<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Liebe ATNog Gemeinde,<div class=""><br class=""><div class="">verwendet hier eigentlich jemand BFD für Transit- oder Peering-Sessions? So wie ich BFD verstehe, wäre das ja eine gute Sache, nur verwendet es kaum wer. Warum eigentlich? Mögliche Gründe die mir einfallen sind:</div><div class=""><div class=""><br class=""></div><div class="">1) Nicht notwendig da beide Router directly connected</div><div class="">2) Interoperability-Probleme mit unterschiedlichen Routern</div><div class="">3) Kosten für Lizenzierung —> auf Cisco ASR eine AIS/AES Lizenz erfoderlich</div><div class="">4) Vielleicht Historisch bedingt?</div><div class=""><br class=""></div><div class="">Bieten die etwas größeren Transits hier in AT (Anexia, Nextlayer, A1, T-Mobile, etc.) ihren Kunden BFD optional an?</div><div class=""><br class=""></div><div class="">Es gibt aktuell übrigens auch ein Proposal für BFD bei IXP Routeservern: <a href="https://datatracker.ietf.org/doc/draft-ietf-idr-rs-bfd/" class="">https://datatracker.ietf.org/doc/draft-ietf-idr-rs-bfd/</a></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">LG</div><div class="">Dominic</div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><span style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><span><span><span style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><span><span><span><span><span><span style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><span><span><span><span><span><span><span><span><img apple-inline="yes" id="8CE734C0-2EEC-4051-AC92-144E497F6BC2" src="cid:A38FFA13-EE7B-4A35-9EEC-9DDC33354545@lan" class=""></span><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><span style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><span><span><span style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><span><span><span><table border-spacing="0" cellpadding="0" cellspacing="0" style="letter-spacing: normal; text-indent: 0px; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; padding: 0px; margin: 0px; font-family: "Lucida Grande", sans-serif; font-size: 10px; line-height: 10px; color: rgb(176, 176, 176); border-collapse: collapse;" class=""><tbody class=""><tr class=""><td height="5" style="height: 5px; font-size: 5px; line-height: 5px;" class=""><br class=""></td></tr><tr class=""><td class=""><span class=""><span style="color: rgb(176, 176, 176); border: none; text-decoration: none;" class=""><b class="">schallert.com e.U.</b></span> | </span><span class="">Hauptstraße 35b, 6800 Feldkirch, Austria</span></td></tr><tr class=""><td height="5" style="height: 5px; font-size: 5px; line-height: 5px;" class=""> </td></tr><tr class=""><td class=""><span class="">FN: 440372g</span><span class="Apple-converted-space"> </span> | UID: <span class="">ATU66209211 </span>| <span class="">Gerichtsstand: Feldkirch</span></td></tr><tr class=""><td height="5" style="height: 5px; font-size: 5px; line-height: 5px;" class=""> </td></tr><tr class=""><td class=""><span class="">Tel.: +43 680 146 1947 | </span><span class="">Fax: +43 134 242 642 616</span></td></tr><tr class=""><td height="15" style="height: 10px; font-size: 10px; line-height: 10px;" class=""><br class=""></td></tr><tr class=""><td class=""><span class=""><a href="http://www.schallert.com" style="color: rgb(176, 176, 176); border: none; text-decoration: none;" class="">www.schallert.com</a></span><span class="Apple-converted-space"> </span> | <span class=""><a href="mailto:office@schallert.com" style="color: rgb(176, 176, 176); 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