Microchip's Route Under MAC (RUM), with support for IPv6 and 6LoWPAN, is a highly flexible stack solution for low-power and low-cost wireless sensor network applications. Specifications are being defined by the Internet Engineering Task Force (IETF), while embedded IP-based solutions are being marketed by the IPSO Alliance (www.ipso-alliance.org). The Microchip IPv6/6LoWPAN implementation along with further information is available from www.atmel.com/6LoWPAN.