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Looking for career opportunities where you can put your full knowledge and that best fits your skill set? Explore wisdom jobs portal to get access to different jobs that best suits your need. Multicast is the process of transferring data in a computer network either from one to many computers or from many to many computers and needs professionals with good experience in working with computer networks and data transferring. There are plenty of Multicast jobs available seeking passionate individuals for different positions like Multicast engineer, Multicast developer, network engineer, network protocol manager, Multicast architect etc. For a successful interview visit Multicast jobs interview questions and answers page and go through the interview model and various Q&As presented in complexity hierarchy base to get ready for the interview.
Multicast is a method of sending the data from one source to so many receivers.
IGMP - Provides the communication between host and Router
PIM(IPV4), MLD(IPV6)- Provides the communication between Router and Router
IGMP Snooping & CGMP - Provides the communication between Router & Switch
IGMP is a protocol which enables the host to join particular group by signalling the router.
Multicast Distribution Tree specifies the path between source and Receiver in which multicast traffic should be forwarded.
There are mainly two types of Multicast Distribution Trees
Where S = Source or Sender IP address ( Unicast) (18.104.22.168)
G = Destination IP address ( Multicast IP address) (22.214.171.124)
Where * = All Sources
G = Destination IP address ( Multicast IP address)(126.96.36.199)
PIM is a protocol used between the routers to forward multicast traffic. PIM works in two modes
Packet filter is a standard router equipped with some extra functionality. The extra functionality allows every incoming or outgoing packet to be inspected. Packets meeting some criterion are forwarded normally. Those that fail the test are dropped.
One of the main causes of congestion is that traffic is often busy. If hosts could be made to transmit at a uniform rate, congestion would be less common. Another open loop method to help manage congestion is forcing the packet to be transmitted at a more predictable rate. This is called traffic shaping.
Sending a message to a group is called multicasting, and its routing algorithm is called multicast routing.
When hierarchical routing is used, the routers are divided into what we will call regions, with each router knowing all the details about how to route packets to destinations within its own region, but knowing nothing about the internal structure of other regions.
It is a problem that can ruin TCP performance. This problem occurs when data are passed to the sending TCP entity in large blocks, but an interactive application on the receiving side reads 1 byte at a time.
Multicast protocol or Internet protocol delivers a singles message to multiple machines. One packet from the source is replicated and sent to the destination. Every multicast message requires a multi case group. The group defines the addresses which will receive the message. The group is defined by the class D address. Different routing protocols are used to find the multicast groups and build routes for them. Distance Vector Multicast protocol is one of them. The receiver, to whom the multicast packet is sent to, needs to ‘join’ the group. Joining the group is enabled and managed by IGMP. Multicast routers are used to transmit the messages from one network to another.
Controlling the scope of multicast transmission restricts the range of group members. TTL (Time To Live) is one of the mechanisms to limit the scope. If the TTL value is small, packets would only be multicast to smaller distance destinations. More the value of TTL, more would be the scope of transmission to a larger number of machines. Administrative scoping is another mechanism. In this, transmission is restricted to a specific address space of an organization or a site.
A socket is used to connect an application to a network protocol. A socket enables communication between a client and a server. The communication is started when the client is assigned a local port number, and binds a socket to it. The client writes on the socket and gets information from server by reading it.
A socket is used to connect an application to a network protocol. A socket enables communication between a client and a server. The communication is started when the client is assigned a local port number, and binds a socket to it. The client writes on the socket and gets information from server by reading it. The Socket class is used to communicate. It provides rich set of methods for both asynchronous and synchronous data transfer. ConnectAsync is used to start an asynchronous connection. SendAsync and ReceiveAsync are used to send and receive data. Shutdown and close methods are used to shutdown and close the sockets.
Multicast Related Tutorials
|Networking Tutorial||Internet Protocol version 6 (IPv6) Tutorial|
|Internet Protocol version 4 (IPv4) Tutorial|
Multicast Related Interview Questions
|Networking Interview Questions||Hardware and Networking Interview Questions|
|Switching Interview Questions||Routing Protcol Interview Questions|
|Internet Protocol version 6 (IPv6) Interview Questions||Internet Protocol version 4 (IPv4) Interview Questions|
|Border Gateway Protocol (BGP) Interview Questions||Virtual Private Network (VPN) Interview Questions|
|OSPF Interview Questions||HART Communication Protocol Interview Questions|
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