Wired Networks Thread, HP Procurve 10GB Network Backbone Switching in Technical; ...
14th November 2011, 04:21 PM #16
I wasn't advocating site wide usage. We put in 10GB/s links to our English/maths and Science blocks (and a 1GB/s failover between the two) , it's only 4 modules so probably about £4k + OM3 (around £600 IIRC). Both areas (science) and English/Maths each have around 200 machines and access points in every classroom (20). Are you seriously telling me I should run upto 800 x 100Mb/s machines on a 2GB/s link?? - it would be the same as running 100 machines on a 250Mb/s connection. What I'm doing is essentially giving each 100 machines just over 1GB/s, which seems quite reasonable to me??
14th November 2011, 04:37 PM #17
a campus wide roll out of 10Gbe wouldnt get further than "pie in the sky" let alone approved as in most cases its not required (for example we had a fibre break and we used a temp wireless bridge without complaints)
more a case of the core of the network needs updating and looking at various options open to use.
14th November 2011, 07:53 PM #18
At my place we have the capacity for the 10GBe stuff for the future. We have a 10GBe link to our lower site when that comes online, that is it, we are happy with bonded links of fibre and copper to the edges. We feel that yes 10GBe is becoming more affordable but its still at a high price tag and bonding existing copper and fibre is cheap enough to do so its just wasting money in this climate to put al the 10GBe stuff around, it would be nice but having just done a major network upgrade with to our new Juniper LAN with the excellent, in-fact out of this world support from Net-Ctrl we can say that 10GBe is nice but very costly.
14th November 2011, 10:03 PM #19
We are however using 10Gbe in our iSCSI Sans and Servers.
Direct Cable connections are an awesome way to link servers to Sans or switches for under £100 per link.
The HP ones are here http://h18000.www1.hp.com/products/q.../13286_div.PDF
The Netgear 3m is only £80 but knowing how HP block using non HP modules I wouldnt recommend using a non HP cable in an HP slot unless anyone here knows for certain that they work!
16th November 2011, 11:09 AM #20
- Rep Power
i'd be really surprised if you need 10Gb. have you looked at current link utilisation? Show Interface on a procurve switch will give you % utilisation.
16th November 2011, 11:27 AM #21
To be 100% honest here, this is irrelevant - network infrastructure being put in now would have a life expectancy of what? 10 years or more? So, in 10 years, will you be saying that network requirements will still be 1 or 2GB/s on backbones?
Originally Posted by paulfinlay
16th November 2011, 11:31 AM #22
- Rep Power
By all means if you have the money go for it. Although if it were my budget I'd be aggregating 1Gb links.
16th November 2011, 11:37 AM #23
Whoa breaking the mold, someone speaking sense at last!
Originally Posted by IanT
Future proofing aside, i agree with IanT, i honestly think any school would have to do some very thorough analysis of it's network and where it's going in the future years to justify 10GB
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