Re: Multicast traffic % in enterprise network ?

2018-08-10 Thread Alan Buxey
when i was last on a proper working multicast-enabled UK university network, could pick up the BBC streams (TV and radio) using VLC :) alan

Re: Multicast traffic % in enterprise network ?

2018-08-10 Thread Brandon Butterworth
On Fri Aug 10, 2018 at 01:02:38PM +0100, James Bensley wrote: > Do they offer multicast to iPlayer to these partners or only > for set-top-box services? Only to STB currently, with little end user device support for multicast it didn't go anywhere as a direct consumer proposition. The ISPs with

Re: Multicast traffic % in enterprise network ?

2018-08-10 Thread Brandon Butterworth
On Fri Aug 10, 2018 at 08:44:55AM +0100, Jethro R Binks wrote: > In terms of other Internet use, the BBC recently published this white > paper on the R efforts with HTTP Server Push/QUIC, part of which > describes an "experimental IP multicast profile of HTTP over QUIC". > >

Re: Multicast traffic % in enterprise network ?

2018-08-10 Thread James Bensley
On 10 August 2018 at 08:44, Jethro R Binks wrote: > > In terms of other Internet use, the BBC recently published this white > paper on the R efforts with HTTP Server Push/QUIC, part of which > describes an "experimental IP multicast profile of HTTP over QUIC". > >

Re: Multicast traffic % in enterprise network ?

2018-08-10 Thread Jethro R Binks
In terms of other Internet use, the BBC recently published this white paper on the R efforts with HTTP Server Push/QUIC, part of which describes an "experimental IP multicast profile of HTTP over QUIC". https://www.bbc.co.uk/rd/publications/whitepaper336 Jethro. . . . . . . . . .

Re: Multicast traffic % in enterprise network ?

2018-08-09 Thread Greg Shepherd
On Thu, Aug 9, 2018 at 11:41 AM, Curtis, Bruce wrote: > > Multicast was also required for earlier versions of VXLAN. But later > versions or VXLAN only require unicast. > > For the far future it seems like Named Data Neworking, Content Centric > Networking, Information Centric Networking, Data

Re: Multicast traffic % in enterprise network ?

2018-08-09 Thread Curtis, Bruce
Multicast was also required for earlier versions of VXLAN. But later versions or VXLAN only require unicast. For the far future it seems like Named Data Neworking, Content Centric Networking, Information Centric Networking, Data Centric Networking etc all list multicast as a requirement or

Re: Multicast traffic % in enterprise network ?

2018-08-09 Thread James Bensley
On 9 August 2018 at 13:57, Saku Ytti wrote: > On Thu, 9 Aug 2018 at 15:27, James Bensley wrote: > >> A recent customer uses multicast to have the same packet arrive at >> multiple destinations at the same time for resilience (their own >> internal systems, not IPTV or media etc). Having just

Re: Multicast traffic % in enterprise network ?

2018-08-09 Thread Saku Ytti
On Thu, 9 Aug 2018 at 15:27, James Bensley wrote: > A recent customer uses multicast to have the same packet arrive at > multiple destinations at the same time for resilience (their own > internal systems, not IPTV or media etc). Having just refreshed their > network for the next 5-10 years it's

Re: Multicast traffic % in enterprise network ?

2018-08-09 Thread James Bensley
On 8 August 2018 at 19:49, Mankamana Mishra (mankamis) via NANOG wrote: > Hi Every one, > Recently we had good discussion over multicast uses in public internet. From > discussion, it was pointed out uses of multicast is more with in enterprise. > Wanted to understand how much % multicast

Re: Multicast traffic % in enterprise network ?

2018-08-09 Thread Thomas Bellman
On 2018-08-08 23:36, na...@jack.fr.eu.org wrote: > Let me fix that for you. > Using multicast on IPv6 grant us the ability to do more. > Today, this is worthless. > Will it be the same tomorrow ? Problem is, to handle the Neigbour Discovery design (16M multicast groups), we need hardware that

Re: Multicast traffic % in enterprise network ?

2018-08-08 Thread Brian Knight
On 2018-08-08 13:49, Mankamana Mishra (mankamis) via NANOG wrote: Hi Every one, Recently we had good discussion over multicast uses in public internet. From discussion, it was pointed out uses of multicast is more with in enterprise. Wanted to understand how much % multicast traffic present in

Re: Multicast traffic % in enterprise network ?

2018-08-08 Thread Daniel Corbe
On 8/8/2018 18:22:04, "Scott Weeks" wrote: --- j...@depaul.edu wrote: From: John Kristoff :: In my experience, real world IP multicast experience :: and expertise is almost non-existent. Major snippage, but these're my experiences, too. However, not in the .edu world. scott I've

Re: Multicast traffic % in enterprise network ?

2018-08-08 Thread Scott Weeks
--- j...@depaul.edu wrote: From: John Kristoff :: In my experience, real world IP multicast experience :: and expertise is almost non-existent. :: but it tends to just work once setup and rarely :: changes. :: the setup was done a long time ago and people rarely :: touch it now. :: If

Re: Multicast traffic % in enterprise network ?

2018-08-08 Thread John Kristoff
On Wed, 8 Aug 2018 18:49:52 + "Mankamana Mishra (mankamis) via NANOG" wrote: > * If there is any data which can provide what % of traffic is > multicast traffic. And if multicast is removed, how much unicast > traffic it would add up? Good question about the volume (and frequency). I

Re: Multicast traffic % in enterprise network ?

2018-08-08 Thread nanog
s/NDP/MLD/ On 08/08/2018 11:36 PM, na...@jack.fr.eu.org wrote: > On 08/08/2018 11:27 PM, Saku Ytti wrote: >> On Wed, 8 Aug 2018 at 23:53, Stan Barber wrote: >> Another 'we fixed a problem in IPv6', which turned out to be worse >> than the original problem and was quietly ignored in practical >>

Re: Multicast traffic % in enterprise network ?

2018-08-08 Thread nanog
On 08/08/2018 11:27 PM, Saku Ytti wrote: > On Wed, 8 Aug 2018 at 23:53, Stan Barber wrote: > Another 'we fixed a problem in IPv6', which turned out to be worse > than the original problem and was quietly ignored in practical > networks. > Let me fix that for you. Using multicast on IPv6 grant

Re: Multicast traffic % in enterprise network ?

2018-08-08 Thread Arie Vayner
ulticast. > > > These questions is to work / discussion in IETF to see what is pain > > points for multicast, and how can we simplify it. > > The amount of multicast traffic on an enterprise network will depend > greatly on how multicast is being used, and to some exte

Re: Multicast traffic % in enterprise network ?

2018-08-08 Thread Greg Shepherd
Financial exchanges around the world use multicast. On Wed, Aug 8, 2018 at 1:31 PM, Stan Barber wrote: > As someone else remarked, part of this will depend on the type of network > you are profiling. One enterprise networking may have critical internal > applications that depend on multicast to

Re: Multicast traffic % in enterprise network ?

2018-08-08 Thread Saku Ytti
On Wed, 8 Aug 2018 at 23:53, Stan Barber wrote: > but the basic requirements of the network itself (e.g. IPv6 uses multicast > instead of broadcast for some network control information distribution). This is almost never true, it's rare exception rather than common case. The idea was that in

Re: Multicast traffic % in enterprise network ?

2018-08-08 Thread Justin M. Streiner
to know if there is real deployment problems or its pain to deploy multicast. These questions is to work / discussion in IETF to see what is pain points for multicast, and how can we simplify it. The amount of multicast traffic on an enterprise network will depend greatly on how multicast is being

Re: Multicast traffic % in enterprise network ?

2018-08-08 Thread Stan Barber
As someone else remarked, part of this will depend on the type of network you are profiling. One enterprise networking may have critical internal applications that depend on multicast to work and others may have nothing but the basic requirements of the network itself (e.g. IPv6 uses multicast

Re: Multicast traffic % in enterprise network ?

2018-08-08 Thread Curtis, Bruce
On Aug 8, 2018, at 3:29 PM, na...@jack.fr.eu.org wrote: I believe multicast is only used for IPTV There is at least one company that is using multicast for video switching, or in other words to replace HDMI switchers in rooms with video sources and displays.

Re: Multicast traffic % in enterprise network ?

2018-08-08 Thread nanog
I believe multicast is only used for IPTV Multicast by itself does not reduce much bandwidth : that reduction is purely based on the network design If you place unicast nodes near your customers, multicast is effectively unicast (just think about it) :) On 08/08/2018 08:49 PM, Mankamana Mishra

Multicast traffic % in enterprise network ?

2018-08-08 Thread Mankamana Mishra (mankamis) via NANOG
Hi Every one, Recently we had good discussion over multicast uses in public internet. From discussion, it was pointed out uses of multicast is more with in enterprise. Wanted to understand how much % multicast traffic present in network * If there is any data which can provide what % of