From: gtaylor@tnetconsulting.net   
      
   On 1/3/20 11:45 PM, Robert Wessel wrote:   
   > 10Gb and faster services are specialized.  You need to talk to an ISP   
   > providing that service, and you'll often need to arrange for a fiber   
   > to their facilities (usually you can lease a dark one), often from   
   > some other vendor.   
      
   I think I've heard some noise about Ten Gigabit Passive Optical   
   Networks.  Though I've not heard of any actual deployments yet.   
      
   > 40Gb carrier Ethernet is commonly available in metropolitan areas,   
   > as well as other choices.  SONET circuits leased from a telco are   
   > pretty common.   
      
   I thought that 10 Gbps Ethernet wasn't compatible with SONET / SDH.   
   Maybe there are other speeds that are comparable or that would otherwise   
   suffice.   
      
   Is SONET / SDH being used for anything faster than 10 Gbps?   
      
   > If you want multiple feeds, you need to get assigned an Autonomous   
   > System number, and a big enough block of IP addresses to be routable   
   > (generally anything smaller than a /24 won't be advertised).   
   > Then you need to run BGP4 on the routers connecting your company to   
   > the outside world.  Slight modifications of the above for IPv6.   
      
   Multiple feeds from the same ISP don't require that.  Multiple ISPs can   
   work with provider dependent IPs, but you'd likely want to step up to   
   provider independent which would require an ASN and IP range /24 or larger.   
      
   > But you need to find a ISP in your area providing that service,   
   > and then figure out how to get connected to them (the carrier may be   
   > able to help).  At some point you might need to pay to run the fiber   
   > yourself, then pay for the facilities on which it runs.   
      
   Oy vey.  Accessing right-of-way as an independent party is possible, but   
   is quite complicated, time consuming, and expensive.   
      
      
      
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   Grant. . . .   
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