Re: SDN - Killer Apps

2013-02-25 Thread Per Carlson
Hi Glen. Here's some thoughts how Networking can learn from SDN: http://forums.juniper.net/t5/The-New-Network/Decoding-SDN/ba-p/174651 /Pelle

Re: Packet over SONET failback

2011-02-14 Thread Per Carlson
Hi Jason. >>> PoS failure detection happens in under 50ms IMHO this is the most important part, fast *down* detection. > It's not actually SONET all the way through. It's GigE from the router to > the SONET node, an unprotected OC192 wave to another node, out GigE to the > far end router. If

Re: Using IPv6 with prefixes shorter than a /64 on a LAN

2011-01-31 Thread Per Carlson
> At AMSIX, a Cisco 12000 running IOS will get into trouble with the 170pps of > ND seen there. AMSIX doesn't do MLD snooping so everybody gets everything > and on IOS 12000 ND is punted to RP and when it's busy with calculating BGP, > it'll start dropping BGP sessions. Really? I've tried to dupli

Re: Another v6 question

2011-01-28 Thread Per Carlson
Hi Owen. > The downside is that it doesn't provide enough bits for certain kinds of > auto-topology > management that are being considered by CE vendors. I highly recommend /48 > instead. I've seen this claim (you need a /48) from your side several times, but never seen any explanation why a /5

Re: network name 101100010100110.net

2010-10-16 Thread Per Carlson
Technically, no. But you probably fancy annoying people. I wouldn't imaging anyone typing that right on the first attempt. On 17 Oct 2010 06:47, "Day Domes" wrote: > I have been tasked with coming up with a new name for are transit data > network. I am thinking of using 101100010100110.net does

Re: P2P link over STM-1

2010-10-07 Thread Per Carlson
If it's a full STM-1, your client might be thinking of POS (packet over sonet/sdh). This is (were) a very common high bandwidth technology some years ago. At least the 7200 do have cheap POS interfaces. -- Pelle (sorry about the top-posting, I'm on a mobile device)

Re: Vyatta as a BRAS

2010-07-14 Thread Per Carlson
> Is the CRS-1 hardware or software? > Lots of custom hardware in there - but lots of processing cores that look > suspiciously like software engines too. It might well be software engines in there, but that's not the point here. The linecards (MSC/PLIM etc.) in a CRS is designed to handle wirerat