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Digital Transmission Lecture o5 Advanced Computer Networks (ACN) 545

Mr. Thilak de Silva. BSc. Eng., MSc, CEng, FIE(SL), FIET(UK), CITP(UK), MBCS(UK), MIEEE (USA). Digital Transmission Lecture o5 Advanced Computer Networks (ACN) 545. Today's Agenda. A brainstorming session Concept Paper. Session Outcomes.

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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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