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Computerized Networking of HIV Providers Networking Fundamentals

Computerized Networking of HIV Providers Networking Fundamentals. Presented by: Tom Lang – LCG Technologies Corp. May 8, 2003. Agenda. Network Infrastructure (“plumbing”) VPN & the “Internet” Network Resources Putting IT all together Application Architecture Networking & HIPAA

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Computerized Networking of HIV Providers Networking Fundamentals

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  1. Computerized Networking of HIV Providers Networking Fundamentals Presented by: Tom Lang – LCG Technologies Corp. May 8, 2003

  2. Agenda • Network Infrastructure (“plumbing”) • VPN & the “Internet” • Network Resources • Putting IT all together • Application Architecture • Networking & HIPAA • Support Requirements • Lots of Questions & Some Answers

  3. What is a Computer Network? • Share computer resources – consists of two major sets of components: • “Plumbing” – roads, traffic lights and signs • Resources – restaurants, gas stations and hotels LAN – Local Area Network (one domain / office) WAN – Wide Area Network (more than one domain / segment / office)

  4. The “Plumbing” of a Network? • Cabling – physical connection that ties together all of the resources (roads / highways) • Hubs / Switches – manage the communication traffic within one “network domain / segment / office” to make sure traffic “continues to move” (side street & city traffic lights and signs) • Routers – manage the communication traffic between “network domains / segments / offices” to make sure traffic “continues to move” (on / off ramp traffic lights and signs)

  5. Cabling Manufactured to handle certain levels / speeds of traffic (alley, 2 lane street, 4 lane highway) • Category 3 – “old” phone cabling • Category 5 – “old” data standard, up to 100 MB and less than 300 feet • Category 5e – “current” data standard, up to 100 MB and less than 328 feet / up to 1 GB and less than 290 feet • Category 6 – “new” data standard, up to 10 GB and longer runs

  6. Hubs / Switches Which is better / faster? • Hubs – provide a “shared” environment (one traffic light at an intersection of 4 lanes): 10 ports that share 100 MB each port will get 10 MB • 10 ports each will get their own 100 MB • Switches – provide a “switched” environment (visualize “stacking” of four lanes on top of each other, each with their own traffic light):

  7. “Plumbing” on Network Drawings (Test) Which one is it?

  8. Virtual Private Network – what is it? • A private network (your LAN) that • uses a public network (the Internet) • to share resources • Most common approach – VPN client • software on your home computer / laptop • that connects to your office firewall device • Allows you to gain access to the same computer resources from home / remote location that you would have as if you were sitting in your office

  9. Virtual Private Network – what it looks like?

  10. The Internet – what is it? • Largest network of computer resources available • Every resource has a mailing address (IP address: 192.168.1.1) • Numbers too hard to remember – use English names (LCGTech.com = 63.85.252.55) • Servers (domain name) provide the • lookup of names to IP addresses all • over the world so that traffic is routed • to the correct “physical” server

  11. Network Resources • Firewall (protection device between an internal “safe” network domain and an “untrusted” or “unsafe” network domain – Internet) • Server (high-end computer – file sharing, application, database, web, e-mail, network security access, backup responsibilities, logging and auditing, etc.) • Printer (standalone, directly on the • network, connected to a server or • workstation and “shared” for other • computers to use)

  12. Firewall Specifications • Separate hardware device (versus software only) • License for number of “nodes” or computers • behind the firewall that need access through • the firewall • Virtual private network (VPN) capability • Filtering capability – allows you to turn off access to certain Internet resources (websites, etc.) for each internal computer / node • Anti-virus capability (can scan the traffic as it goes through your firewall, before it gets to your computer)

  13. Servers (types) • Primary functions in a small network (“file server”) • File, small application, print, security and backup • If needed, other dedicated functions include: • Application (accounting, etc.) • Database (SQL Server, Oracle, etc.) • Web & E-mail (more cost effective to • look to a hosting company for these • services)

  14. Server Definitions • CPU – central processing unit, brains of the computer • OS – operating system, provides the interface between us and the computer / server components • RAID – Redundant Array of Independent Disks, provides redundancy levels (0  5) for hard drive configurations (mirrored to data striping) • IDE/ATA – integrated drive electronics / AT Attachment, less expensive and allows up to 100 MB / second transfer rates (workstation drives) • UltraSCSI – Ultra fast small computer systems interface, more expensive and allows up to 320+ MB / second transfer rates (server data drives)

  15. Server Specifications (minimum preferred) • CPU – the faster the better • (XEON – server, Pentium4 • – workstation) • Memory – we all would like more • (minimum 512 MB) • OS – Microsoft Windows 2000 Server • Hard drives – two types preferred • Boot drives for the OS (two – IDE, RAID 1) • Data drives (UltraSCSI, RAID 1 or 5) • Tape drive – required for backing up data, design a tape rotation scheme for catastrophic failure or accidental failures • Redundancies – power supplies, network cards, etc.

  16. Putting “IT” All Together

  17. Application Architecture (Types) Standalone Application Networked Application

  18. Networked Application (LAN deployment)

  19. Networked Application (WAN deployment #1)

  20. Networked Application (WAN deployment #2)

  21. Networked Application (Web deployment #1)

  22. Networked Application (Web deployment #2)

  23. Networking & HIPAA Security (2 years out) • Physical: building, data, workstation use, • security awareness, data disposal, • equipment control, facility, etc. • Technical: audit controls, role-based & • user-based access, transaction security, • data and system integrity, encryption, authentication, data backup plan, disaster recovery plan, testing, etc. • Administrative: Policies, procedures, training, security management, personnel security, contingency planning, chain of trust partner agreements, emergency operations, etc.

  24. Support Requirements • Break / Fix & Basic Setup • (PCs, printers, Windows – • A+ Certified) • Server Systems Configuration • (firewall, server, database, web • hosting – MCSE, MCBDA, • firewall trained, MCP-I / MCSE-I) • Business Applications (Specialized skills / knowledge for CAREWare, accounting, etc. – direct from vendor)

  25. Questions

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