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Location and Layout of the Technical Infrastructure at the IIIT Allahabad

MBA/MS Orientation Program 17.07.2007. Location and Layout of the Technical Infrastructure at the IIIT Allahabad. Mithilesh Kr. Mishra for INDEM - IIITA (IIITA Network Development, Engineering and Management). Objective. Familiarize with the technical infrastructure, setup

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Location and Layout of the Technical Infrastructure at the IIIT Allahabad

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  1. MBA/MS Orientation Program 17.07.2007 Location and Layout of the Technical Infrastructure at the IIIT Allahabad Mithilesh Kr. Mishra for INDEM - IIITA (IIITA Network Development, Engineering and Management)

  2. Objective • Familiarize with the technical infrastructure, setup • Clarify the basic fundamentals and demonstrate the simplicity and usefulness of services • Outline the importance and availability of resources, your role and expectations from you • Generate interest to increase efficiency in order to ensure the optimum use of technical resources • Equip to handle day-to-day basic technical problems • Motivate you all to increase your skills on computer and be part of resource management team • Realize the importance of IT in IIITA

  3. Constituents of Tech-Infrastructure • Hardware • Computers • Servers • Peripheral Devices • Software • Operating Systems (System Software) • Packages (Application Software) • Network • Topology (layout) • Devices (functional) • Services (operational)

  4. Hardware - Computers • 1200 + (70% assembled) • P-IV 2.0 – 3.4 GHz • 512 MB – 1 GB RAM • 80 - 160 GB HDD (ATA, SATA, SCSI) • CDR/RW, DVDR/RW/smart media drives • 17”, 19”, 21” TFT/CRT color monitors • INTEL main board (with onboard ports) • Internet/multimedia ready • Maintenance friendly

  5. Hardware - Servers • 55 + (branded as well as assembled) • P-IV 1.6 – 3.0 GHz (dual Xeon Processor) • 2 – 4 GB RAM (DDR2) • 18 - 36 & 80 GB Hot swap 10/15K SCSI HDD • Onboard Gigabit LAN Interface (dual) • 15”/17” CRT/TFT color monitor • INTEL main board (with onboard ports) • Remote administration over network • Learning (R & D) friendly

  6. Hardware - Peripheral Devices • Printers(approx. 100) • LaserJet, Inkjet (color), Dot Matrix • Scanners, Media Convertors, Connectors • External Storage Units • Web/Video Cameras • Audio/Video Mixer • Sensors, Speakers, MODEM • NAS – 8 TB with RAID 0 • IP-SAN – 8 TB with RAID 6

  7. Software Packages • All OS from Microsoft (Windows family) • Linux (SuSE, Redhat, Fedora, Debian etc.) • Solaris, Mac OS X • All software products from Microsoft • Oracle Database/Development tools • Mathematica, Statistica, Matlab, C/C++ • Simulation Packages (Katia, IGRIP, SimLink, Synopsys, Cadence etc.) • Other Freeware tools

  8. Network Layout • Topology – Hybrid (Star + Bus) (OFC route) • Backbone (Implementation Layout) • 6/12/24 core OFC (single mode) • Gigabit bandwidth • Redundant lines • Network – B Class (easy to scale) • Indoor Cabling – Structured Ethernet (CAT5) • Subnets – 11 (logical sub grouping of network) • IP Addressing – Static & Local (172.16-31.n.n) • Domain Names – iiita.ac.in, rgiit.ac.in, iiita.net

  9. Network Services • DNS (Domain Name Service), Gateway • Firewall & Proxy (protection & sharing) • Integrated Central Authentication (LDAP) • WWW (www.iiita.ac.in, website.iiita.ac.in) • Mail, Webmail & News (to be setup) • Student Forum (IIITA chit-chat) • Software Repository (myftp.iiita.ac.in) • Profile Webpage (50 MB online space) • FAQ (indem.iiita.ac.in)

  10. For IIITA Students During study at IIITA, students enjoy • Internet Access: 24-hours Internet facility via 50 Mbps (1:4) from BSNL, 1 Mbps (1:1) from ERNET • Mail account: 500 MB Mailbox, 15 MB attachment, alias, mail forwarding etc. mail.iiita.ac.in • Web Profile: 50 MB Web space for hosting your own websites/profiles at profile.iiita.ac.in/mail-id • MyIIITA: Birthday Reminders, Circulars, etc. through Institute website at www.iiita.ac.in • IIITA Forum: Reunion portal for students/alumnae at forum.iiita.ac.in • Download: Request based service, archive

  11. IntranetConnectivity Server Room Internet Router BB Switch OFC CC1 LT GW GW MS Lab MBA Lab

  12. MBA LAB • VLAN 25 • IP Range 172.25.2.24-72 & 73-110 • Gateway 172.25.2.1, DNS 172.31.1.30 router INTERNET INDEMICA MBA LAB Backbone Switch

  13. Internet Termination • Leased Line (circuit termination) • 50 Mbps from BSNL (over fiber) • 1 MBPS from ERNET (over copper) • MODEM & Media Converter (terminator) • Router (CISCO 3600/1700 & DLink DI-2630) • IP Range (210.212.48.1-62) • DNS IP (210.212.48.30 & 210.212.48.62) • Subnet Mask 255.255.255.192 • Gateway 210.212.48.1 • Round the clock Internet service at Campus LAN

  14. Network Switches • CISCO 4000 Back Bone Switch (Layer 3) • Manageable for packet routing and forwarding • 12 Fiber ports (Gigabit) • 24 Ethernet ports (Gigabit) • Configured for 12 Virtual LANs on each Fiber ports • Routing enabled amongst VLANs • VLAN Traffic monitoring and controlling • CISCO 2950 Distribution Switch (Layer 2) • Manageable for packet forwarding • 2 Fiber ports (Gigabit) • 24 Ethernet ports (Gigabits) • DLink 1024R+ (Local switch) • Unmanageable (auto management) • 24 Ethernet ports (10/100 Mbps)

  15. Virtual LANs • Logical partitioning of LAN • 172.16-31.n.n • E.g. 172.18.1.2., 172.31.1.22 • 172.16-31.1.1 gateway to VLANs • 172.16-31.1.2 gateway to building LAN • IP Range – 172.16-31.n.11-55 (may vary) • Netmask – 255.255.255.192 • DNS – 172.31.1.30 & 172.31.1.62 • Fly-over for Internet at CC1 and CC2 • Central Firewall at Server Room

  16. Server Room • Central - in Lecture Theater • Internet/Intranet/Intercom termination (CLAN) • Internet/Intranet service hosting • Central firewall, authentication & file storage • Traffic monitoring and bandwidth management • Proxy authenticated Internet service • Web sites and mail service • Software repository • Regional - Local at each building • Building LAN (BLAN) termination • Internet/Intranet service hosting • Fly-over (Firewall+Gateway+Proxy) at CC1 & CC2 • Intercom service (Telephone exchange) • Managed by STUDENTS (INDEM)

  17. Network Configuration • Computer Name (e.g. cc10210) • Domain Name (iiita.ac.in) • IP Address (must be in valid range) • Subnet Mask (255.255.255.192) • Gateway (172.n.1.1) (n = 16 to 31) • Primary DNS (172.31.1.30 or 172.31.1.62) • Secondary DNS (202.54.15.1) • WINS (nothing) • Computer name must be set

  18. Basic Network Troubleshooting • Status of NIC and patch cord • Proxy setting • Auto script (http://www.iiita.ac.in/proxy.pac) • IP address and port number (172.31.1.4:8080) • Gateway/DNS/host checking • PING (ping 172.25.1.1) • TRACEROUTE (tracert www.iiita.ac.in)) • NSLOOKUP (nslookup www.google.co.in) • NET commands (net share) • Status of switch port (green-100,orange-10Mbps) • Enable/disable LAN connection • Network utilization (using task manager)

  19. IIITA WEBSITE www.iiita.ac.in • Architecture, Design, Themes • Photo Gallery • MyIIITA • Birthday reminder • New mail reminder • Faculty/Students Profiles • Other Websites (programs, projects, events) • Telephone Directory • TriNetra (Live/On demand Video Streaming) • Student Forum • Previous versions (archive of x-versions)

  20. IIITA Mail user-id@iiita.ac.in • 250/500 MB inbox size (as per need) • Central authentication (single user-id/password) • IMAP/POP3 enabled, mail client configuration • Address search, Mail Archiving • Display settings and quota monitoring • Spam filtering, spell checker • Mail buffer for redundancy • Mailing list, Attachment size 15 MB • Avoid misuse of IIITA mail account • How to configure mail client (outlook)

  21. PC Management • Hard disk partitioning • Operating System (main software) • File system, Plug & play devices • Virtual RAM, Video RAM • Registry database size (for Windows) • Swap partition (for Linux) • Control Panel, Regional settings • Program Installation/Uninstallation • Network configuration and Firewall • Computer naming (xyz.iiita.ac.in) • Foreground and Background services • Process/Performance monitoring

  22. Electronic File Management • Separate file/data partition (multiple) • NTFS file system (secure) • Restoration from Recycle bin • Folders by name of physical files • Single document on single topic • Max. 30-40 pages in a single file • – (hyphen) separated file/folder names • Check the last accessed date before opening the file • File/folder list views customization

  23. Anti Virus • Software versions do not matter • Virus definition files should be up to date • Auto updation of virus definition is possible • Scheduled scanning and monitoring • Avoid use of external storage media • Central solution is also available (clients) • Single solution is enough • Fix-tools for worms are available online for downloads

  24. Performance Tuning • Disc scanning, Defragmentation • Virtual memory on multiple partitions • Portable registry database (regular watch) • Remove TEMPORARY files (must) • Proper un-installation of software (must) • Avoid installation of online software tools (e.g. musical desktop, fancy watch etc.) • Proper shutdown of programs as well as system (must) • Remote desktop is handy but slow (avoid)

  25. INDEM – Role • In-house experimentation, implementation, maintenance the network resources • Competent guidance & faith of authorities • Students volunteer as active member • High-tech implementations (open source) • Reliable and secure Internet/Intranet services round the clock • Technical challenge rather than problem • Innovative and learning environment • User/Management friendliness, IIITA flavor

  26. Precautions • Each and every activity is under close monitoring • Log files are generated at servers for critical and unhealthy activities (auto feature) • IP addresses and Login accounts are traceable • Official withdrawal of technical services and/or punishment for wrong practices over LAN • Appreciation for reporting on system’s bug/flaw • Download, chatting are discouraged in Labs • Innovative ideas, algorithms are solicited • Help line – indem@iiita.ac.in

  27. The End Thanks… Happy Computing at IIITA Doubts/Query ?..

  28. Demos • Desktop (wallpaper, screen saver, display settings, refresh rate, shortcuts etc.) • My computer (manage, property, devices, services, session, share etc.) • Windows Explorer (file view, options, file association etc.) • Task manager (processes, resource utilization and optimization) • Control panel, Registry, Remote Desktop • Help from system and search engines (GOOGLE)

  29. Network Classes IP Address Class Network and Host Capacities

  30. OFC Routes

  31. Network Connectivity Back

  32. Internet Termination Back

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