Re: [j-nsp] 400G is coming?

2019-03-19 Thread adamv0025
> Thomas Bellman > Sent: Monday, March 18, 2019 11:26 PM > > On 2019-03-18 23:24 +0200, Saku Ytti wrote: > > > Cheaper is subjective. To a small and dynamic shop CAPEX may represent > > majority of cost. To an incumbent CAPEX may be entirely irrelevant, > > money is cheap, but approving hardware

Re: [j-nsp] 400G is coming?

2019-03-18 Thread Thomas Bellman
On 2019-03-18 23:24 +0200, Saku Ytti wrote: > Cheaper is subjective. To a small and dynamic shop CAPEX may represent > majority of cost. To an incumbent CAPEX may be entirely irrelevant, > money is cheap, but approving hardware to network may be massive > multiyear project. This is why platforms

Re: [j-nsp] 400G is coming?

2019-03-18 Thread Thomas Bellman
On 2019-03-18 21:05 UTC, Tim Rayner wrote: > As I understand it, when a 400G port is enabled, 3 of the 100G ports > are made un-available (not sure whether there is an option for sub-rate > on the 400G port keeping more of the 100G ports available), hence there > will be a limit of 1.5 Tbps per

Re: [j-nsp] 400G is coming?

2019-03-18 Thread Saku Ytti
On Mon, Mar 18, 2019 at 10:48 PM Thomas Bellman wrote: > Gah, I hate that wording. To me it sounds like "sunk cost fallacy" > and "throwing good money after bad"... (I'm not necessarily saying > that applies to these cards. It's just that I have heard the words > "protect your investment" too

Re: [j-nsp] 400G is coming?

2019-03-18 Thread Tim Rayner
> It seems these are oversubscribed to the backplane. 8×100G + 2×400G > is 1.6 Tbit/s, and 12×100G + 3×400G is 2.4 Tbit/s, but all three of > MX240, MX480 and MX960 are listed as having 1.5 Tbit/s max per slot. > (And is that 1.5 Tbit/s in *and* out, or is that just 750 Gbit/s per > direction?)

Re: [j-nsp] 400G is coming?

2019-03-18 Thread Thomas Bellman
On 2019-03-14 13:40 -0400, Andrey Kostin wrote: > Accidentally found that MX series datasheet now mentions MPC-10E with > 400G ports > https://www.juniper.net/assets/us/en/local/pdf/datasheets/1000597-en.pdf [...] > the MPC-10E protects existing investments Gah, I hate that wording. To me it

[j-nsp] 400G is coming?

2019-03-15 Thread Andrey Kostin
Hi juniper-nsp, Accidentally found that MX series datasheet now mentions MPC-10E with 400G ports https://www.juniper.net/assets/us/en/local/pdf/datasheets/1000597-en.pdf "The MPC-10E line card is a key contributor to the service provider transformation in the cloud era when deployed with