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Ken Cureton January 2013 cureton@usc

Ken Cureton January 2013 cureton@usc

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Ken Cureton January 2013 cureton@usc

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  1. A Summary of SAE 574:Net-Centric Systems Architecting & EngineeringUniversity of Southern CaliforniaViterbi School of EngineeringSystems Architecture & Engineering (SAE) Ken Cureton January 2013 cureton@usc.edu

  2. SAE 574 Objective • Part of Systems Architecting & Engineering (SAE) Series • Objective:“Provide System Engineers And Architects With Understanding Of The Intersection Between Network Engineering, Systems Architecting, And Systems Engineering.” • Elective Course in University of Southern California’s Masters Program in Systems Architecting & Engineering • Class Initiated in the Fall of 2003 • About 350 Students have completed the class • Student Demographics: • About ½ are employed by aerospace companies • About 1 out of 20 are Air Force, Navy, or Army officers • Remainder are foreign students or those with more of a commercial background SAE_574_Summary.ppt

  3. SAE 574 Class Format • Semester Class, 16 Weeks, One night/week • 12 Weekly Lectures, 2 hours 40 minutes each • 3 days off! (2 holidays, one Spring Break) • 1 Final Exam week (scheduled but not used) • Distance Learning Format • Typically only one or two students in the TV Studio, majority of students are scattered across the US • Class content webcasted for online/offline viewing • Class content in PowerPoint format, hosted on Blackboard Software for student preview • Blackboard Software provides for Chat or Voice Interaction online, Discussion Boards offline • Simultaneous Webex for real-time interaction • “Walk the Talk” about Net-Centric Concepts SAE_574_Summary.ppt

  4. SAE 574 Class Grading • Two Research Papers required of each student • One in place of Midterm Exam, other for Final Exam • Papers are typically 20 single-spaced pages, suitably formatted for publication in a technical journal • Student materials on “How to Write Research Papers” • No weekly homework, but students are encouraged toe-mail Instructor with questions, outlines, drafts, etc. • Students choose research topic(s) • Submit abstract for approval by Instructor • Can use same topic for both papers • Structured analysis for each paper • Specific analyses required in each case to demonstrate student’s ability to apply the class fundamentals • Paper #1: Material from first 6 Lectures • Paper #2: Material from next 4 Lectures • Extra credit for material from last 3 Lectures SAE_574_Summary.ppt

  5. SAE 574 Lecture #1 • Syllabus • Definitions • Systems Architecting • Systems Engineering • Nodes in a Network • Net-Centric, Network-Centric, Net-Enabled • Complexity Theory and Complex Systems • Enabling Characteristics of Net-Centric Systems • Agility (Timeliness/Accuracy) • OODA Loop • Location Independence • Collaboration • Self-Organization • The power of Net-Enabled Systems • Synergistic Effect of Collaboration, Emergent Behavior • Example: Internet Growth & Uses • Net-Enabled Ecosystem: Technology, Processes, People SAE_574_Summary.ppt

  6. SAE 574 Lecture #2 • History of Networked Systems • Centralized Processing through Distributed Systems • Moore’s Law • Metcalf’s Law • Network Components • Nodes, Interfaces, Gateways, Bridges, Routers, etc. • Networked System Categories • Characteristics and Abilities • Architectural Implications & Constraints • Fixed Location Users of a Fixed Network Infrastructure • Mobile Users of a Fixed Network Infrastructure • Fixed Location Users of a Mobile Network Infrastructure • Mobile Users of a Mobile Network Infrastructure • Mobile Ad hoc Networks • System of Systems, Network of Networks • Intro to Complexity Theory as applied to Networks SAE_574_Summary.ppt

  7. SAE 574 Lecture #3 • Layered Architecture “Reference” Models • Benefits & Costs & Weaknesses of this approach • Abstraction • Historical Models • Becker’s 6-Layer through SNA/APPN, DSA, DECnet • OSI 7-Layer Reference Model • Connection-Oriented vs. Connectionless • Physical Layer (Characteristics, Functions, Services, Typical Standards, Example Implementation & Uses) • Data Link Layer (ditto) • Network Layer (ditto) • Transport Layer (ditto) • Session Layer (ditto) • Presentation “Encoding” Layer (ditto) • Application Layer (ditto) SAE_574_Summary.ppt

  8. SAE 574 Lecture #4 • The Internet Model • History (1962 through 1994) • Network Classes & Addressing (“A” through “E”) • Infrastructure • Subnetting • ISP, RSP, NAP, IXP, IIX, Backbone • Geographical Distribution & Growth • Strengths & Weakness of the Internet approach • Internet II and other Future Projects • Ethernet Protocol • Comparison to Polled Systems, Handshaking, TDMA • IP Reference Model • Contrast/Compare to OSI 7-Layer • Multiplexing, Routing, Protocol Numbers, Ports, Sockets • Address Resolution (Logical, IP, MAC), Routing Domains • Introduction to W3C and Internet Policy SAE_574_Summary.ppt

  9. SAE 574 Lecture #5a • Assured Availability • Fundamentals of Fault Tolerance (Assured Operation, Inadvertent Operation, Intermittent Operation,Generic Failures, Fault Containment) • Advantages & Disadvantages of Cross-Strapping • Impacts on Reliability, Maintainability, Training • Failure Modes & Effects with Criticality Analysis (FMECA)of Networked Systems • Typical HW/SW steps to assure Network Availability • Assured Integrity (Trust aspects) • Fundamentals of Trust • Safety-Of-Life Applications (GPS/WAAS example) • Trusted System Concepts (Hardware, People, Processes) • Trusted Software Concepts & Methodologies(including Formal Methods) SAE_574_Summary.ppt

  10. SAE 574 Lecture #5b • Assured Integrity (Security aspects) • Data Integrity (Checksums, CRC, Hash codes, etc.) • Defense against Virus, Worms, DOS/DDOS, Polymorphic, Eavesdropping, Trap Doors, Trojans, Insider Attack, etc. • Assured Authentication • Methods of Strong Authentication, Biometrics, Trusted Third Parties/Certificate Authorities, etc. • Assured Confidentiality & Authorization • Encryption: PKI, PGP, IPSEC/VPN, Digital Certificates • IBAC vs. RBAC, “Least Privileges”, etc. • Assured Non-Repudiation • Methods of digitally-signed audit trails • Networked Security Management • Enclave Security, Defense-In-Depth, Firewalls, IDS, etc. • Orange Book, Common Criteria, DIACAP, MLS vs. MILS, Acceptable Levels of Risk, etc. • Cyber Security SAE_574_Summary.ppt

  11. SAE 574 Lecture #6 • Architecture Modeling • Goals & Objectives of Modeling: Find Design Holes, Unexpected Interfaces/Couplings/Dependencies,and Unknown-Unknowns early in the Design Process • History (Flow Charts, Structured Programming Diagrams, Finite State Automata, 4+1 Views, ROSE, RUP, the “Methods Wars”) • Unified Modeling Language (UML v2.0) • General Coverage of 13 Diagram Types • Detailed: Use Case, Class, Activity, Sequence Diagrams • System Modeling Language (SysML v1.0) • General Coverage of 8 Diagram Types • Detailed coverage of Assembly & Structure Diagrams • Model-Driven Architecture (MDA) & Development • Use of Executable Models • Domain-Driven Architecture SAE_574_Summary.ppt

  12. SAE 574 Lecture #7 • Model Definitions • Reference Models, Architecture Models, Architecture Frameworks, Stakeholders, Views & Viewpoints • History • Functional Decomposition/Tree, N2, FFBD Diagrams • IEEE 1471 Conceptual Framework • C4ISR Views, Steps, Products, Interrelationships • DoDAF (v2.0) and MoDAF • Coverage of OV, SV, StdV, AV, CV, DIV, PV, SvcV • Essential Views, Supporting Views • Mandated Use (OMB A-130) • MOOs and MOPs and MOEs • History (C4ISR, DoDAF v1.0-v1.5) and Future • DoDAF Meta-Model (DM2), etc. SAE_574_Summary.ppt

  13. SAE 574 Lecture #8 • Enterprise Architectures • Intent and Scope: Business, Data/Information, Application (Systems), Technology (IT) Architectures • Historical: MIL-STDs, TAFIM, DII COE • Zachman Framework • Federal Enterprise Architecture (FEA) • PRM, BRM, SRM, DRM, and TRM • Global Information Grid (GIG) and GIG-BE • GIG Enterprise Services (GES) • Net-Centric Enterprise Services (NCES) • TPED vs. TPPU, Publish/Subscribe, Infospheres • DISR • JTA, TRM, NR-KPPs, Net-Centric Checklist, etc. • Legal Implications of Mandated IT Structures SAE_574_Summary.ppt

  14. SAE 574 Lecture #9 • System-of Systems Analysis & Tools • Structured Analysis: IDEFs vs. UML • Risk-Based Spiral (Evolutionary) Development Process • Markup Languages • SGML: Markup Files, DTDs, DSSSL Style Sheets • HTML, XHTML • XML: Markup Files, DTDs, Schema, XSL Style Sheets • DISA XML Registry • Semantic Models/Ontologies • What & Why • Context-Free Semantics & Meanings • RDF • OWL (Light, DL, Full) and others • Domain & Upper Ontologies, Bridging Ontologies, etc. • Semantic Web & the Future (DAML/OIL:OWL-S, etc.) • Taxonomies, Properties, Inference Rules SAE_574_Summary.ppt

  15. SAE 574 Lecture #10 • Middleware • Basic Concepts, Stimulation, Simulation, Fault Injection & Monitoring, Application Services, Call Class Wrappers • Remote Access & Distributed Computing Services • Historical: MOM, RPCs, ORBs, CORBA, DCOM • Web Services • What & Why (vs. Tightly-Coupled, Point-to-Point) • SOAP, WSDL, UDDI • .NET vs J2EE • Service-Oriented Architectures (SOA) • Key Concepts of Loose Coupling, Registration & Discovery of Services, Composability, Governance, etc. • Grid Computing, classic Software As A Service,Web 2.0 and other SOA concepts • Cloud Computing (SaaS, PaaS, IaaS, etc.) • Semantic Web Services (into the Future: Web 3.0) SAE_574_Summary.ppt

  16. SAE 574 Lecture #11 • IPv4 • Original Design & Patches (NAT, IPSEC, etc.) • IPv5 • IPv6 • Addressing Schemes (Representations, What & Why) • Multihomed Hosts & True Hierarchical Networks • Autoconfiguration of addresses • DHCPv6, DAD, MANet/ANS • Service Discovery • Enhanced Authentication & Security (IPSECv6, AH/ESP) • Mobile IP • Quality of Service (QoS) • Best Effort vs. Guarantees, INTSERV, DIFFSERV, Packet Flow Control & Prioritization • Transition from IPv4 (6OVER4, 6TO4, ISATAP, etc.) SAE_574_Summary.ppt

  17. SAE 574 Lecture #12 • Timing- and QoS-Critical Network Service needs • VOIP, Streaming Video, File Transfer, e-Mail, WS, etc. • Historical Network Protocols • Frame Relay, X.25, ISDN, Token Rings, FDDI, etc. • UDP/IP and RTP/IP • RTSP, RSVP, RTPC, SDP, SIP, etc. • ATM • Contrast/Compare to IP, IP Encapsulation • Service Classes and True QoS • SONET/SDH • Fiber Optic Based Network Concepts & Capacities • Linear & Ring Networks • MPLS • Contrast/Compare to IPv4/IPv6; IP Encapsulation • Telecomm Industry Review & The Future SAE_574_Summary.ppt

  18. SAE 574 Summary • Students Exposed to a Broad Range of Net-Centric Topics • Students Required to Demonstrate (for their chosen topic): • Benefits due to its net-centric design • Fundamental organization of the network • How user collaboration synergy/emergent behavior supported • Reference model of sample nodes with layered analysis • Analysis of potential for Growth/Evolution/Future Use • Assured Availability: Fault Tolerance methods and a FMECA • Assured System Integrity and Data Integrity • Security: Authentication, Confidentiality, & Non-Repudiation • Security Management method • UML Use Case, Sequence, Activity Diagrams and descriptions • OV-1, OV-2, SV-1, SV-3 Diagrams and descriptions • Enterprise Architecture (Zachman or FEA) • Domain Ontology covering several key elements (in English) • Spiral/Evolutionary Development steps • Emphasis: Training Systems Architects & Systems Engineers in the application of Net-Centric System Design Concepts SAE_574_Summary.ppt