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SRC="file:/usr/share/latex2html/icons/prev.png"></A> <A NAME="tex2html6004" HREF="node1.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node1.html"><IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="file:/usr/share/latex2html/icons/contents.png"></A> <A NAME="tex2html6006" HREF="node590.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node590.html"><IMG WIDTH="43" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="index" SRC="file:/usr/share/latex2html/icons/index.png"></A> <BR><B> Next:</B> <A NAME="tex2html6009" HREF="node306.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node306.html">26.4.2.0.1 Actions at the</A><B> Up:</B> <A NAME="tex2html6003" HREF="node298.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node298.html">26.4 Internals and Architecture</A><B> Previous:</B> <A NAME="tex2html5999" HREF="node304.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node304.html">26.4.1.0.5 Other Extensions to</A>   <B> <A NAME="tex2html6005" HREF="node1.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node1.html">Contents</A></B>   <B> <A NAME="tex2html6007" HREF="node590.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node590.html">Index</A></B> <BR><BR><!--End of Navigation Panel--><H2><A NAME="SECTION05142000000000000000"></A><A NAME="sec:rtglibAPI"></A><BR>26.4.2 Interface to Network Dynamics and Multicast</H2>This section describes the methods applied in unicast routing to respondto changes in the topology.The complete sequence of actions that cause the changes in the topology,and fire the appropriate actions is described in a different section.The response to topology changes falls into two categories:actions taken by individual agents at each of the nodes, andactions to be taken globally for the entire protocol.<P>Detailed routing protocols such as the DV implementationrequire actions to be performed by individual protocol agents at theaffected nodes.Centralized routing protocols such as static and session routing fall intothe latter category exclusively.Detailed routing protocols could use such techniques to gather statisticsrelated to the operation of the routing protocol;however, no such code is currently implemented in .<P><BR><HR><!--Table of Child-Links--><A NAME="CHILD_LINKS"><STRONG>Subsections</STRONG></A><UL><LI><UL><LI><A NAME="tex2html6010" HREF="node306.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node306.html">26.4.2.0.1 Actions at the individual nodes</A><LI><A NAME="tex2html6011" HREF="node307.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node307.html">26.4.2.0.2 Global Actions</A></UL></UL><!--End of Table of Child-Links--><HR><!--Navigation Panel--><A NAME="tex2html6008" HREF="node306.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node306.html"><IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="file:/usr/share/latex2html/icons/next.png"></A> <A NAME="tex2html6002" HREF="node298.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node298.html"><IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="file:/usr/share/latex2html/icons/up.png"></A> <A NAME="tex2html5998" HREF="node304.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node304.html"><IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="file:/usr/share/latex2html/icons/prev.png"></A> <A NAME="tex2html6004" HREF="node1.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node1.html"><IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="file:/usr/share/latex2html/icons/contents.png"></A> <A NAME="tex2html6006" HREF="node590.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node590.html"><IMG WIDTH="43" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="index" SRC="file:/usr/share/latex2html/icons/index.png"></A> <BR><B> Next:</B> <A NAME="tex2html6009" HREF="node306.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node306.html">26.4.2.0.1 Actions at the</A><B> Up:</B> <A NAME="tex2html6003" HREF="node298.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node298.html">26.4 Internals and Architecture</A><B> Previous:</B> <A NAME="tex2html5999" HREF="node304.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node304.html">26.4.1.0.5 Other Extensions to</A>   <B> <A NAME="tex2html6005" HREF="node1.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node1.html">Contents</A></B>   <B> <A NAME="tex2html6007" HREF="node590.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node590.html">Index</A></B> <!--End of Navigation Panel--><ADDRESS>2003-09-23</ADDRESS></BODY></HTML>⌨️ 快捷键说明
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