chromecast broadcast

Internet café Industry competition intensifies, there are some large scale of internet cafes. At present in the Internet café industry, more than hundred of Internet cafes have been everywhere. As Internet cafes in the network construction, the lack of professional network technology support, the network of Internet cafes frequent failures. In the network fault of Internet cafes, the network fault caused by the network broadcast storm accounted for mo

I remember when I went to school, each class will have a speaker in the classroom, these speakers are connected to the school's broadcast room, once there is any important notice, will broadcast a radio to inform the teachers and students. Similar working mechanisms are also widely used in the computer field, if you understand the principle of network communication should be aware that in an IP network rang

Preface : The previous article recorded Service the use, this time to record one of the other four components BroadcastReceiver . It mainly introduces the difference between two types of broadcast and registration. BroadcastReceiverBroadcast receivers are used to receive broadcasts sent by systems or other programs, including their own programs. I. Registration of BroadcastsIn Android, if we want to receive

What is Broadcastreceiver? Broadcastreceiver, a broadcast receiver, is a system global listener that listens to the global broadcast message of the system, so it can easily communicate between system components. Broadcastreceiver is a listener, but it is different from the onxxxlistener used before, those are just program-level listeners, running in the process of the specified program, and when the progr

Android Broadcast component Permission Bypass Vulnerability Lolipop source code has been released for some days. I found that google fixed a high-risk vulnerability on Android 5.0, which can be used to send arbitrary broadcasts: it can not only send broadcast at the protection level of the system, but also ignore the restrictions of the android: exported = false and android: permisson = XXX attributes of th

There are two ways of broadcasting , a static broadcast and a dynamic broadcast.Static broadcast---static broadcast receivers are registered inside the configuration file.Dynamic broadcast receivers are registered in the code.Sending of broadcasts:Context.sendbroadcast ();Context.sendorderedbroadcast ();Context.sendsti

1, broadcast and multicast are only applicable to UDP, because TCP is connection-oriented, you need to bind two hosts two processes, that is, IP address and port pair2, usually, the network card can see every data frame in the net, but often it only accepts the destination address and its own MAC address of the same or broadcast address of the frame (now some can also receive a multicast address), and then

Network Communication: unicast, broadcast, and Multicast Directory: I. Classification of network communication, their definition and characteristics. 2. network topology model of unicast, broadcast, and Multicast Transmission Information. Iii. unicast, broadcast, and multicast programming instances. I. Classification of network communication, their definition an

To correctly understand the meaning of a broadcast storm, we must understand the working principles of network devices working on the network. Currently, network devices that work in Internet cafes are basically switches. No one really understands the working principle of vswitches.I. Basic vswitch knowledge 1. Definition of a vswitch: A vswitch is a network device that can complete Packet encapsulation and Forwarding Based on MAC (hardware address of