Answer / vijay

TCP/IP is a protocol stack used for data transmission from source to destination.
in the physical layer all the physical connections like LAN cards, cables etc will b there which will send data in the form of bits. layer 2 operates with frames where the switches comes into picture.
in the network layer which operates on packets.routing takes places, routers are the devices used for this.
transport layer is above the network layer and it uses mainly TCP/ UDP for transport of data.
the application layers is on top of this layer.

application layer
|
transport layer[tcp/udp]
|
network layer[routers]
|
datalink layer[switches]
|
physical layer[Network Interface card, cables etc]

for any transfer of data between 2 systems this TCP/IP stack comes into picture, whether it is file transfer or uploading something,sending an email etc. any application based on web will use TCP/IP

hope this helps

Answer / bhisham

TCP/IP:-The is Transmission Control Protocol
it is the part of the 2 layer
TCP means Connection oriented protocol means 3wys hand shke
apply first received ack then send ack and then data.

it forward the data in form of FRAME.

Answer / r.aarthi

TCP/IP means transmission ctrl protocol ,it is protocol
stack.It contains 5 layer to transmit source to
destination,these layers are internet layer,session
layer,transport layer,physical layer and network layer.TCP
is a connection oriented and reliable.

web browser is first makes the request to web server.the
web server breaks the request to segments.

tcp/ip protocol is first breaks the segments and add
some sequence number to the segments.

then the segments are send to the internet layer,it
changes the request into the signal,then the signalis
transfer into the network layer.

the n/w layer is convert analog signal into digital signal
and response to their particular request. then the digital
signal is changed digital signal into analog signal.then
the response msg was transfered into transport layer the
transport layer sent the web server to web browser.

Answer / krishnamohan

TCP/IP is suite of protocols; anything related to the
specific protocols of TCP and IP.
- It can include other protocols, applications, and even the
medium
- Sample set of these protocol suite: UDP, ARP, ICMP
- Sample Applications: TELNET, FTP, rcp, SNMP etc
- For FTP application, the flow of data is FTP/TCP/IP/ENET
- For SNMP application, the flow of data is SNMP/UDP/IP/ENET
- Applications using TCP, data passes between application
and TCP module and similarly for UDP, application and UDP module

Flow:
- If an ethernet frame comes up into the ethernet driver off
the network, the packet extracted from the frame is passed
up to IP layer based on the "type" field in the frame header.
Once the IP Layer has the packet, the unit of data is passed
to appropriate protocol in transport layer depending on the
value of "protocol" field in the IP header. The transport
layer passes the data up to the application layer.

Downward multiplexing is simple to perform because from each
starting point there is only one downward path. Data passing
from the applications through either UDP or TCP converges on
the IP module and is sent out through the NIC driver.

Is there any equivalent protocol to Cisco's property protocol IGRP.

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