그림 1. 통합 시스템 구성 Fig. 1. Integrated System Configuration
그림 2 프로토콜 스텍 Fig. 2. Protocol Stack
그림 3. 홈 네트워크 시스템 모델 구성 Fig. 3. Home Network System model
그림 4. 안드로이드 앱 화면 Fig. 4. Android App Screen
그림 5. 전체 핸드쉐이크 과정 Fig. 5. Message Flights for Full Handshake
그림 6. 보안인증 과정 Fig. 6. Security certification process
그림 7. CoAP/DTLS GET 메시지 과정 Fig. 7. Process of CoAP/DTLS GET message
그림 8. CoAP, HTTP, DTLS의 전송 시간(ms) Fig. 8. Transmission Times of CoAP and HTTP and DTLS (ms)
그림 9. 구간 별 소요시간(s) Fig. 9. Interval operation time(s)
표 1. DTLS의 Record Layer 포맷 Table 1. DTLS Record Layer Format
표 2. 구간 별 소요시간(ms) Table 2. Interval operation time(ms)
참고문헌
- SooHyun Ahn, Kwangjo Kim "A Method of lightweight DTLS protocol for IoT", Graduate school of information security, KAIST.
- HanByul Yeon, A Study on End-to-End Security from the Viewpoint of IoT Network Architecture, http://www.riss.kr/link?id=T14477869
- IETF-RFC6347 Datagram Transport Layer Security Version 1.2, https://tools.ietf.org/html/rfc6347
- IETF-RFC7252 The Constrained Application Protocol (CoAP), https://tools.ietf.org/html/rfc7252
- IETF-RFC6347 IPv6 over BLUETOOTH(R) Low Energy, https://trac.tools.ietf.org/html/rfc7668
- Sun-Jin Oh, Design of the Smart Application based on IoT DOI: https://doi.org/10.7236/JIIBC.2017.17.5.151
- Lei Hang, Wenquan Jin, Do-Hyeun Kim, A Design and Implementation for Registration Service of IoT Embedded Node using CoAP Protocol-based Resource Directory in Mobile Internet Environments DOI: http://dx.doi.org/10.7236/JIIBC.2016.16.1.147
- Minzheong Song, A Study on Business Types of IoT-based Smarthome: Based on the Theory of Platform Typology DOI: http://dx.doi.org/10.7236/JIIBC.2016.16.2.27
- Hyoung-Ro Lee, Chi-Ho Lin, Design and Implementation of Arduino-based Efficient Home Security Monitoring System DOI: http://dx.doi.org/10.7236/JIIBC.2016.16.2.49