RFC 3252:Binary Lexical Octet Ad-hoc Transport
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header


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... EN" "bloat.dtd"> <ip> <header length="474"> <version value="4"/> ...
... </options> <padding pad="0"/> </header> <payload> ...


... TCP offset element was expanded to a maximum of 255 from 16 to allow for the increased size of the header in XML. ...
... TCPoXML datagrams encapsulated by IPoXML MAY omit the <?xml?> header as well as the <!DOCTYPE> declaration. ...
... EN" "bloat.dtd"> <tcp> <tcp.header> <src port="31415"/> ...
... </tcp.options> <padding pad="0"/> </tcp.header> <payload> ...


... UDPoXML datagrams encapsulated by IPoXML MAY omit the <?xml?> header as well as the <!DOCTYPE> declaration. ...
... EN" "bloat.dtd"> <udp> <udp.header> <src port="31415"/> ...
... <checksum value="2988"/> </udp.header> <payload> ...


... <!ELEMENT ip (header, payload)> ...
... <!ELEMENT header (version, tos, total.length, id, flags, offset, ttl, ...
... destination, options, padding)> <!-- length of header in 32-bit words --> <!ATTLIST header ...
... header in 32-bit words --> <!ATTLIST header length %Digits; #REQUIRED> ...
... <!-- total length of datagram (header and payload) in octets, MUST be less than 65,535 (and SHOULD be less than 1024 for IPoXML on local ...
... checksum EMPTY> <!-- 0 <= checksum <= 65535 (over header only) --> <!ATTLIST checksum ...
... address %IP4Addr; #IMPLIED> <!-- padding to bring header to 32-bit boundary. pad MUST be "0"* ...
... checksum calculations --> <!ELEMENT tcp (tcp.pseudoheader?, tcp.header, payload)> ...
... <!ELEMENT tcp.header (src, dest, sequence, acknowledgement, offset, reserved, control, window, checksum, urgent, ...
... checksum as in ip, but with the following pseudo-header added into the tcp element: --> ...
... <!-- tcp header + data length in octets. does not include the size of ...
... <!ELEMENT udp (udp.pseudoheader?, udp.header, payload)> ...
... <!ELEMENT udp.header (src, dest, udp.length, checksum)> ...
... <!-- udp header + data length in octets. does not include the size of the pseudoheader. ...



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