The use of Wireless Mesh Networks has growing use in areas without telecommunication infrastructure. One of the main problems is the network performance due to the low capacity of the processors used in intermediary mesh nodes. We propose a hardware implementation of IP Checksum incremental update in FPGA (Field Programmable Gate Array) or ASIC (Application Specific Integrated Circuits). Then, this implementation is compared with the kernel Linux TCP/IP implementation.Resumo-O uso das Redes Mesh está crescendo emáreas sem infraestrutura de telecomunicação. Um de seus principais problemasé a performance de rede devido aos processadores de baixa capacidade usados em nós intermediários. Neste trabalho, e proposta uma implementação em hardware do Recálculo Incremental do IP Checksum em FPGA (Field Programmable Gate Array) ou ASIC (Application Specific Integrated Circuits). Então, esta implementaçãoé comparada com a implementação em software da pilha TCP/IP do kernel Linux.
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