Question

Compare ATM (Asynchronous Transfer Mode) and ETHERNET on the following aspects:

• Bandwidth
• Scalability
• Interoperability
• Quality of Service

Answer 1

Answer:

Comparison of ATM and ETHERNET:

1. Bandwidth: Previously, ATM is expected to allow true broadband networking for the future. Today, we know that Ethernet is still a hot technology of LAN (Local Area Network). Ethernet have brought more bandwidth to the network technology.

2. Scalability: ATM uses both WAN (Wide Area Network) and LAN (Local Area Network technologies, but ATM is more fit with WAN. However, Ethernet is based mainly on LAN. In the future, Ethernet may use WAN as well.

3. Interoperability: Gigabit Ethernet is version of Ethernet, the technology delivers data with speed of 1000 Mbps with fiber-optic cables. However, the operation concept of LAN in Ethernet will not be changed. Moreover, ATM LANE has been developed in order to be properly pursued in old LAN, and easily operated on the desktop. Thus, LAN interoperates with ATM technology.

4. Quality of Service: ATM is the top network system to transport data, voice and video until now, thus quality of service is the best. Compared to Ethernet, increasing the speed (bandwidth) of Ethernet could be mean as increasing quality of service.

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