<html><head><base href="x-msg://1785/"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">I think it's just a default value because it's long enough time to determine a server has timed out.<div><br></div><div>mehmet</div><div><br><div><div>On Aug 17, 2011, at 2:25 AM, ÁõÃ÷ÐÇ£º£© wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div style="font-size: 10pt; margin-top: 10px; margin-right: 10px; margin-bottom: 10px; margin-left: 10px; font-family: verdana; "><div><font face="Verdana" size="2"><div>According to rfc2308, if a server has not responded to an outstanding query within 120 seconds, the server may be deemed to be dead or unreachable.</div><div>I want to know why the limit time is set to 120s.</div></font></div><div><font face="Verdana" size="2"></font> </div><div align="left"><font face="Verdana" color="#c0c0c0" size="2">2011-08-17</font></div><font face="Verdana" size="2"><hr align="left" size="2" style="width: 122px; height: 2px; "><div><font face="Verdana" color="#c0c0c0" size="2"><span>Mingxing</span></font></div></font>_______________________________________________<br>dns-operations mailing list<br><a href="mailto:dns-operations@lists.dns-oarc.net">dns-operations@lists.dns-oarc.net</a><br><a href="https://lists.dns-oarc.net/mailman/listinfo/dns-operations">https://lists.dns-oarc.net/mailman/listinfo/dns-operations</a><br>dns-jobs mailing list<br><a href="https://lists.dns-oarc.net/mailman/listinfo/dns-jobs">https://lists.dns-oarc.net/mailman/listinfo/dns-jobs</a></div></span></blockquote></div><br></div></body></html>