A toe may possess an unique identifier.Logical formLearned from10 sentences. A choice of an identifier may be based on a need.Logical formLearned from10 sentences. An identifier can be for a datagram.Logical formLearned from10 sentences. A fragment can be with a (buffer identifier).Logical formLearned from10 sentences. An identifier may pertain-to a participant.Logical formLearned from10 sentences. An identifier may be chosen.Logical formLearned from10 sentences. A (buffer identifier) may be computed as a concatenation of a source.Logical formLearned from10 sentences. Unique identifiers can be for some operators.Logical formLearned from9 sentences. (Identifier schemes) can be persistent.Logical formLearned from9 sentences. Identifiers can be well-known.Logical formLearned from9 sentences. Books may have an identifier.Logical formLearned from9 sentences. A (location identifier) may pertain-to a government-agency.Logical formLearned from9 sentences. An identifier can be nationwide.Logical formLearned from9 sentences. A need can be for identifiers.Logical formLearned from9 sentences. An identifier may pertain-to a (number holder).Logical formLearned from9 sentences.