Streaming to multiple servers at once?

My goal is to be able to stream a live show to services such as ustream, stickam and justin.tv all at once. Does FMLE allow for this? I know it's possible to run multiple instances of FMLE, but how would I feed them all the same video?
Perhaps some sort of virtual DirectShow device that can dupliate an input (in my case a BlackMagic SDI card) into a number of virtual devices FMLE could use.
Do any kind of live repeaters/re-streamers exist to faciliate something similar? For example, I would stream 1 stream from my studio on an average Cable/DSL uplink to a restreaming server on a High Bandwidth link, which in turn would re-stream this stream to a number of various servers.
Also, does anyone know if the services mentioned above support VideoLAN/VLC? I know it offers Flash streaming, but how compatible is it with FMLE/FMS?
Justin.tv have a tool out called jtvlc designed for streaming with VLC: http://apiwiki.justin.tv/mediawiki/index.php/Linux_Broadcasting_API
I imagine if something like that had to be created, VLC streaming is not too compatible with Flash Media Server. I hope I'm wrong.
Thanks in advance!

I know how to do it using Osprey cards. Osprey has a "Simulstream" software which works with some of their cards (Osprey 230, etc). This software will create 4 devices out of a single card - 4 cards can be seen in the FMLE device list. You can run 4 FMLE instances and select different cards in each of the FMLE instances.In each FMLE instance you can specify different FMS settings.
You can also refer to following threads for similar usecases:
http://forums.adobe.com/message/2205828#2205828
http://forums.adobe.com/thread/586799?tstart=0

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Streaming from multiple servers

Hello,
I have a server in Israel with Flash Streaming server
installed.
If I'll buy another server and host it in the US, what do I
need to do in order to broadcast from it also.
1. Do I have to broadcast twice from the source or can I
broadcast to one server and it will pass the stream to the other?
2. Do I need to purchase another FMS license?
Thanks.

You said you have Flash Streaming Server - do you mean FMSS.
If yes, I am sorry you will have to broadcast to both servers from
your source. There is no way you can republish from server itself
as you have no control to do that on FMSS - you cant write your own
apps and also cant modify live and vod apps. Now if you meant FMIS,
then there are two ways you can achieve it:
1. Like how JayCharles suggested, you can use remote play and
play stream from your US server.
2. Better way would be to use Multi-point publish, once you
get stream published at your Isreal server, just get hold of it in
application.onPublish handler and use new NetStream class on
Server-side to republish it to our US server. However note that
Multi-point publish is available only from FMS 3.0 release.

Deploy project to multiple servers

Hi,
Does anyone know if it is possible to deploy a process to multiple servers at once (from one central point)??
In our test environment we only have a few services running, but when we go live, this number would increase. Therefor it would be a time-saving point if we could impress our clients with such a reason.
Kind regards,
RenÃ©

I would implement such a deployment configuration using ant by extending the default build.xml generated by ant. ant has a lot of built-in task that can help with remote deployment. -Edwin

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Hello,
I use Java NIO, non blocking for my client-server program.
Everything works ok, until there are many clients that sending messages at the same time to the server.
The server can identify all the clients, and begin reading, but the reading of those multiple clients are always the same message.
For example, client A send "Message A", client B send "Missing Message", client C send "Another Missing Message" at the same time to the server, the server read client A send "Message A", client B send "Message A", client C send "Message A", only happen if the server trying to read all those messages at once, if the server read one by one, it's working perfectly.
What's wrong with my code?
This is on the server, reading the message:
private Selector               packetReader; // the selector to read client message
public void update(long elapsedTime) throws IOException {
if (packetReader.selectNow() > 0) {
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      // there is client sending message, looping until all clients message
      // fully read
      // construct packet
      TCPClient client = (TCPClient) key.attachment();
      try {
        client.read(); // IN HERE ALL THE CLIENTS READ THE SAME MESSAGES
           // if only one client send message, it's working, if there are multiple selector key, the message screwed
      } catch (IOException ex) {
//      ex.printStackTrace();
        removeClient(client); // something not right, kick this client
}On the client, I think this is the culprit :
private ByteBuffer            readBuffer; // the byte buffer
private SocketChannel client; // the client SocketChannel
protected synchronized void read() throws IOException {
readBuffer.clear();    // clear previous buffer
int bytesRead = client.read(readBuffer); // THIS ONE READ THE SAME MESSAGES, I think this is the culprit
if (bytesRead < 0) {
    throw new IOException("Reached end of stream");
} else if (bytesRead == 0) {
    return;
// write to storage (DataInputStream input field storage)
storage.write(readBuffer.array(), 0, bytesRead);
// in here the construction of the buffer to real message
}How could the next client read not from the beginning of the received message but to its actual message (client.read(readBuffer)), i'm thinking to use SocketChannel.read(ByteBuffer[] dsts, , int offset, int length) but don't know the offset, the length, and what's that for :(
Anyone networking gurus, please help...
Thank you very much.

Hello ejp, thanks for the reply.
(1) You can't assume that each read delivers an entire message.Yep I know about this, like I'm saying everything is okay when all the clients send the message not in the same time, but when the server tries to read client message at the same time, for example there are 3 clients message arrive at the same time and the server tries to read it, the server construct all the message exactly like the first message arrived.
This is the actual construction of the message, read the length of the packet first, then construct the message into DataInputStream, and read the message from it:
// packet stream reader
private DataInputStream input;
private NewPipedOutputStream storage;
private boolean     waitingForLength = true;
private int length;
protected synchronized void read() throws IOException {
readBuffer.clear(); // clear previous byte buffer
int bytesRead = client.read(readBuffer); // read how many bytes read
if (bytesRead < 0) {
    throw new IOException("Reached end of stream");
} else if (bytesRead == 0) {
    return;
// the bytes read is used to fill the byte buffer
storage.write(readBuffer.array(), 0, bytesRead);
// after read the packet
// this is the message construction
// write to byte buffer to input storage
// (this will write into DataInputStream)
storage.write(readBuffer.array(), 0, bytesRead);
// unpack the packet
while (input.available() > 0) {
    // unpack the byte length first
    if (waitingForLength) { // read the packet length first
      if (input.available() > 2) {
        length = input.readShort();
        waitingForLength = false;
      } else {
        // the length has not fully read
        break; // wait until the next read
    // construct the packet if the length already known
    } else {
      if (input.available() >= length) {
        // store the content to data
        byte[] data = new byte[length];
        input.readFully(data);
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        addReceivedPacket(data);
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(2) You're sharing the same ByteBuffer between all your clients
so you're running some considerable risks if (1) doesn't happen.
I recommend you run a ByteBuffer per client and have a good look
at its API and the NIO examples.Yep, I already use one ByteBuffer per client, it's not shared among the clients, this is the class for each client:
private SocketChannel client; // socket channel per client
private ByteBuffer readBuffer; // byte buffer per client
private Selector packetReader; // the selector that is shared among all clients
private static final int BUFFER_SIZE = 10240; // default huge buffer size for reading
private void init() throws IOException {
storage; // the packet storage writer
input; // the actual packet input
readBuffer = ByteBuffer.allocate(BUFFER_SIZE); // the byte buffer is one per client
readBuffer.order(ByteOrder.BIG_ENDIAN);
client.configureBlocking(false);
client.socket().setTcpNoDelay(true);
// register packet reader
// one packetReader used by all clients
client.register(packetReader, SelectionKey.OP_READ, this);
}Cos the ByteBuffer is not shared, I think it's impossible that it mixed up with other clients, what I think is the SocketChannel client.read(ByteBuffer) that fill the byte buffer with the same packet?
So you're probably getting the data all mixed up - you'll probalby be seeing a new client message followed by whatever was there from the last time, or the time before.If the server not trying to read all the messages at the same time, it works fine, I think that if the client SocketChannel filled up with multiple client messages, the SocketChannel.read(...) only read the first client message.
Or am I doing something wrong, I could fasten the server read by removing the Thread.sleep(100); but I think that's not the good solution, since in NIO there should be time where the server need to read client multiple messages at once.
Any other thoughts?
Thanks again.

Selective IP filtering for multiple servers in a domain?

Is it possible to have IP filtering on for certain servers in a
domain, and not for others?
This is the situation:
I am deploying two servers in mydomain, so let's call it serverA
and serverB. I want serverA to accept all connections while
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"MS" <[email protected]> wrote:
>
Hello All,
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Hi,
can i use a single RTMP link included on FMLE with multiple servers, means, that RTMP link will do the redirection to the other RTMP links.
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As I understand you want to publish single stream to multiple server, so that you can load balance the subscribers..
So the answer is .. that this is possible with FMS.. FMS provides ways to scale you infrastructure.. So you might use "Multi-point publishing feature" of the FMS. This feature allows you to forward your RTMP streams from one FMS server to another FMS server..
You may find the useful link here : http://help.adobe.com/en_US/FlashMediaServer/3.5_Deving/WS5b3ccc516d4fbf351e63e3d11a0773d5 6e-7ffb.html
There is another way to publish the same stream to two server.. From FMLE, you can publish the same stream to at most 2 server.. In FMS you can simultaneously connect to at max two servers.. There are two connection URL edit boxes " FMS URL, and Backup URL" You may provide both for two different FMS servers..
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