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post #11 of 51
Quote:
Originally Posted by Shub View Post

Just for your reference though, 100% 10 GbE switches with RJ-45 ports do exist: http://www.dell.com/us/business/p/powerconnect-8100/pd (just an example) but SFP is still more common.
"Dell Price $1353600" blinksmiley.gif
Quote:
Originally Posted by darksideleader View Post

Don't forget 10 gigabit nics... they cost a lot too. Home HTPC only needs a gigabit...
To be fair, you can stream HD content over 100Mb easily enough
post #12 of 51
I have a server like you have envisioned that streams to HTPCs and out to the WAN over SSH while we are away.
Even 100 mbit is sufficient for streaming blu ray content, 1x is rated at 54 mbps (that's bits, not bytes. 8 bits in a byte makes that around 6.75 MB/sec).

10 gbps isn't worth it for this type of deployment.

Here's a result set of iptraf while I'm streaming a ~13.11 GB MKV to my desktop:
Code:
x Total rates:      14876.7 kbits/sec        Broadcast packets:            0                                     x
x                    1453.0 packets/sec      Broadcast bytes:              0                                     x
x                                                                                                                x
x Incoming rates:     108.3 kbits/sec                                                                            x
x                     195.8 packets/sec                                                                          x
x                                            IP checksum errors:           0                                     x
x Outgoing rates:   14768.4 kbits/sec                                                                            x
x                    1257.2 packets/sec                                                                          x
x

As you can see that isn't even 15 mbps.

Edit: The file has a video run time of 2.5 hours. If you divide out the transfer rate, you would actually finish transferring the entire file in around 2 hours at 15 mbit (15/8 = 1.875 MB/sec, 13.11*1024/1.875/60/60=~1.99 hours)
Edited by beers - 6/3/13 at 5:58am
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post #13 of 51
Quote:
Originally Posted by beers View Post

I have a server like you have envisioned that streams to HTPCs and out to the WAN over SSH while we are away.
Even 100 mbit is sufficient for streaming blu ray content, 1x is rated at 54 mbps (that's bits, not bytes. 8 bits in a byte makes that around 6.75 MB/sec).
Indeed. Most of my HTPCs (and I do have a few in the house) are 100Mb. The server is gigabit though - just so i can run multiple streams to different boxes simultaneously (does happen fairly often)
Quote:
Originally Posted by beers View Post

10 gbps isn't worth it for this type of deployment.
I doubt he even be able to read the data off disk quick enough to even notice any performance > 1GbE
post #14 of 51
What format and compression are you guys using for your bluray content? A single bluray stream with nothing else hovers just a little over 50 mbps for me with spikes to 80 or so. I have never gotten smooth playback with a wireless 65 mbps connection.

Also let me clarify my post earlier about saturating a full GB/s link so no one thinks I am a nutter. Around 3 full on bluray streams of not just the video but essentially the entire disk (most of mine are 35 gigs) in addition to all my other traffic can and will saturate a single gigabit link coming out of my servers. The other traffic takes the largest portion of available bandwidth and that is not the norm for most people.
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post #15 of 51
Quote:
Originally Posted by Kylepdalton View Post

What format and compression are you guys using for your bluray content? A single bluray stream with nothing else hovers just a little over 50 mbps for me with spikes to 80 or so. I have never gotten smooth playback with a wireless 65 mbps connection.
80Mb < 100Mb tongue.gif

I was talking about Bluray disk images (ie I've not re-encoded / transcoded the content into any other codec nor compression ratio).

I've been able to play HD content over wifi pretty easily as well (35Mb/s connection as wireless is pretty crappy in my house). But that was transcoded content.
Edited by Plan9 - 6/3/13 at 7:32am
post #16 of 51
Thread Starter 
Are you referring to Mbps or MB/s?

Talking to Kyle to his latest post.

Also, isn't 100 Mbps about 12.5 MB/s. what would be a good bandwidth if three separate tvs were streaming bluray at the same time. Here is another question. I have no idea how storage is capable of multitasking. Can three seperate tvs access the same file at the same time or three seperate files at the same on the same disk. Am I starting to inadvertently ask questions about Raid or NAS?
Edited by Curious Andre - 6/3/13 at 8:53am
post #17 of 51
Thread Starter 
Sorry guys. I have tons of questions. As far as transcoding and compression you are talking about programs that do that for you? Or are you all super geniuses (which I have no doubt regardless) and doing this all yourselves? Sorry if some of my questions are a little naive.
post #18 of 51
Quote:
Originally Posted by Curious Andre View Post

Can three seperate tvs access the same file at the same time or three seperate files at the same on the same disk.
Yes and yes.

You don't need to worry about things from that regard
post #19 of 51
Quote:
Originally Posted by Kylepdalton View Post

What you want to do is quite easy really. I do almost exactly what you are trying. I have a GigE based network and it works just fine for streaming to multiple places. I have a central PC with two cable cards as well as a HD Homerun. I can record 5 or 6 cable streams at once to the main PC. That machine is running W8 with WMC . The W8 machine holds the recordings for a bit and then shifts them off to my homeserver. Once there, any machine on my network can watch recorded stuff and they can access the networked homerun for live TV if they want. I don't have any extenders and have never used one either so I can't quote on that. I just have a bunch of mini PCs around for my TVs.

I actually like WMC for the most part. There are some customizations that can be done for W7 clients that make it better. The areas where it lacks are incorporating other services. Myself I have Amazon prime, netlifx, hulu plus, play on, playlater and Vudo and Epix accounts. The play on and netflix have WMC apps but the rest do not which is a bit of a pain.

There aren't a lot of options for DVR software really. MythTV and XBMC having working solutions but they still have issues. All the programs will take up the same amount of bandwidth so as long as you have the equipment it will be fine. I can and have fully saturated a GigE connection when streaming to multiple devices (two full blu-ray streams with additional network traffic). With that in mind I keep my high res content on my faster drives and regular TV recordings on slower drives. I now have server NICs in my machines that are teamed for a 2 Gb uplink which I can not saturate with just media streaming under normal conditions.

It all depends on how much you want to spend and how much media you need to push out. If you have a lot of media I would focus on storage more than anything. You will end up with a lot of content. I have about 4 TB of recorded TV, 3 TB of Movies, and 600 gigs of music and because of that I have a dedicated recording machine, dedicated HTPCs, and lots of storage space.

I think I answered your questions and then some but I'll be happy to answer more or clarify. My media setup is crazy considering I live by myself in a two bedroom apartment with 4 TVs. rolleyes.gif

Nice. Definitely jealous of that setup. I'm not sure if it's applicable, but this is one of the best networking tips/examples I've seen:
http://www.youtube.com/watch?v=ycbq_gTqT5M

Linus is beyond awesome. If only that network card wasn't $1000
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post #20 of 51
Quote:
Originally Posted by tuffy12345 View Post

Nice. Definitely jealous of that setup. I'm not sure if it's applicable, but this is one of the best networking tips/examples I've seen:
http://www.youtube.com/watch?v=ycbq_gTqT5M

Linus is beyond awesome. If only that network card wasn't $1000

You don't need one of those network cards to do that. Linux and FreeBSD's kernel supports doing that over multiple different NICs. Though the set up is quite fiddly.

In fact at one point I was going to make use of a spare gigabit card I had to run a 2GbE link on my NAS - can't remember what changed my mind (probably the fact that rarely - if ever - saturate my NAS's network i/o
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