RFC 1123:Requirements for Internet Hosts -- Applic...
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transport layer


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... Layers" [INTRO:1] covers the lower layer protocols: transport layer, IP layer, and link layer ...


... Applications MUST select appropriate TOS values when they invoke transport layer services, and these values MUST be configurable. Note that a TOS ...


... Telnet program SHOULD report to the user any TCP errors that are reported by the transport layer (see "TCP/Application Layer Interface ...



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