1. An officially established or accepted set of procedures, rules, or conventions that must be followed in formal situations, diplomatic contexts, or official ceremonies
The formal protocol for state visits includes a welcoming ceremony and official dinner.
O protocolo formal para visitas de estado inclui uma cerimônia de boas-vindas e jantar oficial.
2. A set of established rules governing behavior and etiquette in official or professional contexts
Following formal protocol, the ambassador was greeted at the airport by government officials.
Seguindo o protocolo formal, o embaixador foi recebido no aeroporto por funcionários do governo.
3. In computing and telecommunications, a standardized system of rules for data transmission and communication
The network requires adherence to formal protocol standards for secure data exchange.
A rede exige conformidade com padrões de protocolo formal para troca segura de dados.