Also, you may want to check out http://traffic-control-cdn.net/ - we use that to manage a large scale CDN based on Traffic Server that serves quite a bit of video.
Rgds, JvD > On Oct 10, 2015, at 04:45, Theo Hoogerheide > <theo.hoogerhe...@h2b-consulting.nl> wrote: > > Hi Randeep, > > Did someone already jump in off-list? > > We do sort-of the same in Germany. > If no-one has stepped up yet, I can possibly help you out with some of your > design-issues.. > > Kind regards, > > Theo > >> On 10 Oct 2015, at 11:15, Randeep <randeep...@gmail.com> wrote: >> >> Hi All, >> >> We are planning to set up our digital headend for live tv channels over IP. >> We have our own nation wide MPLS vpn. We will be using videos in encrypted >> MPEG dash and encrypted HLS. >> >> In our MPLS we have POPs at main cities in India. >> >> Our headend is in Bangalore. And POPS are in other cities in other states. >> >> What I'm thinking is to have a main(parent) caching server in Bangalore in >> the headend which takes the videos from video packagers and all the other >> POPs can have Child caching servers. >> >> And in the places where more users are there, we can place another caching >> server which is child to the POP caching server. >> >> Is that design is fine? >> >> We are planning 300+ live channels + VODs. As the channels are live, we are >> planning to keep only 4s of data in the cache. >> >> Our settings in the video packages is like that the dash manifest file will >> be refreshed at every 10s. >> >> What kind of servers we need to have as parent and child?How much RAM and >> CPU they should have.. >> >> And how I can force the video chunks to cache in the RAM instead of disk. >> I'm getting more HITs than MEM_HITs >> >> Please help me sizing these servers and correcting the design if there is >> some mistakes. >> >> -- >> Randeep >> Mob: +919447831699[kerala] >> Mob: +919880050349[B'lore] >> http://twitter.com/Randeeppr >> http://in.linkedin.com/in/randeeppr >