Intelligent IoT Gateway on OpenWrt
Intelligent IoT Gateway on OpenWrt
Intelligent IoT Gateway on OpenWrt
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Public<br />
6LoWPAN - focus <strong>on</strong> low energy<br />
• Fragmentati<strong>on</strong> and reassembiling<br />
• 1280 bytes IPv6 packets fragmented to fit into 127 bytes 802.15.4<br />
frames<br />
• Header compressi<strong>on</strong> mechanism<br />
• IPv6 header is 40bytes l<strong>on</strong>g! – reducing transmissi<strong>on</strong> overhead<br />
• Link layer packet forwarding<br />
• Thread is using IP layer routing with link layer packet forwarding<br />
38<br />
© Tieto Corporati<strong>on</strong>