Internet Off load Processor IOP IoT Un attack able
Internet Offload Processor
IOP IoT
Unattackable
Arduino Ethernet ShieldMore than 50 various Ethernet Shields from VARs and Clones in OSHW community
WIZwiki W7500 Platformwizwiki.net
mbed-enabled / Arduino-compatible
W5500 Ethernet ShieldSeeed Studio
IboardITEAD Studio
Botanicalls (W5100)Sparkfun
W5500 MicroduinoMicroduino
W5200 Ethernet ModuleDF Robot
W5500 Network AdaptoreHajo
40
35
30
25
20
15
10
5
0
Thro
ughp
ut (M
bits
/sec
)
Software TCP/IP
Hardware TCP/IP
Time (Sec.)
1 2 3 4 5 6 7 8 9 10
interval=0.1 sec.interval=0.01 sec.interval=0.001 sec.
interval=0.1 sec.interval=0.01 sec.interval=0.001 sec.
Hardware TCP/IP Firewall Processor
Comparison of Network Performance by interval of syn-flood attack (DDoS)
Comparison of Software & Hardware TCP/IP
UnattackableSoftware TCP/IP Hardware TCP/IP
mbed LPC1768
Cortex-M3
512/64
96
O
RTOS + lwIP
Flash : 64.5
RAM : 35.2
web-compiler (mbed.org)
W7500 EVB
Cortex-M0
128/16
48
O
Non-OS + Firmware
Flash :9.09
RAM : 8.99
keil
Platform
Core
Flash / RAM (KB)
System clock(MHz)
Use DMA
Software
Code Size (KB)
Compiler
Test tools iperf.exe, scapy (python)
Software TCP/IP Hardware TCP/IP
DDoS/Flooding Attack
W7500
: COREMEMORYSYSTEM
INTERFACEANALOGTIMER
EthernetMAC
HW TCP/IP
MCU
DDoS/Flooding Attack
: COREMEMORYSYSTEM
INTERFACEANALOGTIMER
EthernetMAC
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