<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><br><div><div>On Oct 28, 2014, at 12:44 AM, A, Keshava <<a href="mailto:keshava.a@hp.com">keshava.a@hp.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span style="color: rgb(31, 73, 125); font-family: Calibri, sans-serif; font-size: 15px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; display: inline !important; float: none;">Here thinking OpenStack cloud as hierarchical network instead of Flat network ?</span></blockquote></div><br><div>A routed network has one lookup just like a bridged network. The difference is that the router operates as a host in the L2 domain - it only receives or operates on messages sent to its MAC address or to multicast addresses it accepts.</div></body></html>