Question No.1: Why do we need protocols in computer networks? Discuss in your ow

Question

Question No.1:                                                                                                                         Why do we need protocols in computer networks? Discuss in your ownwords. Question No.2:                                                                                                                         In internet IP Version 4 is going to be replaced by IP Version 6,discuss the major factor behind this change.

Question No.1:                                                                                                                         Why do we need protocols in computer networks? Discuss in your ownwords. Question No.2:                                                                                                                         In internet IP Version 4 is going to be replaced by IP Version 6,discuss the major factor behind this change.

Explanation / Answer

Q1) A Network Protocol defines rules and conventions forcommunication between network devices. Protocols for computernetworking all generally use packet switching techniques to sendand receive messages in the form of packet. Some protocols also support message acknowledgement and datacompression designed for reliable or high-performance networkcommunication. Hundreds of different computer network protocolshave been developed each designed for specific purposes andenvironments.
You need protocols in computer networks because computer networksconsist of devices and software made by many different vendors. Theonly way to ensure compatibility among them all is to have commondocuments that describe the mechanics and formats of all thedata exchanged over the network. Network protocols include mechanisms for devices toidentify and make connections with each other, as well asformatting rules that specify how data is packaged into messagessent and received. Network protocols include mechanisms for devices toidentify and make connections with each other, as well asformatting rules that specify how data is packaged into messagessent and received.
Q2) Yes, internet IP version 4 is replaced by IP Version 6.Becuasethe major factors are ,IPv6 is provides much more addressspace. Being a more recent protocol, IPv6 does have a few designimprovements over IPv4, particularly in the areas of autoconfiguration, mobility, and extensibility. However, increasedaddress space is the main benefit of IPv6. IPv6 has better security, because the IPSec securityframe-work is mandatory in IPv6, while it is optional inIPv4 and plug-and-play capabilities have beenimproved.There are improvements with Quality of Service because ofan additional flow label in the IPv6 header. ITS HELPFUL TO YOU....... ITS HELPFUL TO YOU.......

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