The Illustrated Network- P82 pptx
The Illustrated Network- P82 pptx
... 170–79
Ethereal interpretation of fi elds,
169
fi elds, 168, 169
Flags fi eld, 171
Fragment Offset fi eld, 171
Header Checksum fi eld, 172
Header Length fi eld, 171
Identifi cation fi eld, 171
illustrated, ... changes, 183–84
Extension Headers, 184
Flow Label fi eld, 181, 183
Hop Limit fi eld, 182
illustrated, 181
Illustrated Network, 166–67
IPv4 header comparison, 182–84
Next Heade...
The Illustrated Network- P33 pptx
... congested (they are the fi rst to know), so they can
easily fl ip some bits in the IPv4 and IPv6 headers of the packets they route. These bits
are in the TOS (IPv4) and Flow (IPv6) fi elds, and the hosts ... 11.3, the client chooses an initial sequence
number (ISN) in the fi rst SYN sent to the server. The server ACKs the ISN by adding one
to the proposed ISN (ACKs alway...
The Illustrated Network- P35 pptx
... (DOS).
Sockets for Windows
The pressure that led to the development of the WinSock interface is simple to
relate. Users wanted to hook their Windows-based PCs into the Internet. The Internet
only understands ... as the Unix operating system
handles that. With Windows applications written for the WinSock DLL, all of the TCP/IP
processes worried about the decision of whethe...
The Illustrated Network- P44 pptx
... portion of the Ethereal capture of the packet stream, detailing the UDP con-
tent inside the IP packet.
FIGURE 16.2
Multicast packet capture, showing the MAC address format used and the port in the ... indicates the number of bits that is signifi cant
in the following prefi x. There is no length fi eld for this list that ends the Update
message. The number of NLRIs presen...
The Illustrated Network- P54 pptx
... contrast to the text fi les used in most Unix DNS
versions (as shown in Figure 19.4).
The Ethereal capture in Figure 19.5 shows the utter simplicity of the DNS message
exchanges. There’s even ... "named.local";
};
The two zone statements only point to the root servers on the Internet (in the hints fi le
named.ca) and make this server the master for its own loopba...
The Illustrated Network- P65 pptx
... the Internet (1). At the lowest branches of the tree are the MIB objects
themselves. These are organized into MIB-I (the original SNMP defi nitions) and MIB-II
(extended SNMP defi nitions).
The ... various objects in the managed
device. The exact function and meaning of an object, and the relationship of one object
to another, is described in the MIB for the managed dev...
The Illustrated Network- P71 pptx
... operated by the customer and are at the “edge” of the VPN. At
least one link runs to the ISP and carries customer data to and from the ISP’s network.
The data on the link can be in plain text (the ...
with a VPLS virtual port that forms the endpoint of the MPLS tunnel (LSP) that carries
the frames from one LAN to the other.
There are many other variations on the bas...
The Illustrated Network- P83 pptx
... authentication, 636, 637–38
basics, 636–37
clients, 636, 639
as client–server protocol, 636
confi guration fi les, 640
Ethereal capture, 655
features, 637–38
FTP and, 647
host key, 640
Illustrated ... 42–43
in applications layer, 41
illustrated, 43
interfaces, 11
TCP/IP layers, 14, 26–27, 30–41
application, 30, 41
contents, 25
data link, 30, 32–35, 84–86
illustrated, 26, 44...
Tài liệu LoopStar® 722 A Flexible, Cost-Effective Solution for Extending the Metro Network—Further pptx
... sub-tend off the larger LoopStar 750.
The LoopStar 722 offers a combination of fixed configurations and an option slot, and provides the
same software base and feature set as the LoopStar 750.
... Solution for Extending the Metro Network—Further
Application Diversity
The high-performance LoopStar 722 edge platform can reach across any type of network (SONET/SDH,
Optical Etherne...
Báo cáo hóa học: " Research Article An MC-SS Platform for Short-Range Communications in the Personal Network Context" pptx
... are other benefits of the single-
chip designs. For these reasons, the zero-IF approach was
preferred and the MAXIM MAX2829 chip was used as the
heart of the RF part of the design. Besides, the ... index parameters. The MAC frame prepared by at-
taching the MAC header and the payload is then sent to the
transmitter for the transmission over the air.
The transmitter...
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