Computer Science, asked by bhavna4569, 1 year ago

Why it is not better to change and end address from source to destination?

Answers

Answered by Chetna111111111
1
Heya,
Here's the answer:--
The end-to-end principle is a design framework in computer networking. Innetworks designed according to this principle, application-specific features reside in the communicating end nodes of the network, rather than in intermediary nodes, such asgateways and routers, that exist to establish the network.

The essence of what would later be called the end-to-end principle was contained in the work of Paul Baran and Donald Davies onpacket-switched networks in the 1960s. Louis Pouzin pioneered the use of the end-to-end strategy in the CYCLADES network in the 1970s.[1] The principle was first articulated explicitly in 1981 by Saltzer, Reed, andClark.[2][nb 1] The meaning of the end-to-end principle has been continuously reinterpreted ever since its initial articulation. Also, noteworthy formulations of the end-to-end principle can be found prior to the seminal 1981 Saltzer, Reed, and Clark paper.[3]

A basic premise of the principle is that the payoffs from adding features to a simple network quickly diminish, especially in cases in which the end hosts have to implement those functions only for reasons of conformance, i.e. completeness and correctness based on a specification.[nb 2]Implementing a specific function incurs some resource penalties regardless of whether the function is used or not, and implementing a specific function in the network distributes these penalties among all clients.

The end-to-end principle is closely related, and sometimes seen as a direct precursor to the principle of net neutrality.[5]

Hope it helps.
Answered by avanesh10017
0
An IP address (internet protocol address) is a numerical representation that uniquely identifies a specific interface on the network. Addresses in IPv4 are 32-bits long. This allows for a maximum of 4,294,967,296 (232) unique addresses. Addresses in IPv6 are 128-bits, which allows for 3.4 x 1038 (2128) unique addresses.



The total usable address pool of both versions is reduced by various reserved addresses and other considerations.

IP addresses are binary numbers but are typically expressed in decimal form (IPv4) or hexadecimal form (IPv6) to make reading and using them easier for humans.

IP stands for Internet Protocol and describes a set of standards and requirements for creating and transmitting data packets, or datagrams, across networks. The Internet Protocol (IP) is part of the Internet layer of the Internet protocol suite. In the OSI model, IP would be considered part of the network layer. IP is traditionally used in conjunction with a higher-level protocol, most notably TCP. The IP standard is governed by RFC 791.

The Internet Protocol (IP)

How IP Works

IP is designed to work over a dynamic network. This means that IP must work without a central directory or monitor, and that it cannot rely upon specific links or nodes existing. IP is a connectionless protocol that is datagram-oriented., so each packet must contain the source IP address , destination IP address, and other data in the header to be successfully delivered.

Combined, these factors make IP an unreliable, best effort delivery protocol. Error correction is handled by upper level protocols instead. These protocols include TCP, which is a connection-oriented protocol, and UDP, which is a connectionless protocol.

Most internet traffic is TCP/IP

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