after progress on the question how to create socket.io multicast groups, I found making rooms a great way to do what I needed. However, it would be great to know about all the rooms, without an ex...

I have a code in which send multicast datagrams. A critical piece of code: uint32_t port; int sockfd, err_ip; const uint32_t sizebuff = 65535 - (20 + 8); unsigned char *buff = (unsigned char *) ma...

This question is about sending and receiving multicasts inside the same host, while simultaneously sending it to other hosts. Even after hours of googling, I have not been able to sort out, how mu...

I have a network with several computers when each computer has several network interfaces with a single destination. I'm developing an application that actively uses multicast. In general everythin...

I have two programs: server ... it generates UDP traffic on a chosen multicast listener ... it prints UDP traffic on a chosen multicast (it subscribes to a multicast and prints whatever it rece...

I have a prototype Android app that is listening for multicast packets to 'discover' clients to communicate with. The socket set up is similar to this: InetAddress group = InetAddress.getByName("2...

I'm trying to send a UDP Multicast Packet to: 230.185.192.108 so everyone subscribed will receive. A bit stuck. I believe it's broadcasting correctly, but can't seem to pick anything up with any cl...

In order to make optimal use of network bandwidth in a communication 1->n I need to use multicast. In an on-premise datacenter with switch having IGMP snooping, the advantage of multicast is obviou...

I have two applications running on the same Linux host. Each application joins the same multicast group, but each choose to use different NIC. Note that both NICs are managed in the same subnet and...

Getting java.net.SocketException when trying to start a multicast provider: 2013-09-11 11:45:44,204 [main] ERROR net.sf.ehcache.distribution.MulticastRMICacheManagerPeerProvider: Error starting he...

I have the following setup: external device that sends multicast UDP messages through ethernet towards a windows 10 PC The PC has WSL2 running and within an application that is trying to listen to...

I was trying to write a simple program communicating between kernel and user space using Netlink. Basically here's what I wanted to achieve: User space program starts binding to a user defined mu...

I'm new to lwip, and I want to create a multicast receiver with lwip. My steps are as follow: 1. Enable LWIP_IGMP; 2. Set NETIF_FLAG_IGMP in low_level_init(); 3. Join multicast group, create and bi...

I need to send a broadcast datagram to all machine (servers) connected to my network. I'm using NodeJS Multicast Client var dgram = require('dgram'); var message = new Buffer("Some bytes"); var ...

For Internet Protocol (IP) I can use multicast: in IPv4: Internet Group Management Protocol (IGMP) in IPv6: Multicast Listener Discovery Also, in example, for UDP I can use: broadcast - to se...

Following iOS 14 new policy of blocking access to local network, a com.apple.developer.networking.multicast special entitlement is needed to access the local network, and this access should be conf...

I got spring boot (2.3.2.RELEASE) with camel (3.5.0) application and two routes for testing in it: The idea is to check what happen when exception occurred in child route that was called from multi...

I wish to send UDP multicast packets to loopback address and receive the same in other application. All tests done on fedora core 17 Linux. The idea is to receive a video stream via RTSP/HTTP or a...

Android emulator does not support multicast currently however I need to test an application that needs multicast packets. I want to do it on Emulator. Is there a way to receive multicast packets o...

Is it possible to receive data from more than one multicast group on a single socket? For example: void AddGroup(int sock, const char* mc_addr_str, int mc_port, const char* interface) { struc...

On a computer with both an active Wireless Card and a LAN-Port with a crossover cable hooked up to another machine running the same application, we need to send a UDP multicast over the LAN wire to...

I have an Observable that produce the unicast value(individually for all observers). But when i am going to convert into multicast using RxJs multicast operators then it return the following error....

I have several embedded machines listening and streaming rtp audio data to a multicast group. They are connected to a smart managed switch (Netgear GS108Ev2) which does basic igmp snooping and mult...

I'm trying to improve the performance of my multicast application (in order to reduce its packet loss) which is working on a huge network My experiments show that in the first run of the applicati...

I am receiving ~3000 UDP packets per second, each of them having a size of ~200bytes. I wrote a java application which listens to those UDP packets and just writes the data to a file. Then the serv...