RFC 1349:Type of Service in the Internet Protocol ...
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semantic


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... new type of service correctly without having to understand its semantics. Appendix B of this memo provides a more detailed explanation of the ...


... bits (where each bit has its own meaning). This memo defines the semantics of the following TOS field values (expressed as binary numbers): ...
... was set. Although the semantics of values other than the five listed above are not defined by this memo, they are perfectly legal TOS values, and ...
... except as described in Section 8 should not) make any distinction between TOS values whose semantics are defined by this memo and those that are not. ...


... TOS field in an IP datagram (including those values whose semantics are yet to be defined). Any routes learned using routing protocols which support TOS ...


... bits would indicate that none of the types of optimization was any more important than any of the others. Although one could perhaps assign reasonable semantics to most pairs of bits, it is unclear that the range ...
... route better). Since a router would need to understand the semantics of all of the TOS values to make a more intelligent choice, there ...


... TOS values would require that routing protocols be cognizant of the semantics of the TOS values and use special algorithms ...
... that there are a number of legal TOS values that have no currently defined semantics. (2) This specification assumes that network managers ...



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