Are Low PANs a PAN or an Internet of PANs?
Are Low PANs a PAN or an Internet of PANs?
ZigBee has recently emerged as a widely recognized forum that is formalizing IEEE802.15.4 devices for interoperability and compatibility amongst a number of vendors and designers. Under the auspices of IETF working group of 6lowPAN, efforts are underway to provide interconnectivity between low powered IEEE802.15.4 devices and wired IPv6 domain. Besides a plethora of interoperability issues, routing stands out as a challenging consideration. In this paper, we have discussed the routing approaches adopted in current ZigBee device specifications and existing work under the 6lowPAN charter. We describe, through a protocol, how to involve gateways in routing functionality in 6lowPAN networks. Through NS2-based simulation study, our performance analysis amenably supports the applicability of our protocol.
- Ajou University Korea (Republic of)
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