RE: Are there inexpensive DWDM products?

2017-11-03 Thread Eric C. Miller 
These guys are pretty inexpensive. Take it for what it is :)

https://www.sfpcables.com/cisco-cwdm-oadm-series



Eric Miller, CCNP
Network Engineering Consultant



-Original Message-
From: NANOG [mailto:nanog-bounces+eric=ericheather@nanog.org] On Behalf Of 
Adnan Ahmed
Sent: Friday, November 3, 2017 9:26 AM
To: Hank Nussbacher 
Cc: nanog@nanog.org
Subject: Re: Are there inexpensive DWDM products?

Also look at these guys,
https://www.optelian.com/products/dwdm-optical-multiplexing/

On Fri, Nov 3, 2017 at 1:10 AM, Hank Nussbacher 
wrote:

> On 02/11/2017 20:01, LF OD wrote:
>
> Try: https://www.packetlight.com/
>
> -Hank
>
> > We have several buildings and a couple data centers spread around 
> > the
> city and interconnected via dark fiber. It's a very simple setup - no 
> ROADM, no real ring, no extended layer-2 or layer-3 via the optical gear.
> >
> >
> > Pretty much we just mux/demux a channel for each building so that 
> > each
> building sees the two data centers directly even though the fiber span 
> may wind through a couple buildings along the way. In some cases, the 
> distance is short enough to use colored optics in the network gear, 
> but mostly the distances are just long enough to warrant transponder cards.
> >
> >
> > All that being said, a lot of the gear is approaching end of life
> (support in some cases). I'm not an optical guru but I can muddle my 
> way through with Cisco ONS and I'm aware that Ciena and Fujitsu also 
> have similar products. We really don't have budget for a large optical 
> refresh effort. However, we've saved some money here and there in the 
> routing/switching arena by leveraging Arista and even Cumulus. I'm 
> wondering if there are smaller players in the optical arena that have 
> a good quality/price value?
> >
> >
> > Again, we don't need sophisticated features... we primarily have 
> > 2-to-4
> 1Gb and 10Gb ports required per site, then we mux those onto a 
> wavelength and extend it to the two data centers. Most buildings are 
> set up the same way, each on a different wavelength so the don't even see 
> each other...
> only the data centers.
> >
> >
> > If you guys know of any optical gear that you can vouch for (and 
> > which
> costs less than a small house), we would greatly appreciate it. Thanks
> >
> >
> > LFOD
> >
>
>

Weekly Routing Table Report

2017-11-03 Thread Routing Analysis Role Account 
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG, CaribNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG and the RIPE Routing WG.

Daily listings are sent to bgp-st...@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith .

Routing Table Report   04:00 +10GMT Sat 04 Nov, 2017

Report Website: http://thyme.rand.apnic.net
Detailed Analysis:  http://thyme.rand.apnic.net/current/

Analysis Summary


BGP routing table entries examined:  667790
Prefixes after maximum aggregation (per Origin AS):  260185
Deaggregation factor:  2.57
Unique aggregates announced (without unneeded subnets):  322511
Total ASes present in the Internet Routing Table: 58913
Prefixes per ASN: 11.34
Origin-only ASes present in the Internet Routing Table:   50897
Origin ASes announcing only one prefix:   22398
Transit ASes present in the Internet Routing Table:8016
Transit-only ASes present in the Internet Routing Table:242
Average AS path length visible in the Internet Routing Table:   4.3
Max AS path length visible:  35
Max AS path prepend of ASN ( 55644)  31
Prefixes from unregistered ASNs in the Routing Table:95
Number of instances of unregistered ASNs:95
Number of 32-bit ASNs allocated by the RIRs:  20457
Number of 32-bit ASNs visible in the Routing Table:   16298
Prefixes from 32-bit ASNs in the Routing Table:   67031
Number of bogon 32-bit ASNs visible in the Routing Table:   112
Special use prefixes present in the Routing Table:0
Prefixes being announced from unallocated address space:398
Number of addresses announced to Internet:   2857996768
Equivalent to 170 /8s, 89 /16s and 145 /24s
Percentage of available address space announced:   77.2
Percentage of allocated address space announced:   77.2
Percentage of available address space allocated:  100.0
Percentage of address space in use by end-sites:   98.7
Total number of prefixes smaller than registry allocations:  219841

APNIC Region Analysis Summary
-

Prefixes being announced by APNIC Region ASes:   184650
Total APNIC prefixes after maximum aggregation:   52789
APNIC Deaggregation factor:3.50
Prefixes being announced from the APNIC address blocks:  183706
Unique aggregates announced from the APNIC address blocks:75656
APNIC Region origin ASes present in the Internet Routing Table:8454
APNIC Prefixes per ASN:   21.73
APNIC Region origin ASes announcing only one prefix:   2365
APNIC Region transit ASes present in the Internet Routing Table:   1217
Average APNIC Region AS path length visible:4.4
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3310
Number of APNIC addresses announced to Internet:  766542560
Equivalent to 45 /8s, 176 /16s and 130 /24s
APNIC AS Blocks4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
   58368-59391, 63488-64098, 64297-64395, 131072-137529
APNIC Address Blocks 1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
   106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
   116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
   123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
   163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
   203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
   222/8, 223/8,

ARIN Region Analysis Summary


Prefixes being announced by ARIN Region ASes:200115
Total ARIN prefixes after maximum aggregation:96679
ARIN Deaggregation factor: 2.07
Prefixes being announced from the ARIN address blocks:   201624
Unique aggregates announced from the ARIN address blocks: 94254
ARIN Region origin ASes present in the Internet Routing Table:18002
ARIN Prefixes per ASN:

Re: Are there inexpensive DWDM products?

2017-11-03 Thread Adnan Ahmed 
Also look at these guys,
https://www.optelian.com/products/dwdm-optical-multiplexing/

On Fri, Nov 3, 2017 at 1:10 AM, Hank Nussbacher 
wrote:

> On 02/11/2017 20:01, LF OD wrote:
>
> Try: https://www.packetlight.com/
>
> -Hank
>
> > We have several buildings and a couple data centers spread around the
> city and interconnected via dark fiber. It's a very simple setup - no
> ROADM, no real ring, no extended layer-2 or layer-3 via the optical gear.
> >
> >
> > Pretty much we just mux/demux a channel for each building so that each
> building sees the two data centers directly even though the fiber span may
> wind through a couple buildings along the way. In some cases, the distance
> is short enough to use colored optics in the network gear, but mostly the
> distances are just long enough to warrant transponder cards.
> >
> >
> > All that being said, a lot of the gear is approaching end of life
> (support in some cases). I'm not an optical guru but I can muddle my way
> through with Cisco ONS and I'm aware that Ciena and Fujitsu also have
> similar products. We really don't have budget for a large optical refresh
> effort. However, we've saved some money here and there in the
> routing/switching arena by leveraging Arista and even Cumulus. I'm
> wondering if there are smaller players in the optical arena that have a
> good quality/price value?
> >
> >
> > Again, we don't need sophisticated features... we primarily have 2-to-4
> 1Gb and 10Gb ports required per site, then we mux those onto a wavelength
> and extend it to the two data centers. Most buildings are set up the same
> way, each on a different wavelength so the don't even see each other...
> only the data centers.
> >
> >
> > If you guys know of any optical gear that you can vouch for (and which
> costs less than a small house), we would greatly appreciate it. Thanks
> >
> >
> > LFOD
> >
>
>