Introducing Network Protocols

Introducing Network Protocols

Introducing Network Protocols

Network Protocols is a set of rules which helps computer for communication with other device.
There are number of Network Protocols available.some of the most popular protocols is mention below

 Network Protocols

TFTP (Trivial File Transfer Protocol) : It is  File Transfer Protocol which allows a client to get a file from or put a file onto a remote host

SMTP (Simple Mail Transfer Protocol) : This protocol used in sending and receiving e-mail.

ICMP (The Internet Control Message Protocol) : It is used by network devices, including routers, to send error messages and operational information

TCP (Transmission Control Protocol) is a standard that defines how to establish and maintain a network conversation via which application programs can exchange data

UDP (User Datagram Protocol) is an alternative communications protocol to Transmission Control Protocol (TCP) used primarily for establishing low-latency and loss tolerating connections between applications on the Internet.

ARP (Address Resolution Protocol) is a protocol for mapping an Internet Protocol address (IP address) to a physical machine address that is recognized in the local network

RARP (Reverse Address Resolution Protocol) protocol is used to translate hardware interface addresses to protocol addresses
Network File System is a protocol that allowing a user on a client computer to access files over a computer network much like local storage is accessed

TCP/IP  (Transmission Control Protocol/ Internet Protocol)
IP specifies the format of packets and the addressing scheme.  This protocol uses the IP address for sending and receiving data.

IPX/SPX (NWLink) :  Internetwork Packet Exchange/ Sequenced Packet Exchange Used by Novell as their protocol for their network application NetWare.

PPP  (Point-to-Point Protocol ) :This protocol is used tomanage network communications over a WAN.

NFS Network File Services : Allows the network device to access network drives .


Layer 4 Protocol Layer 4 Protocol
Connection Oriented Protocol Connection Less Protocol
Not Supporting Broadcast Supports Broadcast
Not Supporting Multicast Not Supporting Multicast
Error Control No Error Control
Flow Control No Flow Control
Full Duplex Support NA
TCP Packet Segment UDP Packet Datagram
  Service Name Port Number
Domain Name Service (DNS) 53
Web (HTTP) 80
Secure Web SSL (HTTPS) 443
Simple Mail Transport (SMTP) 25 
Post Office Protocol (POP)109.110
Simple Network Management (SNMP) 161,162
Telnet Terminal (TELNET) 23
File Transfer Protocol (FTP) 20,21
Secure Shell Terminal (SSH) 22
Apple File Protocol/IP (AFP IP) 447,548


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