<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1405-5546</journal-id>
<journal-title><![CDATA[Computación y Sistemas]]></journal-title>
<abbrev-journal-title><![CDATA[Comp. y Sist.]]></abbrev-journal-title>
<issn>1405-5546</issn>
<publisher>
<publisher-name><![CDATA[Instituto Politécnico Nacional, Centro de Investigación en Computación]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-55462003000300004</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Optimización del Desempeño del Sistema IP Móvil]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales-Villanueva]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Hernández]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Centro Nacional de Investigación y Desarrollo Tecnológico  ]]></institution>
<addr-line><![CDATA[ Mor]]></addr-line>
<country>MEXICO</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Instituto de Investigaciones Eléctricas  ]]></institution>
<addr-line><![CDATA[ Mor]]></addr-line>
<country>MÉXICO</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2003</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2003</year>
</pub-date>
<volume>7</volume>
<numero>1</numero>
<fpage>29</fpage>
<lpage>39</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-55462003000300004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-55462003000300004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-55462003000300004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Esta investigación presenta una evaluación del sistema IP móvil así como un nuevo esquema para una eficiente administración de localización de nodos móviles. La propuesta minimiza el tráfico extra ofrecido por el sistema al proveer el servicio de Internet a los usuarios móviles. La optimización se ve lograda al aplicar un esquema de "clusters" (grupos de células) para minimizar el tráfico por actualización, lo cual implica considerar procesos de "paging" (localización) que propició un costo adicional (tráfico extra) y los re-enrutamientos fueron minimizados utilizando el agente cache. Tomando esto en cuenta, el desempeño de la red es mucho más favorable que el desempeño en el esquema estándar de IP Móvil.]]></p></abstract>
</article-meta>
</front><body><![CDATA[ <p align="justify"><font face="verdana" size="4">Art&iacute;culo</font></p>     <p align="center"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="4"><b>Optimizaci&oacute;n del Desempe&ntilde;o del Sistema IP M&oacute;vil</b></font></p>     <p align="center"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="2"><b>Morales&#150;Villanueva A.<sup>1</sup> and Garc&iacute;a&#150;Hern&aacute;ndez C.</b><b><sup>2</sup></b></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><i><sup>1 </sup>Centro Nacional de Investigaci&oacute;n y Desarrollo Tecnol&oacute;gico &#150; CENIDET Interior Internado Palmira S/N, Col. Palmira Cuernavaca, Mor. MEXICO 62490 Tel: +52&#150;777&#150;3187741 Fax: +52&#150;777&#150;3122434. E&#150;mail: <a href="mailto:amin.morales@motorola.com">amin.morales@motorola.com</a></i></font></p>     <p align="justify"><font face="verdana" size="2"><i><sup>2</sup> Instituto de Investigaciones El&eacute;ctricas &#150; IIE Calle Reforma No. 113, Col. Palmira Cuernavaca, Mor. M&Eacute;XICO   62490 Tel: +52&#150;777&#150;3623811 Fax: +52&#150;777&#150;3189854. E&#150;mails: <a href="mailto:cfgarcia@iie.org.mx">cfgarcia@iie.org.mx</a> ; <a href="http://vmwl1.iie.org.mx/sitioIIE/sitio/indice.php" target="_blank">http://www.iie.org.mx/uci/cfgh.htm</a></i></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Resumen</b></font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">Esta investigaci&oacute;n presenta una evaluaci&oacute;n del sistema IP m&oacute;vil as&iacute; como un nuevo esquema para una eficiente administraci&oacute;n de localizaci&oacute;n de nodos m&oacute;viles. La propuesta minimiza el tr&aacute;fico extra ofrecido por el sistema al proveer el servicio de Internet a los usuarios m&oacute;viles.</font></p>     <p align="justify"><font face="verdana" size="2">La optimizaci&oacute;n se ve lograda al aplicar un esquema de "clusters" (grupos de c&eacute;lulas) para minimizar el tr&aacute;fico por actualizaci&oacute;n, lo cual implica considerar procesos de "paging" (localizaci&oacute;n) que propici&oacute; un costo adicional (tr&aacute;fico extra) y los re&#150;enrutamientos fueron minimizados utilizando el agente cache. Tomando esto en cuenta, el desempe&ntilde;o de la red es mucho m&aacute;s favorable que el desempe&ntilde;o en el esquema est&aacute;ndar de IP M&oacute;vil.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><a href="/pdf/cys/v7n1/v7n1a4.pdf" target="_blank">DESCARGAR ART&Iacute;CULO EN FORMATO PDF</a></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Referencias</b></font></p>     <!-- ref --><p align="justify"><font face="verdana" size="2">1. <b>Imielinski Tomasz</b> and <b>Badrinath B.R.</b>, "Mobile Wireless Computing: Solutions and Challenges in Data Management", Department of Computer Science, Rutgers University, pp. 1&#150;37.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=2045740&pid=S1405-5546200300030000400001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">2. <b>Listanti Marco</b> and <b>Salsano Stefano</b>, "Impact of Signalling Traffic for Mobility Management in an IN based PCS Environment", INFOCOM Dept, University of Roma "La sapienza", IEEE 95, pp. 107&#150;111.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=2045741&pid=S1405-5546200300030000400002&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">3. <b>Perkins Charles E.</b>, "Mobile IP", IEEE Communications Magazine, pp. 84&#150;99, Mayo 1997.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=2045742&pid=S1405-5546200300030000400003&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">4. <b>Simpson W. A.</b>, "IP Mobility Support", IETF Mobile IP Working Group, 5<sup>th</sup> Draft. 1994.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=2045743&pid=S1405-5546200300030000400004&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">5. <b>Kunzinger Charles A.</b>, "Network Layer Mobility: Comparison of CDPD and Mobile&#150;IP". Emerging Technologies Networking Hardware Division Research Triangle Park, NC. Document Number TR 29.2003, IBM Corp., pp. 1&#150;38, 1995.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=2045744&pid=S1405-5546200300030000400005&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">6. <b>Markoulidakis John G.</b>, <b>et. al.</b>, "Mobility Modeling in Third&#150;Generation Mobile Telecommunications Systems", IEEE Personal Communications, pp. 41&#150;56, August 1997.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=2045745&pid=S1405-5546200300030000400006&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">7. <b>Brown Timothy X.</b> and <b>Mohan Seshadri</b>, "Mobility Management for Personal Communications Systems", IEEE Transactions on Vehicular Technology, Vol. 46, No. 2, pp. 269&#150;278, May. 1997.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=2045746&pid=S1405-5546200300030000400007&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">8. <b>Solomon James D.</b>, "Mobile IP: The Internet Unplugged", Prentice Hall Series in Computer Networking and Distributed Systems, 1998.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=2045747&pid=S1405-5546200300030000400008&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">9. <b>Rajagopalan Subhashini</b> and <b>Badrinath B. R.</b>, "An Adaptive Location Management Strategy for Mobile IP", Depto. of Computer Science Rutgers University, pp.1&#150;11.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=2045748&pid=S1405-5546200300030000400009&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">10. <b>Morales Villanueva</b>, <b>Am&iacute;n de Jes&uacute;s</b>; <i>"Optimizaci&oacute;n del Desempe&ntilde;o del Sistema IP M&oacute;vil", </i>Tesis de Maestr&iacute;a, CENIDET, Enero de 1999.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=2045749&pid=S1405-5546200300030000400010&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">11. <b>Steele Raymond</b>, <b>Whitehead James</b> and <b>Wong W. C.</b>, "System Aspects of Cellular Radio", IEEE Communications Magazine, pp. 80&#150;86, January 1995.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=2045750&pid=S1405-5546200300030000400011&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">12. <b>Akyildiz Ian F.</b> and <b>Ho Joseph S. M.</b>, "A Mobile User Location Update and Paging Mechanism Under Delay Constraints", Broadband and Wireless Networking Laboratory (B_W_N Lab), School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=2045751&pid=S1405-5546200300030000400012&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">13. <b>Akyildiz Ian F.</b> and <b>Ho Joseph S. M.</b>, "On Location Management for Personal Communications Networks", IEEE Communications Magazine, pp. 138&#150;145, September 1996.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=2045752&pid=S1405-5546200300030000400013&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">14. <b>Perkins Charles E.</b>, <b>Myles Andrew</b> and <b>Johnson David B.</b>, "The Internet Mobile Host Protocol (IMHP)", Proc. INET'94/JENC5. , pp. 642&#150;1 &#150;642&#150;9, 1994.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=2045753&pid=S1405-5546200300030000400014&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">15. <b>C. F. Garc&iacute;a&#150;Hern&aacute;ndez</b>, <b>L. R. Garc&iacute;a&#150;Reyna,</b> "Implicaciones de la Arquitectura de la Base de Datos en el Desempe&ntilde;o del Sistema PCS", IEEE&#150;ROC &amp; C'98, G1&#150;7, 25&#150;29 de Noviembre de 1998.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=2045754&pid=S1405-5546200300030000400015&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">16. RFC 3344 de la IETF, IP M&oacute;vil, Agosto/2002, <a href="http://www.ietf.org/rfc/rfc3344.txt" target="_blank">http://www.ietf.org/rfc/rfc3344.txt</a></font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=2045755&pid=S1405-5546200300030000400016&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> ]]></body><back>
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