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Title: Wired and Wireless networking options for GLD, Dante, WSM, ...
Post by: Mark McFarlane on December 26, 2013, 10:59:26 AM
I've upgraded my A rigs with a GLD112 and need to rethink my network setup.

At FOH I will have:
wireless: iPad
wired and/or wireless: Mac Book Pro or Air, wired ethernet on Lightning
wired: GLD Dante
wired: GLD control
wired: Sennheiser wireless mic(s)
wired: dsnake, direct to stage
USB: Tripplite Smaart500
USB: Peavey laptop audio interface (may use Dante instead)
USB: Smaart interface (or may use GLD inputs through Dante)

On stage I'll have
wired: Sabine Nav 4802 DSP
wired: dsnake, direct to FOH
wireless: iPods and iPhones for monitor control...

I'll never be using more than 32 channels on the GLD, at least in the near future. I just purchased a  Dlink DIR-815 N+ (recommended by A&H for iLive) but it only has 100MB ports, which should be OK for Dante at 32*32 except it is a router, not a switch.

Network Options at FOH:
1) Laptop hardwired to GB combo WAP/switch/router with Dante and GLD Editor, WSM etc running over the wire
2) Laptop hardwired to GB switch with Dante and GLD Editor, WSM etc running over the wire, DLink WAP connected to the switch
3) Laptop wired direct to Dante, no switch. WAP connected to GLD control, Sennheiser,... and use Laptop wireless connection for these devices.  Requires me to get wired and wireless working on my laptop, which I have read is possible, but haven't succeeded in doing yet.

I'm thinking of trying an Airport Express at the stage to link the Sabine Nav DSP into the wireless network. I've dome thin=s in the past brining computers into my wireless network.

Option (3) should work with my current gear, if I can get it configured correctly.  Any other options? Is there such a thing as a WAP with a GB switch, not router?

Title: Re: Wired and Wireless networking options for GLD, Dante, WSM, ...
Post by: Thomas Dameron on December 27, 2013, 04:13:37 PM
I would recommend separating the control stuff from the Dante stream.  There is a good amount of data on the Dante network and it takes a good amount of IT wizardry to filter that part of the network and keep it from clogging the wireless by trying to wirelessly transmit the Dante stream.

So D-snake connects like normal on it's own cat5.
Dante connects to the Mac directly.  Add a switch if you need more devices, but keep it separate from your control network.
If musicians on stage need to connect to the console I would strongly recommend running cat5 to stage and adding a local access point for them.  It will be able to connect to the FOH AP during sound check but once the audience fills in you'll lose a lot of reliability.  I would connect your D-Link to the console at FOH.  Your Mac and iPad's can connect to that.  If you're worried about a wired connection to the Mac you can add a Usb-Ethernet adapter.  It isn't gigabit capable, but that's fine for control.  Then run one of the router outputs from the D-Link to stage into a switch that connects to the Sabine and local access point or configure another D-link or similar to not assign DHCP.

It sounds like a lot of bits and pieces at first, but the network stuff is relatively cheap, and most of it can either live in the console doghouse or racked up with the AR racks on stage, so it shouldn't add to setup time once you bundle the cat5 cables together.

Hope that helps,
thomas d.
Title: Re: Wired and Wireless networking options for GLD, Dante, WSM, ...
Post by: Mac Kerr on December 27, 2013, 04:29:29 PM
I would recommend separating the control stuff from the Dante stream.  There is a good amount of data on the Dante network and it takes a good amount of IT wizardry to filter that part of the network and keep it from clogging the wireless by trying to wirelessly transmit the Dante stream.

AFAIK Dante does not support wireless transmission of the audio stream. If you want to put any other device on the network it is going to mean there must be a switch. If you use a GB switch you can either get as many as 512x512 channels, or have bandwidth available for other network traffic. It is not hard to set up a VLAN for Dante that has the VOIP QoS priorities set for Dante timing to have the highest priority, and the audio stream the 2nd highest. You can then set up another VLAN for your other traffic. Unless you are streaming HD video on the other VLAN there should be plenty of bandwidth available. A 128x128 Dante network should use about 25% of the 1GB bandwidth.

I have run a Dante network of about 100x100 with a VLAN for file transfers of HD video content, not streaming, so not time critical, as well as another VLAN for misc data. This was on 1GB managed switches.

Mac
Title: Re: Wired and Wireless networking options for GLD, Dante, WSM, ...
Post by: Kieran Walsh on January 08, 2014, 06:50:35 AM
AFAIK Dante does not support wireless transmission of the audio stream. If you want to put any other device on the network it is going to mean there must be a switch. If you use a GB switch you can either get as many as 512x512 channels, or have bandwidth available for other network traffic. It is not hard to set up a VLAN for Dante that has the VOIP QoS priorities set for Dante timing to have the highest priority, and the audio stream the 2nd highest. You can then set up another VLAN for your other traffic. Unless you are streaming HD video on the other VLAN there should be plenty of bandwidth available. A 128x128 Dante network should use about 25% of the 1GB bandwidth.

I have run a Dante network of about 100x100 with a VLAN for file transfers of HD video content, not streaming, so not time critical, as well as another VLAN for misc data. This was on 1GB managed switches.

Mac

Hi Mac,

Have come across from the other forum as discussed. We have been having some interesting discussions about detailed Dante networking on some other forums, and I am happy to take questions here as well.

The first thing to remember about networking is that it is very difficult to be 100% wrong... but similarly it is impossible to be "right" in everyones opinion... so thats the same as Audio engineering at least ;)

Using VLANs to separate traffic is a valid activity - it breaks up what we call broadcast domains in networking... this may or may not matter- and largely depends upon the number of devices in the network, and whether their traffic profile "plays nice".

I like the analogy of different bars when talking about broadcast domains (and also about where to go eat on a night out).

Being a Brit, we tend to have Bars/pubs that are generally a single room (for the purposes of this analogy, lets assume this to be true). This room can be either very large, or quite small of course.

As a sound engineer in a former life- I have a deep dislike of bars that have any sort of music in them. I tend to go for small pubs, no music, good food and polite conversation.... hang on a minute this is supposed to be about networking... not a dating site!

OK I'll cut to the chase- think of the ideal pub described as a network with a small number of well behaved devices in it... more devices can be added to that network, and the "bar room" can get more full... but in general people tend to keep their voices down, there is no shouting, and as a result things are fairly relaxed.

A network broadcast domain is the area in a network which can receive a layer 2 broadcast message. This is like being in a bar room, and someone in the corner starts shouting. Unfortunately everyone can hear it... and most people aren't interested in it, but nevertheless it disturbs every other conversation.

Contrast this with a Nightclub... loud music, lots of people, and you have to shout to be heard. Networking is about communication. Communication in a nightclub is more energy consuming - by contrast its a noisy broadcast domain.

Using VLANs (or IP subnets at layer 3) effectively allows one to leave the nightclub and enter the quiet bar.

In order to communicate between VLANs and IP subnets, a device called a router is used. This can forward layer 3 IP packets between broadcast domains (it does not allow broadcast messages to pass!)

Think of this like a telephone line between the nightclub and the bar - communication is possible between the two broadcast domains, but the nightclub doesn't make the pub any noisier as a result.

Of course there is a down side to this!

More work has to be undertaken in order to ensure communication between broadcast domains is possible (setting up router etc.)

HOWEVER

In an A/V system a VLAN might be just the thing you are after... just because telephones exist, their use is not mandatory.

It is quite possible that you don't want any communication between the VLANs at all... so there is no point in buying a router... and if you don't have one... then you don't need to configure it.

Naturally the drawback is like a gig with uncompromising security... if you don't have your laminate and security is tight... there is no getting around it - networks are notoriously unimaginative in this respect ;)
Title: Re: Wired and Wireless networking options for GLD, Dante, WSM, ...
Post by: Mark McFarlane on January 08, 2014, 07:41:31 AM
Thanks Kieran for your response.  FYI, you may have underestimated the knowledge and experience of this board, you don't need to 'dumb it down' quite so far.
Title: Re: Wired and Wireless networking options for GLD, Dante, WSM, ...
Post by: Kieran Walsh on January 08, 2014, 08:15:22 AM
Thanks Kieran for your response.  FYI, you may have underestimated the knowledge and experience of this board, you don't need to 'dumb it down' quite so far.

Thanks Mark, and apologies if you thought my obvious pathetic attempts at humour were dumbing something down. The confusion between layers of the OSI model and what the differences between Collision, and broadcast domains are common errors made by a lot of people even in enterprise networking. A good grasp of the basics is never a bad thing in my opinion.
Title: Re: Wired and Wireless networking options for GLD, Dante, WSM, ...
Post by: Mac Kerr on January 08, 2014, 01:54:55 PM
Hi Mac,

Have come across from the other forum as discussed. We have been having some interesting discussions about detailed Dante networking on some other forums, and I am happy to take questions here as well.

To put this in context, here is a link to the thread on the Blue Room forum (http://www.blue-room.org.uk/index.php?showtopic=60090v), and another one like it (http://www.blue-room.org.uk/index.php?showtopic=58654), that prompted me to invite Kieran here.

There is a lot to learn for those of us not exposed on a daily basis to the intricacies of networking.

Mac
Title: Re: Wired and Wireless networking options for GLD, Dante, WSM, ...
Post by: Andrew Hastings on January 08, 2014, 06:44:18 PM
To put this in context, here is a link to the thread on the Blue Room forum (http://www.blue-room.org.uk/index.php?showtopic=60090v), and another one like it (http://www.blue-room.org.uk/index.php?showtopic=58654), that prompted me to invite Kieran here.

There is a lot to learn for those of us not exposed on a daily basis to the intricacies of networking.

Mac

Thanks Mac

For starting the discussion on the other Forum great information for the novice on networking
learned a lot from it.

Andrew
Title: Re: Wired and Wireless networking options for GLD, Dante, WSM, ...
Post by: Kieran Walsh on January 08, 2014, 08:29:47 PM
Thanks to Mac for putting this in context.

I changed to a briefer reply style, because as you can see from the other pists... some excellent points were made, which had I answered differently, could have been addressed (in my opinion) properly.

Personally I hated those textbooks (often in Mathematics) that felt somehow that a few pages were missing between the worked example and the exercise! I dont want to feel I am ever doing that. Also, when lecturing to small groups - eye contact and general observation of the audience give good clues as to what is going in... This medium doesnt allow that, so applying the Gordon theory when analysing ones own writing is essential.

My professor of educational theory always said "if you can't explain something at least four different ways - you don't know it". It is my failing if you do not understand what I am saying - not yours for failing to understand it.

so please - ask a question- if you dont get the answer, or like the phrasing of the answer- re-pose or rephrase the question.
Title: Re: Wired and Wireless networking options for GLD, Dante, WSM, ...
Post by: Tim McCulloch on January 08, 2014, 09:40:00 PM

My professor of educational theory always said "if you can't explain something at least four different ways - you don't know it". It is my failing if you do not understand what I am saying - not yours for failing to understand it.

so please - ask a question- if you dont get the answer, or like the phrasing of the answer- re-pose or rephrase the question.

One employee we hired was trained from scratch.  Never sang is a chorus or played in the band at school; no church music.  Minimal mathematics background.  He'd been involved in a bit of theater in high school, but that was it.  We had a lot of conversations while traveling to/from gigs - how to listen for different textures as well as pitch,  how to deal with performers and clients - but when it got technical he'd let me go on and on.  When finally I'd stop he'd ask 'now can you translate that into hillbilly?'  I'd have to find a different way of explaining, perhaps several times.  Your pedagogue was correct, because this consistently tested my *actual* knowledge and my ability to communicate that to someone in a way that was correct, meaningful and useful.  Some days that continues to be a pretty tall order...  :o

Thanks for participating here, your contributions are appreciated.
Title: Re: Wired and Wireless networking options for GLD, Dante, WSM, ...
Post by: Kieran Walsh on January 09, 2014, 08:48:53 AM
Thanks Tim... Looking through this... might be an idea to do a more detailed thread on OSI model for this forum...

This is important because when the layers, what the traffic is called and what the devices at each layer are called, and how these devices are described when you get to the store to buy them are understood well... IT jargon disappears, Network engineers become useful allies, etc.

To be totally transparent- it would be totally inappropriate to start this thread myself - it would be wrong for a manufacturer to "take ownership" of this...

If someone wanted to kick off with a subject along the lines of - "I've heard of the OSI model and different "layers" in networking"... how does this affect Audio systems?

As there are 7 layers... 7 days in a week, we could start with Layer 1- Physical, and have a talk about the most important thing- cabling, and what works and what doesn't and move on up from there.

Just an idea for a conversation starter... we can keep the replies brief, and as a consequence drag multiple experiences into the discussion?

any takers?
Title: Re: Wired and Wireless networking options for GLD, Dante, WSM, ...
Post by: Tim McCulloch on January 09, 2014, 09:53:26 AM
As there are 7 layers... 7 days in a week, we could start with Layer 1- Physical, and have a talk about the most important thing- cabling, and what works and what doesn't and move on up from there.

any takers?

"Let's get physical, physical, I wanna get physical... let me hear you data talk..." with apologies to O.N. John and the Layer One Singers. ;)

Kieran, there is a sticky thread near the top of this forum that was started to help audio guys understand data networking and packet-switched protocols.  You might give it a read-through and see what needs challenged or cleaned up, and consider starting your 7 Layers Road in that thread.

So long as you don't use a forum to _promote_ your employer's products (check the FAQ page) your participation is most welcome.  Check with Mac or another moderator if you have a question.
Title: Re: Wired and Wireless networking options for GLD, Dante, WSM, ...
Post by: Mark McFarlane on January 09, 2014, 10:06:55 AM
Kieran,

I'm the OP of this thread.  Back to my original question...

I'm running a GLD112 with Dante and an new (1Gb) airport extreme. Do you think it is reasonable to connect my MacbookPro to the AirPort Extreme by cat cable, and then connect the Dante card (@32x32) and the GLD Ethernet control to the AirPort Extreme Gb ports, or should I run Dante direct to my laptop by cable and connect the laptop wirelessly to the AirPort Extreme for GLD control functions.

There are a few other devices on the network like a DSP and Sennheiser WSM but there would be basically no traffic to these devices during a show.

Even though the airport express doesn't support QoS, it seems like there will be plenty of bandwidth in the airport express for unicast 32x32 to just wire things together without worrying about VLANs
Title: Re: Wired and Wireless networking options for GLD, Dante, WSM, ...
Post by: Riley Casey on January 09, 2014, 12:05:32 PM
Or better yet, the manufacturer could take full ownership of this and issue a white paper on audio networking on their website. 

Kieran I very much appreciate your posting both here and on the Blue Room forum this extremely valuable illumination of some of the darker elements of network application as it relates to Dante implementation.  Combined with the Yamaha networking 'lite' tutorials still in progress it makes understanding this brave new world much more accessible.  I would very much like to see Audinate step up to the plate with this sort of information support as a base part of their product offering.  Audinate may feel that their customers are the audio device manufacturers that incorporate this technology into their products but I suspect that the key to seeing Dante successfully pull ahead of the pack in the audio networking market will be promulgating a widespread understanding of the merits of your product over the competition.  This sort of out reach can be that competitive edge.

...
To be totally transparent- it would be totally inappropriate to start this thread myself - it would be wrong for a manufacturer to "take ownership" of this...
...
Title: Re: Wired and Wireless networking options for GLD, Dante, WSM, ...
Post by: Kieran Walsh on January 09, 2014, 03:42:52 PM
Or better yet, the manufacturer could take full ownership of this and issue a white paper on audio networking on their website. 

Kieran I very much appreciate your posting both here and on the Blue Room forum this extremely valuable illumination of some of the darker elements of network application as it relates to Dante implementation.  Combined with the Yamaha networking 'lite' tutorials still in progress it makes understanding this brave new world much more accessible.  I would very much like to see Audinate step up to the plate with this sort of information support as a base part of their product offering.  Audinate may feel that their customers are the audio device manufacturers that incorporate this technology into their products but I suspect that the key to seeing Dante successfully pull ahead of the pack in the audio networking market will be promulgating a widespread understanding of the merits of your product over the competition.  This sort of out reach can be that competitive edge.

Agree that it is appropriate to publish a white paper on what is "special sauce" specific... however this is very different to hijacking the whole OSI 7 layer model, IP networks etc etc etc open standardised stuff... that to be honest nobody should claim as "theirs". I'm happy of course to explain Dante specific stuff as the point of reference- this makes sense. I'm happy too to share my experience of standard IP networking - but believe it important to draw a line between what is "special sauce" and what is general knowledge.

Simply put... we are trying to help show what are general networking topics, and work with credible trainers there to provide this (IT guys... I have been softening some of them up to provide training).

Audinate are participating in an event in Amsterdam at the same time as ISE on 4th February- this includes leading equipment manufacturers- talking about their equipment. Audinate, talking about Dante and media networking, and just as important there will be a presentation from an enterprise networking training facility on how they work with people in A/V to complete projects and offer training.

It should be a very educational day (and its free) http://www.audinate.com/webmail/AVNW_Feb_2014/AVNW_Feb_2014.html#!

Title: Re: Wired and Wireless networking options for GLD, Dante, WSM, ...
Post by: Kieran Walsh on January 09, 2014, 04:08:57 PM
Kieran,

I'm the OP of this thread.  Back to my original question...

I'm running a GLD112 with Dante and an new (1Gb) airport extreme. Do you think it is reasonable to connect my MacbookPro to the AirPort Extreme by cat cable, and then connect the Dante card (@32x32) and the GLD Ethernet control to the AirPort Extreme Gb ports, or should I run Dante direct to my laptop by cable and connect the laptop wirelessly to the AirPort Extreme for GLD control functions.

There are a few other devices on the network like a DSP and Sennheiser WSM but there would be basically no traffic to these devices during a show.

Even though the airport express doesn't support QoS, it seems like there will be plenty of bandwidth in the airport express for unicast 32x32 to just wire things together without worrying about VLANs

Indeed- back to the point...

This is a really good question... and a good opportunity to go through how I would consider this in a step by step way...

The big unknown here as far as I see it is the airport extreme, and the wired performance therein... i'm trying to find a datasheet to confirm some performance questions I have...
Assuming that the switch between the wired ports is a non-blocking, and completely "dumb" unmanaged switch then the setup you describe "could" be OK... I will keep looking for definitive info on this, and/or devise a test to try this out.

The three ports on the front of the M-Dante card are ports of a Gigabit switch...

The control port has filtering enabled to prevent multicast audio from swamping the control port (it would be advisable to check release notes and firmware update to verify this from A&H - I do know that they have written a very good advisory on some of the extensive testing that they undertake)

It is not clear to me from the quoted description at least whether you are running the M-Dante card in redundant or switched mode. I believe that in either case the control port will filter multicast traffic in the latest firmware version... again - please check with A&H release notes for confirmation - looking at their documentation firmware above 3.5.x should work fine.

SO I would suggest that you connect the control ethernet of the GLD to the control port of the M-Dante card - put the M-Dante card in switched mode, attach the airport extreme to either the "primary" or "secondary" port of the M-Dante card, with your virtual soundcard machine plugged into the other network port of the M-Dante card.

I hope that this covers the main points- please let me know how you get on



Title: Re: Wired and Wireless networking options for GLD, Dante, WSM, ...
Post by: Rob Spence on January 09, 2014, 05:30:03 PM
To the OP

It seems to me you are overthinking this.
I think most current routers ( with a WAP ) that have more than one network connector on the subscriber (as opposed to the internet) side have an integrated non-managed switch inside.  The Netgear box I use has an internet connector of one color and 4 subscriber gigabit network connectors of a different color. For my use with my audio gear, the internet (or outside world) connector is never used. What I use is the four connections to the built in switch and the AP.  I use it with two different mixers.
For the GLD80, I connect the primary Dante port, the console's network port and my MacBook.
For the LS9-32, there are two Dante cards and therefor 2 primary Dante ports.
The iPads connect to the console network port via the AP and the audio goes from the mixer to the MacBook via Dante and the DVS (Dante virtual sound card) for recording.

I have been using this setup with the LS9 for 2 years and the GLD since September with no real problems and no dropout issues with the iPad. The router typically sits on top of the doghouse. There sure seems to be plenty of bandwidth for these 2 uses on a single network.

The Yamaha Dante cards have a DB9 serial port. I never have needed to use it.
The A&H card has a RJ45 network port. I haven't used it either. Should I? Why? I guess I need to find a manual to read up on it?

I am considering installing a 6 or 8 port switch in each doghouse and then a single line out to the router/WAP which would give me some spare network ports to do things like connect both desks up to share inputs or have a second laptop for recording or SMAART or such. Also, then the router/WAP could easily be repositioned for optimal RF range while keeping the cabling neat and simple. This would also give me a port for the Dante control?

If I were going to hand out a dozen iPads for personal mixing, I guess I would consider separating the two networks but I only have 32 or so audio streams going to the MacBook.


Sent from my iPad using Tapatalk HD
Title: Re: Wired and Wireless networking options for GLD, Dante, WSM, ...
Post by: Mark McFarlane on January 09, 2014, 10:52:51 PM
Indeed- back to the point...

This is a really good question... and a good opportunity to go through how I would consider this in a step by step way...

The big unknown here as far as I see it is the airport extreme, and the wired performance therein... i'm trying to find a datasheet to confirm some performance questions I have...
Assuming that the switch between the wired ports is a non-blocking, and completely "dumb" unmanaged switch then the setup you describe "could" be OK... I will keep looking for definitive info on this, and/or devise a test to try this out.

The three ports on the front of the M-Dante card are ports of a Gigabit switch...

The control port has filtering enabled to prevent multicast audio from swamping the control port (it would be advisable to check release notes and firmware update to verify this from A&H - I do know that they have written a very good advisory on some of the extensive testing that they undertake)

It is not clear to me from the quoted description at least whether you are running the M-Dante card in redundant or switched mode. I believe that in either case the control port will filter multicast traffic in the latest firmware version... again - please check with A&H release notes for confirmation - looking at their documentation firmware above 3.5.x should work fine.

SO I would suggest that you connect the control ethernet of the GLD to the control port of the M-Dante card - put the M-Dante card in switched mode, attach the airport extreme to either the "primary" or "secondary" port of the M-Dante card, with your virtual soundcard machine plugged into the other network port of the M-Dante card.

I hope that this covers the main points- please let me know how you get on


Thanks Kieran.  What you suggest, bridging the GLD control to the Dante control, then a single cable from Dante primary to the switch is how I have been running my tests. So far so good.  This system is new, I only have a few hours using it so far.

In my last post I mentioned unicast. I don't see any need for multicast with a single source and receiver of the multitrack audio stream.  Maybe I missed something.

Title: Re: Wired and Wireless networking options for GLD, Dante, WSM, ...
Post by: Kieran Walsh on January 10, 2014, 06:49:04 AM
To the OP

It seems to me you are overthinking this.
I think most current routers ( with a WAP ) that have more than one network connector on the subscriber (as opposed to the internet) side have an integrated non-managed switch inside. 

Rob,

I love this...

As a wider question - I would really like to hear what switches people are actually using? Naturally I have an idea of how many Dante-devices are "out there" and I also have a good idea of how many support cases get to us. Naturally picking up queries about switches from customers is going to give me a bleak view of the world... I don't call the grocery store to congratulate them on the fine quality of the groceries I bought after all (I kinda expect it).

It is true that there are integrated switches in most multiport home accesspoint/residential gateway devices... And to be fair some are going to be fine. I have a no-brand 5-port gigabit switch that I carry in my flight bag for doing demos, which cost me $15. Without a detailed datasheet to confirm that the switch has the following

1. Non-blocking backplane architecture
2. Does not have any kind of feature that may interrupt continual tx and rx (like Energy Efficient Ethernet for example)

Then you are taking a risk.

How much of a risk... well in my case $15 and $15 that paid off...

How did I test this?

I put the switch between 2 known good switches and then hammered traffic through the system. Typically my test involves making as much multicast noise as possible (some switches will handle unicast fine, but do bad things to multicast - so attacking them with what they don't like first is good)

I probably still wouldn't do a show with this box... if only for the reason that I wouldn't want to explain why I was using such a cheap device - there is an old saying "Nobody got fired for buying IBM" ... you could probably put Cisco or HP in this phrase when it comes to networking.

Its quite obvious that whatever works for you is the refreshing answer here... it would be good to share what works because if I divide the number of network questions by the number of devices... I get a really tiny number. The number isn't zero however (it has a lot of decimal places). I have had, and heard of success using Cisco, HP, Juniper, Brocade, Zyxel, Linksys, Netgear TP link etc equipment- obviously models vary, but getting an idea of the ecosystem would be good - (who knows... maybe fabulous prizes could be won!)
Title: Re: Wired and Wireless networking options for GLD, Dante, WSM, ...
Post by: Kieran Walsh on January 10, 2014, 06:53:47 AM


In my last post I mentioned unicast. I don't see any need for multicast with a single source and receiver of the multitrack audio stream.  Maybe I missed something.

If you are using unicast only... life is easier - Dante still uses a small amount of multicast to do the clocking of course... but this is not significant in most circumstances.

My only reason for suggesting a "multicast considered" approach is a Hope for sunshine- Prepare for rain attitude.

If for whatever reason at some point you need to "go multicast" in a hurry... then if you take the steps here, you can just click the button, and carry on doing something more important (in my opinion)

Obviously if it actually cost cash to do this... then I wouldn't be quite so glib about it...