EVB-PIC24 WIZnet, EVB-PIC24 Datasheet - Page 98

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EVB-PIC24

Manufacturer Part Number
EVB-PIC24
Description
Development Boards & Kits - PIC / DSPIC W3150A+EVAL BOARD BASED ON PIC24
Manufacturer
WIZnet
Datasheet

Specifications of EVB-PIC24

Rohs
yes
Product
Development Kits
Interface Type
RS-232
Data Bus Width
16 bit
Dimensions
50 mm x 40 mm
“FOO.F.ISI.ARPA”, “ARPA”, and ROOT. “F.ISI.ARPA” is processed in the format of <Fig 3.41: Example of
QNAME Field transformation of Question Section > with Offset 20 of DNS Message without compression.
In “FOO.F.ISI.ARPA,” since the rest except for “FOO” is same as Name which is previously processed,
“FOO” is processed with <Fig 3.41: Example of QNAME Field transformation of Question Section > Format
without compression and the rest of names is processed by Offset 26. ROOT is the highest Domain and it‟s
processed with Label Length Field of 0.
parse_name(), before analysis of Name, checks if upper 2 bits of Label Length Byte are 11, if it‟s „11‟ the
related Label analyzes the Label at the offset of DNS Message where the Label is located. If it‟s no „11‟ then
the Label is analyzed and processed like as <Fig 3.41: Example of QNAME Field transformation of Question
Section >.
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