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Questions tagged [unicast]

41 questions
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Same host UDP packet correlation in Go

In Go one can send UDP packets using net.Addr interface to specify the target endpoint. Some special addresses, e.g. :8080 and 0.0.0.0, sends packets using local loopback interface. When received, still on the same host, the message's net.Addr shows…
PalSivertsen
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Does Facebook multicast or unicast the live videos to its viewers?

This is how a live stream goes from one broadcaster to millions of viewers: A broadcaster starts a live video on their phone. The phone sends a RTMP stream to a Live Stream server. The Live Stream server decodes the video and transcodes to multiple…
Kamran Zahoor
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Using Hazelcast clusters in two discrete subnets, how do I bridge the two different clusters?

I am using Hazelcast to form two clusters in two discrete subnets. Clusters are being formed using multicast, no issues there. Some of the nodes produce over a topic and some nodes consume the same. Now, as I understand, I cannot use both …
de_xtr
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How to send an IP packet to directly connected Peer through broadcast?

let's two machines are directly connected on a Point-to-point link: A -192.168.4.1/24---------------------------192.168.4.2/24--B How A can send an IP packet to B through broadcast only ? if A cooks up the packet with Dest mac = ff:ff:ff:ff:ff:ff…
Abhishek Sagar
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Unicast message in GNURadio

I have one USRP B210 and E312 and all the message transferred between them are via the broadcast message. Is there any way to transmit a unicast message (point to point) in GNURadio? If yes, can you please help me with an example?
Mahesh Jena
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MulticastSocket determine if message received was unicast

My server currently is able to send and receive multicast packets. I am adding the ability to also receive and send unicast packets. So I created "DatagramSocket uniRecv" and "DatagramSocket uniSend" to mimic the way multicast was done. The problem…
khm
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UDP unicast more reliable than broadcast?

We have a network engine which currently supports both unicast and broadcast - we have been using unicast up to now, but I'm exploring the broadcast capability in an effort to reduce network traffic. My tests seem to suggest that unicasting is far…
grae22
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Bluez 5 Set L2CAP Extended Features Mask

I am trying to set my L2CAP extended features mask to enable Unicast Connectionless Data in order to complete Bluetooth Sig certification. I cannot seem to find anywhere to do this. The particular Bluetooth PTS test I am trying to pass is as…
wfb0002
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How to Set Jgroups UDP to unicast instead of default multicast in standalone-ha.xml

Jgroups use "IP multicasting by default to send messages to all members (UDP) and for discovery of the initial members . However, if multicasting cannot be used, the UDP can be configured to send multiple unicast messages instead of one multicast…
Rony Joy
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Multicast and Clustering

I was going to use Ganglia for cluster monitoring, and have shown the following picture from O'Reilly book about Ganglia to our management: They saw "Multicast" in this picture and said that it was "Big No" for clustering for performance reasons.…
HEKTO
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JBoss nodes not joining tcp standalone cluster

I am trying to setup a Standalone, TCP cluster. I am not able to see the two nodes join the cluster. The process snapshots are as below: jboss 21682 11484 0 07:56 pts/0 00:00:00 /bin/sh /data/jboss/jboss-eap-6.4/bin/standalone.sh -c…
Prak_Rum
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