[X2Go-User] Latency Issues

[Nirav Shah]

Hi Brian,

Thanks a lot for your tips to improve the performance. So now, I am going
to try:

1) If download link is good then I will try "LAN" settings
2) When it is in wireless network , I will try "WAN" settings.

Yesterday, I tried different settings using LAN, WAN, ADSL with simulated
latency but I was not able to identify the difference between different
settings. I might need to run some youtube video to see the difference.

Thanks again for your help.


On Sun, Nov 24, 2013 at 8:36 AM, bmullan <bmullan.mail at gmail.com> wrote:

>  I should have added a little more info related to this.
>
> I use Amazon's EC2 cloud quite a bit with x2go.
>
> My AWS EC2 server runs ubuntu 13.10 x64 and I have the x2goserver
> installed on it with the xubuntu-desktop (re xfce desktop).
>
> However, on that server I think installing xubuntu-desktop must have
> auto-magically installed "libjpeg-turbo-progs" because I did not have to
> install it manually.
>
> My home PC has an 18Mbps downlink from the internet and a 3 Mbps uplink (I
> use ATT uVerse).
>
> Now regards the X2GO client CONNECTION SETTINGS.
>
> Setting the Client to WAN
>
>    - logging into the AWS x2goserver's XFCE and then running firefox I
>    goto youtube and play a music video.
>    - video is a bit choppy (I know that's subjective <g>).
>
>
> Setting the Client to LAN (no compression)
>
>    - logging into the AWS x2goserver's XFCE and then running firefox I
>    goto youtube and play a music video.
>    - video is almost perfect - re less choppiness than with Client set to
>    WAN.
>
> So at least in my experience whether you set the Client to WAN or LAN
> "may" depend on your downlink speed from the remote x2goserver.
> If you have a fast enough WAN connection at your client you may find doing
> no compression at all (re LAN) provides a better experience.
>
> Lastly, don't forget to consider what your "local" lan consists of.    If
> your Client PC is on a Wireless network and sharing that Wireless network
> with
> multiple other Wireless network users you may find that your wireless
> network is having a bigger impact on QoS of the video in the remote desktop
> than the remote server, local PC or the WAN.
>
> my .02
> Brian Mullan
>
>
>
>
>
>
>
> On 11/24/2013 07:51 AM, bmullan wrote:
>
> Mike, Shah et al
>
> I've used libturbo-jpeg for a couple years with x2go after I first learned
> about it.
>
> You might check your Distro...  but at least for Ubuntu I believe
> libturbo-jpeg is the default installed by Ubuntu now.
>
>      *NOTE:   in the following - I did have to install
> "libjpeg-turbo-progs" separately *
>
> On my Ubuntu 13.10 x64 system if I run Synaptic and search for "libturbo"
> I find:
>
> *Independent JPEG Group's JPEG runtime library (dependency package) *
>
> *libjpeg8 dependency package, depending on libjpeg-turbo8.*
>
> You might do the same on your Distro to find out what libjpeg is being
> used today.
>
> Brian
>
>
>
>


-- 
Thanks,

Nirav Shah
(C) (412) 296-9491
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