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Questions tagged [multicast]

Multicast is the mechanism using which data traffic is reduced thoughout the network if a certain number of receivers are interested in the same data from the same source. This increases the efficiency of the network as less packets needs to be processed by the intermediate routers in the network. An inverted(spanning)tree like traffic path is formed for multicast data. This ensures that packets are replicated only when necessary.

13 votes
4 answers
4k views

Can YouTube (e.g.) send a video file once and multiple users stream it?

Can YouTube (e.g.) send a video file once and multiple users stream it? Or does YouTube need to send the file to each person individually, even though all of the users live in the same region? If it ...
Someone's user avatar
  • 157
11 votes
2 answers
12k views

Getting Chromecast to work across subnets

I know Google says its not supported. Has anyone got a Chromecast to talk to a client on a different subnet? I have an OpenWRT router connected to my internet providers router (parent router). The ...
Adam Mills's user avatar
4 votes
1 answer
38k views

How to connect two bluetooth speakers simultaneously via "Virtual Audio Cable"?

I have two speakers that I need to connect wirelessly via bluetooth. These are standard aux/usb speakers, and presently I've connected one of the speakers via 3.5mm jack to my windows 10 laptop. I ...
mk117's user avatar
  • 1,795
2 votes
2 answers
28k views

How To Set Multicast Rate On Apple AirPort Extreme

I have an Apple AirPort Extreme Rev C (2011) and I need to set a manual multicast rate. While I can set a manual multicast rate, I only have the option between low, medium and high. In the previous ...
cappuccino's user avatar