“You Decide”: The Charter School LAN Upgrade Proposal
REQUIREMENTS
A plan to optimize and upgrade the Leonard Cooper network must first solve the current state of affairs. The results of interviews with four stakeholders reveal that:
1) the existing network gets very congested, collisions proliferate, and throughput slows down when teachers simultaneously report on attendance and check on email;
2) 50 networked printers still get all filled up;
3) existing network bandwidth is 10 Mb; 4) the HVAC technician thinks it would be really convenient to have wireless access points;
5) all 23 classrooms in the new wing need to be added to the network; 6) slow connections to the distant mail server;
7) desiring to integrate VoIP into the current data network; and,
8) the old- and new-wing backbone switches, just 120 meters apart, are linked by slow twisted-pair wiring.
ASSUMPTIONS:
1.printer sevrver
2.43 students for a classroom
3.faculty or admin room
4.server room
5.hvac room
6.for 2 students there will be one PC
Network Diagram:

A. SOLUTIONS
The most dire issue that needs altering is the current system limit that stands at only 10 Mb. The favored arrangement here is Category 6 UTP 1000Base F Ethernet cabling in light of the fact that it expands most extreme information (exchange) rate a hundredfold, from 10 Mb to 1 gigabyte for each second. Such transfer speed addresses the yearning of the HVAC specialist for remote access to his gadgets. All the more vitally, such an exchange rate clears up the blockage experienced when the seven organized classrooms at the same time send participation records and get to individual messages at a young hour in the morning. Also, 23 more classrooms should be added to the system. The ideals of a fiber optic spine, at last, is that the remote position of the mail server gets to be unessential. The ideal arrangement ought to make procurements for collecting every one of the servers (counting the printer servers, see underneath) for simplicity of diagnostics and upkeep.

Running with Ethernet cabling will, with the implicit Carrier Sense Multiple Access with Collision Detection (CSMA/CD) dispute based media access control system, help lessen the issue of impacts. The CD method of appointing every system interface card (on the desktop PCs) an arbitrary time interim before endeavoring to re-transmit on the system should minimize crashes to a number that turns out to be practically imperceptible to clients.

To oblige future extension, the spine for the enhanced system ought to (as demonstrated above) be fiber optic. This grants space for adding VoIP to network administrations and overrides the issue of clog when the new-wing spine switch is turned on. Redesigning system cabling likewise dispenses with the separation's issue to the old-wing spine switch being too far (at 120 meters) for the moderate turned pair wiring as of now set up.

Better system arranging is required. For one, the authoritative staff is obviously representing a large portion of the over-burdening the 50 arranged printers are subjected to. Henceforth, the first phase of making the server homestead is to introduce a committed printer server keeping in mind the end goal to get out the restricted lines accessible on printers. Next, no less than four 24-port centers will be expected to connect the printer server to the current printers under the Ethernet transport topology and new printers that may be situated in the new wing. This involves two center points found some place between the Administration workplaces and the server ranch where the printer server is and two more arranged right adjacent to the new-wing spine switch.

Physical arranging must make procurement for:

1. At slightest two more 24-port switches adjacent to the new-wing spine switch with a specific end goal to oblige the 23 new classrooms.

2. Putting in no less than one more exchanged 100Base-T nearby the area bound for the principle server ranch. Provisioning for present needs alone means server room should as of now house the printer server, the web access and firewall server, the managerial information server, the understudy information server, and a system administrator server that will likewise perform reinforcements to a remote area.

3. It is further suggested that the spine and LAN wiring went through the roof and be available for adjusting basically through the switches housed in bolted storerooms.

4. Installing remote access focuses all over the place where observable pathway is softened up reckoning of more remote prepared gadgets coming into utilization in future. Given the present transfer speeds of 802.11n (paces in overabundance of 300 Mbps) and 4G versatile innovation (12 Mbps or better), the adaptability of adding remote to the school system means being readied to move up to 40-or 100-GBE in future. Subsequently, double or separate ducting for a remote just spine ought to as of now be laid into make the Leonard Cooper system "future-verification".