05_NW [Mark Down]

05_NW

0501_네트워크 구조와 전송기술🚩

데이터 전송 방식🚩

• 패킷교환(Packet Switching)
• 회선교환(Circuit Switching)
• 다중접속(Multiple Access)
• TCP혼잡제어(Congestion Control)🚩130관3_(3)
• 오류제어(Error Control)
• ARQ(Automatic Repeat reQuest)
• FEC(Forward Error Correction)
• BEC(Backward Error Correction
• H-ARQ(Hybrid Automatic Repeat reQuest)

신호 처리 및 변조 기술

• 베이스밴드(Baseband)
• NW변조(Network Modulation)
• PCM(Pulse Code Modulation)
• ASK(Amplitude Shift Keying)
• PSK(Phase Shift Keying)
• 해밍거리(Hamming Distance)
• 해밍코드(Hamming Code)
• QAM(Quadrature Amplitude Modulation)직교진폭변조

다중화 및 스펙트럼 확산 기술

• FDM(Frequency Division Multiplexing)
• TDM(Time Division Multiplexing)
• WDM(Wavelength Division Multiplexing)
• MUX(Multiplexer)
• FHSS(Frequency-Hopping Spread Spectrum)
• DSSS(Direct Sequence Spread Spectrum)

네트워크 유형

• LAN(Local Area Network)
• MAN(Metropolitan Area Network)
• WAN(Wide Area Network)
• WBAN(Wireless Body Area Network)
• LPWAN(Low Power Wide Area Network)

네트워크 조직 방식

• Ad-hoc Network
• FANET(Flying Ad-hoc Network)

네트워크 보호 및 절체 기술

• SONET(Synchronous Optical Network)
• EoS(Ethernet over SONET)
• 이더넷링보호절체(Ethernet Ring Protection Switching)
• CRC(Cyclic Redundancy Check)
• 체크섬(Checksum)

0502_OSI 7 계층 모델 및 프로토콜🚩

OSI 7 Layer 정의🚩

• OSI 7 Layer(Open Systems Interconnection)🚩124관3_(5)

(7)Application(응용계층)🚩

• Application Layer
• HTTP(HyperText Transfer Protocol)🚩131관2_(5)
• HTTP/1.1
• HTTP/2
• HTTP/3(Quic)
• FTP(File Transfer Protocol)
• SMB(Server Message Block)
• NTP(Network Time Protocol)
• DNS(Domain Name System)
• DHCP(Dynamic Host Configuration Protocol)
• RTP(Real-time Transport Protocol)
• RTSP(Real Time Streaming Protocol)
• RTCP(RTP Control Protocol)
• SMTP(Simple Mail Transfer Protocol)
• IMAP(Internet Message Access Protocol)
• L7스위치(L7 Switch)

(6)Presentation(표현계층)

• Presentation Layer
• MIME(Multipurpose Internet Mail Extensions)
• ASN.1 (Abstract Syntax Notation One)
• XDR(External Data Representation)
• 압축표준(Compression Standards)

(5)Session(세션계층)

• Session Layer
• NetBIOS(Network Basic Input/Output System)
• RPC(Remote Procedure Call)
• SIP(Session Initiation Protocol)

(4)Transport(전송계층)🚩

• Transport Layer
• TCP(Transmission Control Protocol)🚩133관1_(13)
• 3-way handshake🚩133관1_(13)
• 4-way handshake🚩133관1_(13)
• UDP(User Datagram Protocol)
• SCTP(Stream Control Transmission Protocol)🚩132관3_(4)
• MPTCP(Multipath TCP)
• L4스위치(L4 Switch)

(3)Network(네트워크계층)🚩

• Network Layer
• IP(Internet Protocol)
• ARP(Address Resolution Protocol)
• RARP(Reverse Address Resolution Protocol)
• ICMP(Internet Control Message Protocol)
• VRRP(Virtual Router Redundancy Protocol)
• BGP(Border Gateway Protocol)
• OSPF(Open Shortest Path First)🚩134관1_(8)
• RIP(Routing Information Protocol)🚩134관1_(8)
• L3스위치(L3 Switch)

(2)Data Link(데이터링크계층)

• Datalink Layer
• 이더넷(Ethernet)
• PPP(Point toPoint Protocol)
• HDLC(High-Level Data Link Control)
• L2스위치(L2 Switch)

(1)Physical(물리계층)

• Physical Layer
• 물리계층신호의규격

0503_네트워크 프로토콜 및 주소 관리 기술🚩

네트워크 통신 프로토콜🚩

• 소켓통신(socket communication)🚩131관2_(5)
• 웹소켓(Web Socket)🚩131관2_(5)
• TCP소켓(TCP Socket)🚩131관2_(5)
• UDP Socket
• ICMPv6(Internet Control Message Protocol version 6)
• IGMP(Internet Group Management Protocol)

라우팅 및 경로 제어🚩

• 라우팅프로토콜(Routing Protocol)
• 라우팅경로고정(Static Routing)
• 내,외부라우팅(Interior,Exterior Routing)
• 거리벡터라우팅(Distance Vector Routing)🚩124관1_(11)
• 링크상태알고리즘(Link State Algorithm)
• 루트서머라이제이션(Route Summarization)

네트워크 제어 기술

• 슬라이딩윈도우알고리즘(Sliding Window Algorithm)
• CSMA,CD(Carrier Sense Multiple Access with Collision Detection)
• CSMA,CA(Carrier Sense Multiple Access with Collision Avoidance)

네트워크 주소 할당 및 관리🚩

• 서브네팅(Subnetting)🚩130관2_(3)
• 슈퍼네팅(Supernetting)🚩130관2_(3)
• CIDR(Classless Inter Domain Routing)
• VSLM(Variable Length Subnet Mask)
• NAT(Network Address Translation)
• IP Masquerading

IPv6 및 전송 기술

• IPv6(Internet Protocol version 6)
• IPv4,IPv6변환기술
• IPv6의보안문제점해결방안
• ND(Neighbor Discovery)

네트워크 전송 방식🚩

• Multicast
• Anycast
• Unicast
• Broadcast
• Overay Multicast
• 프레임릴레이(Frame Relay)🚩124관1_(10)

0504_무선 통신 및 차세대 네트워크 기술🚩

Wi-Fi 표준

• IEEE 802.11ac
• IEEE 802.11ad(WiGig)
• IEEE 802.11af
• IEEE 802.11ah
• Wi-Fi 6
• Wi-Fi 6E
• WI-FI 7
• Wi-Fi Direct
• IEEE 802.11bf

Wi-Fi 보안 및 확장

• IEEE 802.11i
• WPA3(Wi-Fi Protected Access 3)

근거리 통신 기술🚩

• PAN(Personal Area Network)
• WPAN (Wireless Personal Area Network)
• Bluetooth
• Bluetooth 4.0
• Bluetooth 4.2
• Bluetooth 5.0
• NFC(Near Field Communication)🚩131관1_(2)
• 비콘(Beacon)

고급 무선 및 광학 통신 기술🚩

• 모바일FSO통신(Free Space Optics)🚩121관1_(8)
• ISM Band(Industrial, Scientific, and Medical Band)
• UWB(Ultra Wideband)
• Zigbee
• Wi-Fi SUN(Smart Utility Network)
• Li-Fi(Light Fidelity)

이동 통신 기술_5G 및 6G 기술🚩

• 5G이동통신
• 5G특화망(지역5G)🚩133관4_(5),125관1_(11)
• NR(New Radio)
• MIMO(Multiple Input Multiple Output)
• NR-MIMO(New Radio-Multiple Input Multiple Output)
• Network Slicing
• MEC(Multi access Edge Computing)
• 아키텍처NSA,SA(Non Standalone,Standalone)
• 6G이동통신🚩130관1_(7)
• NPN(Non Public Network)

위성 및 특수 네트워크 기술🚩

• SATIN(Satellite Aerial Terrestrial Integrated Network)🚩128관4_(3)
• 저궤도위성통신(Low Earth Orbit Satellite Communication)
• 저궤도군집위성통신(Low Earth Orbit Constellation Satellite Communication)

차세대 무선 통신 기술 및 표준🚩

• 인지무선기술(Cognitive Radio)
• OFDM(Orthogonal Frequency Division Multiplexing)
• NOMA(Non Orthogonal Multiple Access)비직교다중접속🚩129관1_(12)
• SDR(Software Defined Radio)🚩125관1_(12)
• 스마트안테나(Smart Antenna)
• 다중반송파(Multi Carrier)
• 반송파집합(Carrier Aggregation)
• CoMP(Coordinated Multi-Point)
• O-RAN(Open Radio Access Network)
• Giga Fi
• 징(Zing)

0505_이동 통신 및 사물인터넷(IoT) 기술🚩

LTE 송수신 기술

• LTE(Long Term Evolution)
• TDD-LTE(Time Division Duplexing LTE)
• FDD-LTE(Frequency Division Duplexing LTE)

LTE 확장 기술

• VoLTE(Voice over LTE)
• LTE-A(LTE-Advanced)
• LTE-U(LTE-Unlicensed
• LWA(LTE-WLAN Aggregation)
• LTE-LAA(LTE-Licensed Assisted Access)
• 국가재난안전통신망
• PS-LTE(Public Safety-LTE)
• LTE-R(LTE-Railway)
• LTE-M(LTE-Maritime)
• LTE-X 사업

무선 액세스 및 네트워크 기술

• RAN-Sharing(Radio Access Network Sharing)
• MOCN(Multi-Operator Core Network)
• 펨토셀(Femtocell)
• 빔포밍(Beamforming)
• 고밀도화(Network Densification)
• 상호운용성(Interoperability)

기타 이동 통신 기술

• TRS(Trunked Radio System)
• e내비게이션(e-Navigation)
• FMC(Fixed Mobile Convergence)
• Wi-Fi Calling

사물인터넷 개념 및 확장🚩

• IoT(Internet of Things)🚩123관3_(6)
• M2M(Machine to Machine)
• WoT(Web of Things)
• IoE(Internet of Everything)
• IoST(Internet of Secure Things)
• Small IoT
• e-IoT(Energy IoT)
• OSGi(Open Service Gateway Initiative)

사물인터넷 통신 기술

• LoRa(Long Range)
• SigFox
• LTE-M(LTE for Machines)
• NB-IoT(Narrowband IoT)

사물인터넷 프로토콜

• CoAP(Constrained Application Protocol)
• MQTT(Message Queuing Telemetry Transport)
• XMPP(Extensible Messaging and Presence Protocol)
• LwM2M(Lightweight M2M)

사물인터넷 표준화 및 상호운용성

• 올조인(AllJoyn)
• 아이오티비티(IoTivity)
• OIC(Open Interconnect Consortium)
• 매터(Matter)

0506_스마트 홈,차량,미디어,무선충전 기술🚩

스마트 홈 기술

• 스마트홈(Smart Home)
• Home PNA(Home Phoneline Networking Alliance)
• IEEE 1394
• PLC(Power Line Communication)
• HAVi(Home Audio Video Interoperability)
• UPnP(Universal Plug and Play)
• OSGi(Open Services Gateway initiative)
• Z-Wave

차량 통신 기술🚩

• V2X(Vehicle to Everything)
• C-V2X(Cellular Vehicle to Everything)🚩121관1_(9)
• DSRC(Dedicated Short Range Communications)
• WAVE(Wireless Access in Vehicular Environments)

미디어 및 멀티미디어 통신

• VoIP(Voice over IP)
• H.323
• SIP(Session Initiation Protocol)
• MCU(Multipoint Control Unit)
• IMS(IP Multimedia Subsystem)
• mVoIP(Mobile Voice over IP)

미디어 전송 및 네트워크 기술

• NDN(Named Data Networking)
• CDN(Content Delivery Network)
• ADN(Application Delivery Network)
• 3차원비디오부호화(3D Video encoding)
• BWS MOT Carousel(Broadcast Web Service Media Object Transfer Carousel)

무선 충전 기술

• 무선충전기술(Wireless Charging Technology)
• 자기유도방식(Electromagnetic Induction)
• 자기공명방식(Magnetic Resonance)
• 전자기파(Electromagnetic Wave)
• 무선충전표준(Wireless Charging Standards)

0507_네트워크 가상화, 관리 및 보안 기술🚩

네트워크 가상화 기술🚩

• NW-DS 가상화기술
• VLAN(Virtual LAN)🚩120관3_(4)
• VXLAN(Virtual eXtensible LAN)🚩130관1_(8)
• NFV(Network Function Virtualization)🚩120관3_(4)
• OPNFV(Open Platform for NFV)
• SDDC(Software Defined Data Center)

소프트웨어정의네트워크(SDN)🚩

• SDN(Software Defined Network)🚩127관3_(5)
• 오픈플로우(OpenFlow)🚩127관3_(5)
• SD-WAN(Software-Defined Wide Area Network)
• SDE(Software-Defined Everything)

라벨 스위칭 및 오버레이 네트워크 기술

• MPLS(Multi-Protocol Label Switching)
• IP-MPLS,MPLS-TP(Transport Profile)
• 오버레이네트워크(Overay Network)

네트워크 및 클라우드 보안 기술🚩

• VPN(Virtual Private Network)🚩133관4_(6),126관4_(4),120관3_(4)
• DDoS사이버대피소(DDoS Cyber Shelter)🚩128관4_(2)
• 리버스프록시(Reverse Proxy)🚩128관4_(2)
• Tor Network(The Onion Router Network)🚩126관4_(4)
• 클라우드공통인프라(보안,네트워크)아키텍처구성🚩121관3_(6)
• ONVIF(Open Network Video Interface Forum)

네트워크 관리 시스템🚩

• NMS(Network Management System)
• NOS(Network Operating System)
• NAC(Network Access Control)🚩124관1_(13)

네트워크 품질 관리 및 최적화🚩

• QoS(Quality of Service)🚩125관3_(3)
• DiffServ(Differentiated Services)🚩125관3_(3)
• IntServ(Integrated Services)🚩125관3_(3)
• WFQ(Weighted Fair Queuing)🚩125관1_(10)
• Traffic Policing
• Traffic Shaping
• 사전패킷폐기(Early Packet Discard)
• QoE(Quality of Experience)

0508_네트워크 정책 및 정보 이론🚩

통신 정책🚩

• 망중립성(Network Neutrality)🚩123관4_(1)
• 제로레이팅(Zero rating)
• IX정산소(Internet Exchange Settlement)
• 주파수경매(Frequency Auction)
• 3GPP(3rd Generation Partnership Project)

정보 이론 및 법칙🚩

• 정보이론(Information Theroy)🚩125관4_(2)
• 샤논의정리(Shannon's Theorem)🚩125관4_(2)
• 리드의법칙(Reed's Law)
• 인터넷윤리🚩130관2_(5)

기타🚩

• 해저케이블에퀴아노(Equiano)프로젝트🚩123관1_(13)