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Fixed markup. 

Binh.
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binh 2005-02-19 15:05:52 +00:00
parent 60fb27ace8
commit 102c30a5cb
1 changed files with 22 additions and 8 deletions
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30
LDP/guide/docbook/Linux-Networking/TCP-IP.xml
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@ -43,16 +43,20 @@ services. Its main disadvantage though is that it requires more effort
in administration than other simpler protocols.
</para>
<para>
We will only analyse the TCP/IP model briefly here due to the fact that
there are currently many great reference texts out there already about the
TCP/IP model such as at
http://www.sangoma.com/fguide.htm
www.citap.com/documents/tcp-ip/tcpip012.htm
and of course in the TCP/IP Request For Comments (RFC) publication
</para>
Layer 1 and 2 - Network Access
<para><variablelist>
<para>
<varlistentry><term>Layer 1 and 2 - Network Access</term>
<listitem><para>
<para>
These two layers (Physical/Datalink) deal with pure hardware (ie. wires,
satellite links, NICs, hubs.....) and is roughly synonymous with that of
the Physical layer of the OSI Network Layer Model. The protocols in this
@ -70,10 +74,12 @@ is responsible for exchanging data between a host and the network and for
delivering data between two devices on the same network. Node physical
addresses are used to accomplish delivery on the local network.
</para>
</para></listitem></varlistentry>
Layer 3 - Internet
<varlistentry><term>Layer 3 - Internet</term>
<listitem><para>
<para>
<para>
The Internetwork Layer it is the heart of TCP/IP and the most important protocol.
IP provides the basic packet delivery service on which TCP/IP networks are built.
All protocols, in the layers above and below IP, use the Internet Protocol to
@ -93,9 +99,12 @@ internetwork routing. The Address Resolution Protocol (ARP) enable IP to identif
physical address that matches a given IP address.
</para>
Layer 4 - Transport
</para></listitem></varlistentry>
<para>
<varlistentry><term>Layer 4 - Transport</term>
<listitem><para>
<para>
The transport layer is similar to the OSI transport model, but with elements
of the OSI session layer functionality. This layer provides an application
layer delivery service. The two protocols found at the transport layer are
@ -161,9 +170,11 @@ The delivering of information from an application on one computer to an
application on another computer.
</para>
Layer 5 - Process/Application
</para></listitem></varlistentry>
<para>
<varlistentry><term>Layer 5 - Process/Application</term>
<listitem><para>
<para>
This layer is broadly equivalent to the application, presentation,
session layers of the OSI model. It includes all processes that use the
transport layer protocols to deliver data. There are many applications
@ -182,5 +193,8 @@ layer are Telnet, FTP (File Transport Protocol), SNMP (Simple Network
Management Protocol), HTTP (Hyer Text Transfer Protocol) and SMTP
(Simple Mail Transfer Protocol).
</para>
</para></listitem></varlistentry>
</variablelist></para>
</sect1>