Computer Networks And Internets Fifth Edition
The general form of a URL should show a question mark
as the delimiter for parameters rather than a percent
sign. For more information on URL syntax, see RFC 3986.
The acronym JPEG is incorrectly expanded; it should
be the Joint Photographic Experts Group.
Figure 7.9 incorrectly skips MHz, which means that the
arrows labeled GHz and THz are positioned incorrectly.
Figure 7.10 incorrectly labels frequencies in Mbps
instead of MHz.
The satellites in 7.13 should be farther from the earth
by an amount equal to the earth's radius.
It may not be clear that the division in Figure 8.12 is
performed modulo 2; additional text is needed preceding
the example to explain that the division does not use
In the footnote, the word "public" is missing the letter "l".
Exercise 12.5 is incorrectly worded. It should ask which
forms of DSL are used for each of the cases where more
data is sent or received.
The first paragraph under ``Byte And Bit Stuffing'' says that
in ASCII, a \f2SOH\f1 has hexadecimakl value 201 and \f2EOT\f1 has
hexadecimal value 204. Although many networks use the high-order
bit to indicate control chactacters, the ASCII definintion
specifies hexadecimal 0x01 and 0x04.
In Figure 15.7, the diagram of twisted pair Ethernet
wiring should show wires running from each computer
down the hall to the hub.
Figure 17.4 shows the bridge learning that C is on
segment 1 even though C has not transmitted a packet.
In addition, the heading "Frame Sent" is changed to
"Frame Travels" to indicate that the bridge does not
send the frame back over the segment on which it
"...only four bits of " => "only six bits"
"...the ISP can divided" => "...the ISP can divide"
In Figure 21.4 the first 24 bits should be 0 through 23,
not 0 through 24.
Added a footnote describing the use of all-zeroes in a
default route along with an explanation that the use
is unrelated to the interpretation when used in a
Removed block 169.254.0.0/16 from the figure, and
Clarified that although the block is reserved for
link-local assignments, it is not generally used
The translation table in Figure 23.13 incorrectly
lists the destination IP address in incoming packets;
the address should be 18.104.22.168.
Labels of "already acknowledged" and "already sent"
The version of the web server code in the text does
not support the file name "index.html" as used in the
example on page 575. An extra test should be added
to recognize "/index.html" as well as "/".
Copy of corrected pages: