Ensuring Triple Play Quality

00:00 03-06-2008
<p class="MsoNormal" style="TEXT-JUSTIFY: inter-ideograph; MARGIN: 0in 0in 0pt 0.5in; TEXT-ALIGN: justify"><i><span style="FONT-SIZE: 14pt; COLOR: navy; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US"><font face="Arial, Helvetica, sans-serif"><font size="2">In the past, routers and switches were tested by simulating a virtual topology around the device under test, and then making measurements on static flows or streams of packets across this topology and through the device under test.</font></font></span></i></p> <p class="MsoNormal" style="TEXT-JUSTIFY: inter-ideograph; MARGIN: 0in 0in 0pt 0.5in; TEXT-ALIGN: justify"><i><span style="FONT-SIZE: 14pt; COLOR: navy; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US"><font face="Arial, Helvetica, sans-serif" size="2"> </font></span></i></p> <p class="MsoNormal" style="TEXT-JUSTIFY: inter-ideograph; MARGIN: 0in 0in 0pt 0.5in; TEXT-ALIGN: justify"><i><span style="FONT-SIZE: 14pt; COLOR: navy; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US"><font face="Arial, Helvetica, sans-serif"><font size="2">However, with the rise of triple-play services, supported by networks tuned and optimized for on-demand services, the nature of test has shifted from stream and flow-based measurements to service-oriented measurements.  </font></font></span></i></p> <p class="MsoNormal" style="TEXT-JUSTIFY: inter-ideograph; MARGIN: 0in 0in 0pt 0.5in; TEXT-ALIGN: justify"><i><span style="FONT-SIZE: 14pt; COLOR: navy; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US"><font face="Arial, Helvetica, sans-serif" size="2"> </font></span></i></p> <p class="MsoNormal" style="TEXT-JUSTIFY: inter-ideograph; MARGIN: 0in 0in 0pt 0.5in; TEXT-ALIGN: justify"><i><span style="FONT-SIZE: 14pt; COLOR: navy; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US"><font face="Arial, Helvetica, sans-serif"><font size="2">For example, testing the QoS policy of a router requires the creation of TCP sessions, with each session representing a different type of service (i.e. http or peer-to-peer) with the router applying a different policy to each traffic type.  QoS measurements are made on each subscriber or service, as well as on UDP-based services (IPTV/voice) that may be impacted.  </font></font></span></i></p> <p class="MsoNormal" style="TEXT-JUSTIFY: inter-ideograph; MARGIN: 0in 0in 0pt 0.5in; TEXT-ALIGN: justify"><i><span style="FONT-SIZE: 14pt; COLOR: navy; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US"><font face="Arial, Helvetica, sans-serif" size="2"> </font></span></i></p> <p class="MsoNormal" style="TEXT-JUSTIFY: inter-ideograph; MARGIN: 0in 0in 0pt 0.5in; TEXT-ALIGN: justify"><i><span style="FONT-SIZE: 14pt; COLOR: navy; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US"><font face="Arial, Helvetica, sans-serif"><font size="2">This presentation will present the products & features on the Agilent N2X for making service-oriented measurements.</font></font></span></i></p> <p class="MsoNormal" style="TEXT-JUSTIFY: inter-ideograph; MARGIN: 0in 0in 0pt; TEXT-ALIGN: justify"><span style="FONT-SIZE: 14pt; COLOR: navy; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US"> </span></p><SPAN STYLE="display: none"> <P>Acetylenide minutes, pointedly? 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