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[arstechnica] Here comes 5Gbps networking over standard cables

post #1 of 76
Thread Starter 
http://arstechnica.com/gadgets/2016/09/5gbps-ethernet-standard-details-8023bz/
Quote:
IEEE has approved the 802.3bz standard: 2.5Gbps over Cat 5e, 5Gbps over Cat 6.

Pretty cool news if you care about networking speeds. Should be a cash cow for 2.5 and 5Gb/s NIC's, switches, routers, etc.
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post #2 of 76
Awesome news. Am i right in saying that a firmware upgrade will allow existing 1GB hardware to be compatible or is it just the cables that dont need upgrading?
   
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post #3 of 76
Eh. 10 GbE NICs are like $15 on eBay with 10G fibre transceivers costing only a bit more. Switches with enough SFP+ ports are the only costly thing.
post #4 of 76
Quote:
Originally Posted by SystemTech View Post

Am i right in saying that a firmware upgrade will allow existing 1GB hardware to be compatible or is it just the cables that dont need upgrading?

I'm pretty sure new NICs will be needed.
Quote:
Originally Posted by xxdarkreap3rxx View Post

Eh. 10 GbE NICs are like $15 on eBay with 10G fibre transceivers costing only a bit more. Switches with enough SFP+ ports are the only costly thing.

Rewiring a whole building can be costly too.

Not an issue for people building new who can use the newest standards (CAT 7a or 8.1/8.2, if they wait a bit), but for those who already have CAT5e in their walls, pulling all of that and running new cable can easily cost more than the entire rest of a 10Gbps network.
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post #5 of 76
Quote:
Originally Posted by Blameless View Post

Rewiring a whole building can be costly too.

Not an issue for people building new who can use the newest standards (CAT 7a or 8.1/8.2, if they wait a bit), but for those who already have CAT5e in their walls, pulling all of that and running new cable can easily cost more than the entire rest of a 10Gbps network.

Eh, depends on the house.
post #6 of 76
When will routers adopt the standard? Chances are they will sell entirely new routers, rather than provide firmware upgrades to existing gigabit routers. Typical greed.
post #7 of 76
Thread Starter 
Quote:
Originally Posted by xxdarkreap3rxx View Post

Eh. 10 GbE NICs are like $15 on eBay with 10G fibre transceivers costing only a bit more. Switches with enough SFP+ ports are the only costly thing.

That's wonderful, Guess how many businesses and homes did their homework and installed Cat6a or Cat7 ahead of time...

0
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post #8 of 76
Quote:
Originally Posted by Jayjr1105 View Post

That's wonderful, Guess how many businesses and homes did their homework and installed Cat6a or Cat7 ahead of time...

0

I was talking about fibre not copper. Can be very easy to put in depending on the house.
post #9 of 76
Quote:
Originally Posted by Jayjr1105 View Post

That's wonderful, Guess how many businesses and homes did their homework and installed Cat6a or Cat7 ahead of time...

0

Not entirely true, My work just built two brand new buildings both fully wired with Cat6a. I don't think it would be common for companies to start replacing cable to cat6a or higher but definitely those who are building brand new are installing more future proof cabling, we are atleast.

EDIT

I will add though, our IT Director also manages all of the capital projects. Basically everything is designed by or through him so he knows his stuff (lol)
Edited by drazah - 9/30/16 at 7:43am
post #10 of 76
Quote:
Originally Posted by xxdarkreap3rxx View Post

Eh. 10 GbE NICs are like $15 on eBay with 10G fibre transceivers costing only a bit more. Switches with enough SFP+ ports are the only costly thing.

That is fiber though, and does not use the RJ45 connector that most everything uses. And pretty much the only cheap 10GbE method.

As getting a 10GbE NIC that uses RJ45 Cat 6+ is costly. And while it has been out for a very long time, it has yet to be a standard.

I have no idea why it is not a standard on nearly all computer motherboards yet, I can only guess they are keeping the prices high to keep profits up.


I don't get why we would use a slower networking standard as the new default than one that already offers faster speeds and has been out for nearly a decade. But I would happily use it, I already max out 1GbE pretty easily with transfer speeds between my desktop and server.
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