[AusNOG] Bidi usage in DC

[Tony Wicks]

In NZ we use bidi extensively as we are very used to being able to buy pretty cheap DF around the place. In Datacentres owned by non local companies I find they are often confused by it (go figure) so its all too hard. Personally, I would always chose bidi if possible, not just for the conservation of ties but also for the fact they work or not instead of the possibility of a one way disconnect. 100G bidi is still more expensive in the optics and less standard, but 10’s are much the same cost as duplex LR’s.

 

 

 

From: AusNOG <ausnog-bounces at lists.ausnog.net> On Behalf Of Mitch Kelly
Sent: Tuesday, 8 April 2025 6:57 pm
To: Alex Samad <alex at samad.com.au>
Cc: Ausnog <ausnog at lists.ausnog.net>
Subject: Re: [AusNOG] Bidi usage in DC

 

We use about 70% of Duplex SFP's these days.

Ive checked and we have a total of 482 BiDi optics. (Half of those terminate in the DC's)

 

 

On Tue, Apr 8, 2025 at 2:40 PM Alex Samad <alex at samad.com.au <mailto:alex at samad.com.au> > wrote:

Hi

 

Wondering whats the percent usage of Bidi (single core SFP / TX RX on same fibre).

 

Just a curiosity. Try to persuade some people to use Bidi over normal SFP's in the DC.

 

 

Alex

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