I am sorry I said "a webinar" on the opening message, in reality it has
little to do with the typical webinar format. The event I'm planning is for
a FOSS marketing automation platform called mautic (btw we should explore
ways to connect mautic and Jitsi), and the main event format is that of an
un-conference, kind of a BarCamp structure.
First there will be a few keynotes, just one speaker at a time. Being able
to switch presenters is a must, but 1 speaker, all the rest subscribers.
Second a panel with 6-8 people on it, those should be able to speak all at
once if needed, the remaining 142 people would be subscribers.
Finally the whole event is divided into 10 or 15 breakout sessions with
10-25 attendees on each "room" (there is not a fixed number of people per
room as the attendees chose the room they want to be on, so a room might
have just 3 people while another one gets crowded with 30 and here it would
be very necessary for everyone in one room to be able to speak all at once.
Here is where I have most concerns, while it wouldn't be 150 multi-way
users on the same room, anyway 10 separated rooms with 15 multi-way users
each must require some decent computing power, right?
During the keynotes and panel it would be very useful to have the ability
to "pass the microphone" to any attendee in a given moment, for example if
they have a question or comment they could "rise their hand", be upgraded
from subscriber to speaker and and be able to speak, then back to
As per bandwidth, I would expect most participants to be, at minimum, on
some sort of broadband, the minimum capacity being that of a basic ADSL
connection, let's say 1-2 Mb upload and 5-10 Mb download.
I would also expect 85%+ Internet attendance, few phone calls, rarely SIP.
Could it be a good idea to enforced having 100% Internet attendees only, no
phone no sip, just web browsers? Is that feasible (practical) on your
experience? would this make the project easier in any way?
What I have in mind is to have any needed permanent bells and whistles like
registrations, email reminders and what not on a regular website, then
launch one or more cloud VPS for a few hours to host the event, ensuring
good QoS without crazy sustained costs. A 64 GB RAM with 20 vCPUs is about
1-2 dollars per hour or a 224 GB RAM with 32 vcores is 3-4 dollars per hour
at Digital Ocean, so unless that is not enough, the computing power needs
should be met at low costs as the event would last just a few hours.
The initial setup and platform tests can be run on permanent and smaller
VPS, those VPS can be kept small until needed, then upgraded for the event
and then back to small, it could even be totally stopped and sent to
storage until it's needed again and pay just for the storage which is
usually very cheap, hence it could be frozen for weeks or months for a fell
dollars. The event will be running just once or maybe twice a year.
What do you think? Any big holes in my plan?
Thank you, Yosu.
Best, Yosu Cadilla ツ
Consultor de màrqueting @ Collita Digital - http://www.collitadigital.cat
CMO @ low-cost.marketing - http://low-cost.marketing/
Content Engineer @ Content.engineering - http://content.engineering/
Facilitator for CloudCamp in Europe and LATAM.
Phone: (+34) 693 481 365
On 22 June 2017 at 01:47, Antony Stone <Antony.Stone@jitsi.open.source.it> wrote:
On Thursday 22 June 2017 at 01:31:48, Yosu Cadilla ツ wrote:
> Hi, I'm searching for a FOSS option for hosting an online event.
> The webinar will have around 150 attendants.
Would this be a one-way "webcast" event, where one participant is
the content, and everyone else is a subscriber to that content, or is it a
multi-way conference, where everyone has equal facility to speak and be
by all the others?
> I'm trying to find out what the limits are on how many users can connect
> 1 single server simultaneously and what the hardware requirements would
> Some indications on what jitsi projects to use would be also appreciated.
Do you have any idea what sort of bandwidth / Internet connections the 150
participants can be expected to have? The amount of bandwidth they can
consume (and send, if they are potentially active speakers too) plays a
in determining what CPU and bandwidth requirements you will have at the
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"Nationality?" asks the immigration officer.
"German," she replies.
"No, just here for a summit conference."
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