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Digital Transmission Lecture o5 Advanced Computer Networks (ACN) 545

Learn the essentials of creating a network for a new company, including budgeting, vendor selection, security, and more.

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Digital Transmission Lecture o5 Advanced Computer Networks (ACN) 545

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  1. Mr. Thilak de Silva. BSc. Eng., MSc, CEng, FIE(SL), FIET(UK), CITP(UK), MBCS(UK), MIEEE (USA) Digital TransmissionLecture o5Advanced Computer Networks (ACN) 545 M.Sc. in IT - Year 1 Semester II - 2012

  2. Today's Agenda • A brainstorming session • Concept Paper M.Sc. in IT - Year 1 Semester II - 2012

  3. Session Outcomes • At the end of this session you will understand the requirements of setting up a Network for a new company, budgeting and creation of Concept Paper. M.Sc. in IT - Year 1 Semester II - 2012

  4. What to consider when developing a new Network ? - Brainstorming • Analyze the requirements of the company. • Allocated budget. • Geographical locations of the network. • Technical capabilities of the staff of the company. • Number of sub-networks • Security of the Network M.Sc. in IT - Year 1 Semester II - 2012

  5. What to consider when developing a new Network ? - Brainstorming • Selection of the venders and service providers. • Type of data/information transported through the network. • Bandwidth Requirements. • Type of organization - academic/commercial • Routing Protocols used. • Company's future plans. M.Sc. in IT - Year 1 Semester II - 2012

  6. What to consider when developing a new Network ? - Brainstorming • IPV4 or IPV6 • Is VPN required? • Centralized or De-Centralized? • What is the Back-up plan? • Required time line. M.Sc. in IT - Year 1 Semester II - 2012

  7. Preparing the concept paper • Step 1 : Identify automation areas. Web portal , E-mail Other applications Billing, Inventory control, HR, Finance, VOIP, vedio conferencing or ERP M.Sc. in IT - Year 1 Semester II - 2012

  8. Preparing the concept paper • Step 2 : Physical locations to be networked WAN , LAN For example identify, • Switches for each floor of the building • Fiber connections • Structured caballing • L3 switches for VLANs Source : http://www.google.lk/search?hl=en&gbv=2&tbm=isch&sa=X&ei=podET5OuLo-srAfihqHTDw&ved=0CDoQBSgA&q=Lan,+Wan+setup&spell=1&biw=1366&bih=673 M.Sc. in IT - Year 1 Semester II - 2012

  9. Preparing the concept paper • Step 3 : Can connect other existing systems For example identify, • Number of users per application • Step 4 : Methodology of maintaining the network – Network Management System M.Sc. in IT - Year 1 Semester II - 2012

  10. Preparing the concept paper • Step 5 : Draw Network diagram • For Example, • Identify number of buildings and number of floors per each location. Example :- An organization has, Headquarters with 4 buildings and 5 floors each Provincial offices. Branches Regional officers Remote officers Customer service points. Different number of buildings and floors M.Sc. in IT - Year 1 Semester II - 2012

  11. Preparing the concept paper Example :- Headquarters has, • For each level get a generic model, because finding buildings, floors and users in every office is time consuming. M.Sc. in IT - Year 1 Semester II - 2012

  12. Preparing the concept paper • Step 6 : List the physical devices For example identify, • 24 port L2 switches, L3 switches • Router per center • Firewall • Servers for web portal , e-mail • DNS server, DHCP server • Virus guard server • Network management server M.Sc. in IT - Year 1 Semester II - 2012

  13. Preparing the concept paper • Step 6 : List the physical devices For example identify, • 24 port L2 switches, L3 switches • Router per center • Firewall • Servers for web portal , e-mail • DNS server, DHCP server • Virus guard server • Network management server M.Sc. in IT - Year 1 Semester II - 2012

  14. Preparing the concept paper • Step 7 : Caballing Structured caballing per floor • Step 8 : Identify software requirements Eg:- Software for servers, ITIL software • Step 9 : WAN connectivity • Step 10 : Identify operational cost Eg :- Software license cost Maintenance cost WAN fee M.Sc. in IT - Year 1 Semester II - 2012

  15. Preparing the concept paper • By taking these into consideration we prepare the budget. • Using it we prepare the concept paper. • We can present the cost phase wise. M.Sc. in IT - Year 1 Semester II - 2012

  16. Thank You… M.Sc. in IT - Year 1 Semester II - 2012

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