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In a local area network, administrators often need to send a piece of information to a group of users. If the use of a one-to-one delivery method, although it is feasible, but too troublesome, there are often leakage, wrong hair. In order to solve this group communication problem more effectively, a kind of multicast technology (also commonly called multicast communication) is presented, which is based on I
First of all, this is not what I wrote, but I found it, but others wrote it pretty well. Copy CodeThe code is as follows: # UDP Multicast examples, Hugo Vincent, 2005-05-14. Import socket def send (data, port=50000, addr= ' 239.192.1.100 '): "" "Send (data[, port[, addr])-multicasts a UDP datagram." " # Create The socket s = socket.socket (socket.af_inet, socket. SOCK_DGRAM) # make the socket multicast-
OverviewIn the previous article, the author of the personal understanding of the Commission to do a simple sharing, this article is mainly to say multicast delegation. A multicast delegate can contain more than one method per delegate.Understanding Multicast DelegatesMulticast delegates can protect multiple methods, but it is important to note that the signature
This article mainly explains the multicast delegation1. Instances of multicast delegates Public classMyDelegate {Private Delegate intNoparameterwithreturn ();//1. Declaration of Delegation Public Static voidShow () {Noparameterwithreturn method=NewNoparameterwithreturn (showsomething);//2. Instantiation of a delegate//Multicast delegationMethod + = shows
http://blog.csdn.net/victoryknight/article/details/7814243 ThemesUDPQtRoutersIf the two machines in the LAN are separated from each other, the communication between the two machines cannot be broadcast, but we can switch to the multicast communication to achieve the mutual communication effect.A server-sidequdpsocket Udp_socket; udp_socket.bind ( qhostaddress::any, Udp_listen_port, QUdpSocket:: Reuseaddresshint); qhostaddress mcast_addr ( "224.0.
The IP address and the MAC address are divided into three types: broadcast address, multicast address, and unicast address. First, FF: FF is undoubtedly a broadcast address. Each ENI is assigned a unique Unicast address when it leaves the factory. The first 24 bits are the ID of the equipment manufacturer, which is allocated by IEEE (Association of Electrical and Electronics Engineers, the last 24 bits are the unique ID specified by the device manufac
BSR Custom Router(BootStrap Router) IGMP Internet Group Management Protocol(Internet Group Management Protocol) IP Internet Protocol(Internet Protocol) MBGP Multi-Protocol Border Gateway Protocol(Multi-protocol Border Gateway Protocol) MSDP Multicast Source sending protocol(Multicast
In the project, the Ys Private protocol uses multicast technology, which uses Python to send multicast packets when verifying its security features, and to make a record here. The multicast server is used to send multicast packets to the multicast group with the follow
Unicast, broadcast, and Multicast I. Introduction 1. Three IP addresses are available: unicast address, broadcast address, and multicast address. 2. broadcast and multicast are only applied to UDP. TCP is a connection-oriented protocol that means two processes (determined by the port number) run on two hosts (determined by the IP address) there is a connection b
Step one: In the Network icon, click PropertiesStep two: Click "Local Area Connection"Step three: Click "Properties"Step four: Click "Install"Step five: Click "Protocols" and addStep Six: Click "Reliable Multicast Protocol" and then determineStep Seven: Return to the Ethernet Properties dialog box to see the installed protocol in the "This connection uses the following items" list box, that is, the extra-reliable
IP multicast addresses, or host Group addresses, are marked by Class d ip addresses. The maximum four bits of class d ip addresses are "1110", which ranges from 224.0.0.0 to 239.255.255.255.224.0.0.1-All multicast-enabled hosts in the CIDR Block (communication between hosts)224.0.0.2-All vrouters supporting multicast in the CIDR Block (used for inter-route Commun
Code:1 usingSystem;2 usingSystem.Collections.Generic;3 usingSystem.Linq;4 usingSystem.Text;5 usingSystem.Threading.Tasks;6 7 namespaceDelegate _ Example8 {9 Static class ProgramTen { One Delegate voidShow (stringname); A - Static voidCatshow (stringname) - { theConsole.WriteLine ("Name:"+name); - } - - Static voidDogshow (stringname) + { -Console.WriteLine ("Name:"+name); + } A at Static voidLionshow (stringname) -
Application Scenario requirements: The child is called "I Am Hungry". At this time, his father and mother need to hear and handle the problem at the same time, A child cannot shut up after his parents respond (his/her mom's handling cannot block the child from shutting up after speaking ). Solution: Generally, "Multicast asynchronous delegation" can be used to implement an "Observer mode" to meet most of the requirements. However,
: // 127.0.0.1/vod1. You can play the video. You can replace 127.0.0.1 with your own IP address. 6. Set up multicast serversContinue input: New broadcast EnabledSetup inputs input D:/02.avi [loop]Setup export output # duplicate {DST = RTP {DST = 226.0.0.6, MUX = ts, Port = 1234 }}Control Role Play Explanation:A new broadcast is called broadcast. Set input to D:/02.avifor loop, which indicates loop playback. Set the output of the
();}}} (3) about delegation and Multicast Multicast delegates include references to two or more methods. For multicast, use + = to add a delegate and use-= to remove the delegate. The method included in the multicast delegate must return the void; otherwise, a run-time exception is thrown. Because the method does not
Release date:Updated on: Affected Systems:Cisco IOS 15.xUnaffected system:Cisco IOS 15.2 (2) T1Cisco IOS 15.1 (4) M3aCisco IOS 15.1 (4) M2Cisco IOS 15.1 (2) GC2Cisco IOS 15.0 (1) M8Description:--------------------------------------------------------------------------------Bugtraq id: 52759Cve id: CVE-2012-0382 MSDP is a protocol used to connect multiple PIM-SM domains, allowing multicast sources in a group to make all RP in different domains known. Wh
Apply to UDP only1, three types of IP addresses, unicast, broadcast, multicast2, limited broadcast 255.255.255.255 Route not forwardedWebcast netid.255.255.255 Class A, without subnettingSubnet broadcast host number is 1All subnet broadcast Subnet number host number is 1 mesh3. Ping 255.255.255.255Arp-a4. Multicast Class D AddressIGMPThe basis of multicasting is the concept of a process that joins a multicast
Silverlight runtime assumes that the announcement has been deleted and a new announcement will be resending. If no matching authorization is received, the same request will be resent in 6 seconds. SocketException with SocketError.AccessDenied.">SocketException with SocketError.AccessDenied.">If no matching authorization message is received 12 seconds after the third resend, the Policy Check is deemed as failed and the ApplicationProgramReceiveSocketexceptionAndSocketerror.Accessdenied. If a m
In my previous blog "Extension function (1): Extend" already Extension ' function ' function to implement Extend. Follow the leads I ' ll talk about extension ' Function ' to implement multicast Event. Some friends may familiar and listener model,some friends May is not. But Event I believe these are no one none used. In Js,we usually use blew the code to implement event. vareventdemoclass= function () { //constructor } Eventdemoclass.prototyp
13. multicast routing protocol-PIM (protocol-Independent Multicast Routing Protocol) Multicast Routing Protocol classification-dense mode and Sparse Mode Multicast branch tree 1. STP ---- source tree, Shortest Path Tree To maintain table items (S, G), it indicates the tree closest to S) It consumes a lot of memory
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