“The Internet” Please respond to the following
1. IPv6 is an updated version of IPv4 that has been around for a number of years. From the first e-Activity, examine the major difficulties that users have encountered throughout IPv6’s widespread acceptance and implementation. Recommend two (2) possible solutions for the difficulties that users have encountered in IPv6’s widespread implementation. Justify your response.
2. From the second e-Activity, examine the major pros and cons of a DSL and a cable Internet connection. Compare DSL and cable Internet connections based on availability, consistent high speed, reliability, security, and price. Determine the Internet connection you prefer. Provide a rationale for your response.
IP6 and DSL: A review of Literature
Internet protocol or IP is basically an example of connectionless protocol, in connectionless protocol the sender of the message doesn’t need to verify the existence of the recipient’s or doesn’t need to ask for the permission of the sender of the message before the data is sent. Thus, the end node sends the Internet protocol datagram to the gateway and thus assumes that the way to the recipient would be easily detected. IPv6 called as Internet Protocol version 6 is an update version of the IPv4 and its main function is to address the number of real and various problems that have been perceived with the IPv4 protocol and includes limited number of the addresses of nodes and improved support for the multicasting and multimedia data.
DHCPv6 structures two modes. In repetition, of first mode, stateless DHCPv6 is the top layer on auto configuration mechanism (SLAAC). This is castoff to offer recursive DNS addresses of the server. It uses two special flags: M – managed, O – other. These flags are used to tell the client that DHCPv6 server is required for detailed information which is associated to connection parameters. When M flag is used, state-full DHCPv6 is deployed. But when O flag is used, SLAAC is joint with stateless DHCPv6. The durable binding among SLAAC and DHCPv6 will lead to many problems. (Deering, 1998)
By Using DHCPv6, there are different results as compare to DHCPv4 server. DHCPv6 never use any MAC address for the identification of client; it uses a DUID (DHCP Unique Identifier) for the identification of client. This is used to release the clients from hardware and network interface dependency. By doing so, any change of a network adapter will show that the user is continuously obtaining similar IPv6 address.
DUID is employed by the use of specific software, so, it has stability issues. When the client is having two operating systems, then, each operating system would have separate DUID. If uses try to change the DUID, then, it leads reinstallation of operating system. If clones OS image is used by user then same DUID is used by all clone OS. The solution to this problem is that existing systems should be extended for management of addresses, so that, DUIDs are supported. The other way is that MAC addresses which are specified in RFC 6221 are used.
DSL stands for digital subscriber line. The already present telephone lines are used for the services of internet. Even phone lines are used for internet connection; user can use his/her phone to make voice calls. (Sundaresan, Feamster and Teixeira, 2011). The competition to the digital subscriber line is cable broadband. The main advantages of DSL are as given below:
The main disadvantages of DSL are as given below:
The cable internet service is the most popular internet service in the modern era. A co-axial cable is used to provide internet services. . The main advantages of cable internet are as given below:
The main disadvantages of cable internet are as given below:
As the user is using internet service for home base, So, DSL services are preferred by user. Home based network requires internet connection or internet services via the DSL or Digital Subscriber line as it uses high frequency of the digital signals over the existing voice copper phone lines so as to carry the data directly from the company of phone switching station to the residential homes.
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