2. There is a lot to talk about if we think of the advantages of a wireless connection, the most important of its aspects is mobility and everything that comes with it are issues associated with different considerations. Also, wired connections traditional ways have advantages and disadvantages. So if you are want to connect public or private organization to the internet what you choose?

3.  1) Speed Consideration: Wired networks speed range a high- speed arrive over 100 Mbps and low-speed 1 Mbps. Within transmit media, higher speed means to the organizations higher cost, and when organizations need to transmit higher data rates will require more expensive infrastructure.  Speed in wired networks measured by a) Response time b) Aggregate data rate. c) Distance

4.  Response Time: The time a generic system or functional unit takes to react to a given input  Aggregate data rate: Is amount of data that must be transferred per unit of time, including Multimedia applications.  Distance: Every wired network has a maximum distance that can cover, the distance is the longest length of conducted medium.

5.  Wireless networks become quickly popular. Mobile people can access high –speed internets in every where but according to generations, now wireless stations have atop speed of 54Mbps. Speed in wireless networks according to: a) Wireless media b) Wireless devices

6.  Wireless Media 1.Infrared 2.Microwaves 3.Radio waves  Wireless Devices 1.Smart phones 2.PDAs

7.  2) Performance Considerations: Performance is an indicator of how a productive user’s connectivity will be In Wireless networks the key performance element is wireless Environment. To specify performance it is important to define Throughput, and it is define the speed at which the data can transmitted.

8.  Key factors affecting throughput and ranges: 1. Interference In wireless network there exist some devices occupy the same frequency (Ex. Microwave), but this interference does not exit in wired networks. 2. Network Load It measures by - Number of users - Traffic mix

9. 3. Location Factors the distance between Access point and client, and the location of antenna (Wireless network). The length of the medium(cable) and their location (Wired Network) 4. System Design - Receiver sensitivity - Transmit power - Turn around time (Wired network)

10.  3) Security Considerations: For any wired network connected to the Internet, firewalls are the primary security consideration., firewall software products like can be installed on the computers themselves. Broadband routers offer equivalent firewall capability built into the device, configurable through its own software. So hackers or enemy don’t have the ability to inject data on the network.

11. In the other hand wireless networks are less secure than wired, because wireless communication signals travel through the air and can easily be intercepted. To prove their point, some engineers have promoted the practice of wardriving, that involves traveling through a residential area with Wi-Fi equipment scanning the airwaves for unprotected WLANs. On balance, though, the weaknesses of wireless security are more theoretical than practical..

12.  Authentication and privacy of data are the key component of security to prevent unauthorized users from accessing the network and view or destroy important information. WLANs protect their data through the Wired Equivalent Privacy (WEP) encryption standard, that makes wireless communications reasonably as safe as wired ones in homes

13.  4) Cost Considerations: To calculate the total cost of wired network involve several elements including Ethernet cables, hubs and switches are very inexpensive. Some connection sharing software packages, like ICS, are free; some cost a nominal fee. Broadband routers cost more, but these are optional components of a wired network, and their higher cost is offset by the benefit of easier installation and built-in security features.

14.  Wireless gear costs somewhat more than the equivalent wired Ethernet products. At full retail prices, wireless adapters and access points may cost three or four times as much as Ethernet cable adapters and hubs/switches, respectively. 802.11b products have dropped in price considerably with the release of 802.11g.  Other cost factors include product quality, reliability, ease of use and availability. also weather technology migration path.

15.  5) Reliability Consideration: Ethernet cables, hubs and switches are extremely reliable, mainly because manufacturers have been continually improving Ethernet technology over several decades. Loose cables likely remain the single most common and annoying source of failure in a wired network. Broadband routers have also suffered from some reliability problems in the past. Unlike other Ethernet gear, these products are relatively new, multi-function devices. Broadband routers have matured over the past several years and their reliability has improved greatly.

16.  Wireless Networks suffer a few more reliability problems than wired networks, though perhaps not enough to be a significant concern. 802.11b and 802.11g wireless signals are subject to interference from other home appliances including microwave ovens, cordless telephones, and garage door openers. With careful installation, the likelihood of interference can be minimized. Wireless networking products, particularly those that implement 802.11g, are comparatively new. As with any new technology, expect it will take time for these products to mature.

17.  6) Mobility (Flexibility) As employee or entire department move from desk to desk or building to building in wired networks, wireless networks can accomplish the change more efficiently. And, accessing to key information to an one in the organization staff, from any where in the office.