Some company staff members will require after hour access to systems at office and the Internet for research projects. The company needs to purchase broadband facility for staff members' home offices. Your task is to perform a comparative assessment of ADSL2+ equipment versus cable modem equipment to determine which offers better capability. The intention of this exercise is to understand technical specification of two different types of routers and know their comparative advantages and limitations. Select one ADSL2+ modem/router and one cable modem/router available in the market and perform the following comparisons in a tabular format. Brief explanation of each type Advantages of each Disadvantage of each Is one better used in a particular environment, ie distance, large number of users connected, etc?
Some company staff members will require after hour access to systems at office and the Internet for research projects. The company needs to purchase broadband facility for staff members' home offices. Your task is to perform a comparative assessment of ADSL2+ equipment versus cable modem equipment to determine which offers better capability. The intention of this exercise is to understand technical specification of two different types of routers and know their comparative advantages and limitations. Select one ADSL2+ modem/router and one cable modem/router available in the market and perform the following comparisons in a tabular format.
- Brief explanation of each type
- Advantages of each
- Disadvantage of each
- Is one better used in a particular environment, ie distance, large number of users connected, etc?
ADSL2+ modem-router and Cable modem
1.ADSL2+ modem-router: ADSL technology is known as asymmetric digital subscriber line, which is a family of xDSL modem technologies, and this technology uses twisted-pair telephone lines to transform high-bandwidth data (Latal et al., 2019). This adsl technology connects the service provider's network as well as the customer site through a network loop between the customer site and the service provider.
1.Cable modem: A cable modem is one of the hardware devices that connect to a computer and an Internet service provider through local cable TV (Hu et al., 2020). There are two interfaces, one is the outlet of the TV cable network and the other is the computer or TV set-up box.
2. ADSL2+ modem-router: Efficiency adsl has better efficiency for its four-dimensional input, one-bit quadrature amplitude modulation amplitude modulation and sixteen trellis coding. Here, the signal-to-noise ratio is the ratio at which long lines are provided with high data rates.
2. Cable modem: The type of digital modulation scheme used by cable modems to transmit data downstream consists of 64 state quadrature amplitude modulation. In upstream transmission, a common digital modulation scheme is known as differential phase shift quadrature keying.
3. ADSL2+ modem-router: ADSL2+ combines 4 x 512 KHz telephone band modulation methods to provide download speeds of 24 Mbps. Here the upload speed is only 1 Mbps. Error rate, throughput and noise ratio are also related.
3. Cable modem: Cable modems get Mbps throughput. In the highest bit rate channel coding was used to reduce the transmission error. Various coding schemes are used to compress data into bits, to increase the information rate without increasing the bit rate.
4. ADSL2+ modem-router: ADSL2+ modem-router: An error correction method or error correction method adds bit parity data to messages. The receiver then reads these bits and determines the error during transmission. The receiver then checks for an error.
4. Cable modem: here the data is split into byte-sized blocks and sent to the modem, then each block error is checked, resulting in either a negative or a positive depending on the protocols.
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