing benefit from predictable communication across shared links.
Integrated Services: An Internet architecture that reserves resources for individual flows using signaling. It pursues per-flow quality guarantees through a different reservation model.
Latency: The time taken for data to travel from a source to a destination. A bounded maximum latency is a central deterministic-network objective.
IEEE 802.1Qbu: An Ethernet standard amendment enabling frame preemption to interrupt lower-priority traffic. Preemption reduces the delay that a long lower-priority frame can impose on urgent traffic.
IEC 61850: A family of standards for communication and data models in electric power utility automation. Substation protection and control messages can have strict delivery-time requirements.