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SCTP stands for Stream Control Transmission Protocol. It is a new reliable, messageoriented transport layer protocol. SCTP, however, is mostly designed for Internet applications that have recently been introduced. These new applications, such as IUA (ISDN over IP), M2UA and M3UA (telephony signaling), H.248 (media gateway control), H.323 (IP telephony), and SIP (IP telephony), etc.SCTP combines the best features of UDP and TCP. SCTP is a reliable message-oriented protocol. It preserves the message boundaries, and at the same time, detects lost data, duplicate data, and out-of-order data. It also has congestion control and flows control mechanisms.Features of SCTPThere are various ... Read More
SLIP stands for Serial Line Internet Protocol. SLIP is an Internet protocol that allows users to gain Internet access using a computer modem. Today, SLIP is not used as frequently as its successor, PPP (Point-to-Point Protocol), which provides enhanced error detection and automatic configuration.SLIP is commonly used on dedicated serial links and sometimes for dialup purposes and is usually used with line speeds between 1200bps and 19.2Kbps. It is useful for allowing mixes of hosts and routers to communicate with one another (host-host, host-router and router- router are all common SLIP network configurations).SLIP defines a sequence of characters that frame ... Read More
IGMP stands for Internet Group Management Protocol. It is a protocol that allows several devices to share one IP address so they can all receive the same data. IGMP is a network layer protocol used to set up multicasting on networks that use the Internet Protocol version 4 (IPv4). Specifically, IGMP allows devices to join a multicast group.IGMP is not a multicasting routing protocol; it is a protocol that manages group membership. In any network, there are one or more multicast routers that distribute multicast packets to hosts or other routers.The IGMP protocol gives the multicast routers information about the ... Read More
Wireless LAN is one of the fastest-growing technologies. IEEE 802.11 refers to the set of standards that define communication for wireless LANs (wireless local area networks, or WLANs). The technology behind 802.11 is branded to consumers as Wi-Fi.Wireless LAN can be found on college campuses, in office buildings, in hospitals, stock exchanges and in many public areas. It has become popular due to the ease of installation and location freedom with the gaining popularity of laptops.Wi-Fi is now one of the major forms of communication for many devices, and with home automation increasing, even more, devices are using it. Home ... Read More
There are three types of frame formats that are supported on a Token Ring network such as token, abort, and frame. The token format is the mechanism by which access to the ring is passed from one computer attached to the network to another device connected to the network.Here, the token format consists of three bytes, of which the starting and ending delimiters are used to indicate the beginning and end of a token frame. The middle byte of a token frame is an access control byte.Three bits are used as a priority indicator, three bits are used as a ... Read More
GSM stands for Global System for Mobile communication. GSM is a mobile communication modem; it stands for global system for mobile communication (GSM). The idea of GSM was developed at Bell Laboratories in 1970.It is a widely used mobile communication system in the world. GSM is an open and digital cellular technology used for transmitting mobile voice and data services operating at the 850MHz, 900MHz, 1800MHz, and 1900MHz frequency bands.There are various cell sizes in a GSM system, such as macro, micro, pico, and umbrella cells. Each cell varies as per the implementation domain. There are five different cell sizes ... Read More
CIFSCIFS stands for Common Internet File System. It is also known as Server Message Block. It is a network protocol whose most general use is sharing documents on a Local Area Network (LAN). The protocol allows a user to manipulate files just as if they were on the local computer.Operations such as read, write, create, delete, and rename are all supported. The only difference is that the files are not on the local computer and are actually on a remote server.NFSNFS stands for Network File System. It is a type of file system mechanism that enables data storage and retrieval ... Read More
iSCSI represents Internet Small Computer Systems Interface. It is a transport layer protocol that works on top of the Transport Control Protocol (TCP). It enables block-level SCSI data transport between the iSCSI initiator and the storage target over TCP/IP networks. iSCSI supports encrypting the network packets and decrypts upon arrival at the target.There are multiple means of transports that can be used for iSCSI. The most common is TCP/IP over Ethernet, but Remote Direct Memory Access (RDMA) can also be used with iSER, which is iSCSI Extensions for RDMA. If using iSER, the transport is RoCE or InfiniBand, and the ... Read More
DAS stands for Direct-attached storage. It is computer storage that is connected to one computer and not accessible to another. The System of DAS is attached directly to the computer through the HBA (Host Bus Adapter).As compared to NAS devices, its device attaches directly to the server without the network. The modern systems of this storage device include the integrated controllers of a disk array with advanced features.TypesThere are two types of DAS which are as follows −Internal DASIn internal DAS design, the storage device is privately linked to the server through a serial or parallel bus.External DASIn external DAS ... Read More
I2C ProtocolI2C stands for the inter-integrated controller. It is a serial communication protocol that can connect low-speed devices. It is a master-slave communication in which we can link and control multiple slaves from a single master. In this, each slave device has a specific address.SPI ProtocolSPI is an interface that enables the serial (one bit at a time) exchange of data between two devices, one called a master, and the other called a slave. In this protocol, devices are linked in the master-slave relationship.The major differences between I2C protocol and SPI protocol are as follows −I2C ProtocolSPI ProtocolThere are two ... Read More