<div dir="ltr">Patrick,<div><br>Yes, I would say that was quite some time ago. From my most recent quotes from Ciena, they have version 6, version 8, and version 10 products now. I wonder if they have improved (I would hope) over the years. </div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, May 30, 2021 at 10:12 PM Patrick Cole <<a href="mailto:z@amused.net">z@amused.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Colton,<br>
<br>
This was 6+ years ago, SAOS 6.14, so I don't know it might be better now.<br>
<br>
We changed to Cisco ASR920 and it was a night and day difference - we now have<br>
90ish ASR920s in production but are migrating toward the NCS540X.<br>
<br>
Patrick<br>
<br>
Sat, May 29, 2021 at 10:13:13AM -0500, Colton Conor wrote:<br>
<br>
<br>
> Patrick,<br>
> How long ago was this, and what code were they running?<br>
> What do you recommend for aggregation then?<br>
> On Fri, May 28, 2021 at 9:17 PM Patrick Cole <<a href="mailto:z@amused.net" target="_blank">z@amused.net</a>> wrote:<br>
> <br>
> We ran a medium sized mpls network using ciena 3900 and 5000 series<br>
> boxes on our microwave network.<br>
> Nothing but problems, the mpls code was just not mature enough and our<br>
> radio network had the boxes falling apart at the seams as storms rolled<br>
> through. At that time they didn't support FRR or proper CSPF so<br>
> everything had to be manually engineered active standby LSPs. Not sure<br>
> if things have changed now. These boxes have Nortel vintage and they<br>
> seemed best delloyed using PBB TE as it was mature. <br>
> As an NID though they are not a bad option but not in core or<br>
> aggregation IMHO. <br>
> <br>
> On 29 May 2021 08:49:51 Colton Conor <<a href="mailto:colton.conor@gmail.com" target="_blank">colton.conor@gmail.com</a>> wrote:<br>
> <br>
> Yes, I was surprised as you that they have these routing features. I<br>
> was also surprised they had multiple boxes that compete with<br>
> aggregation devices like the ACX5048. The question is how good is<br>
> Ciena's MPLS, switching, and routing stack compared to the established<br>
> players of Juniper, Cisco, and Nokia? Ciena is no small company, so I<br>
> think they would have the resources to make it happen.<br>
> On Fri, May 28, 2021 at 12:32 PM <<a href="mailto:aaron1@gvtc.com" target="_blank">aaron1@gvtc.com</a>> wrote:<br>
> <br>
> Wow, ciena has the means to implement SR and MPLS services? I mean<br>
> they run the underlying LS IGP to signal those SIDâ**s ?? I<br>
> didnâ**t know that. I may look at them in the future then. I<br>
> thought Ciena just did some sort of static mpls-tp or somethingâ*¦<br>
> <br>
> <br>
> <br>
> We use Accedian as NIDâ**s with SkyLight director for PAA (SLA<br>
> stuff)â*¦and uplink those into our network at (yester-year, Cisco<br>
> ME3600â**s and ASR9000â**s), but now, ACX5048 and MX204<br>
> <br>
> <br>
> <br>
> -Aaron<br>
> <br>
> <br>
<br>
-- <br>
Patrick Cole <<a href="mailto:patrick.cole@spirit.com.au" target="_blank">patrick.cole@spirit.com.au</a>><br>
Chief Engineer<br>
Spirit Technology Solutions<br>
19-25 Raglan St, South Melbourne VIC 3205<br>
Desk: 0385541391<br>
Mobile: 0410626630<br>
</blockquote></div>