Why choose XEN VPS in 2025 when KVM is already dominating the market?

prenhostprenhost
in General

I’ve noticed some providers still offering XEN-based VPS in 2025. With KVM being the go-to choice for most due to its hardware virtualization support and flexibility, I’m curious:

What are the actual advantages of XEN in today's hosting landscape?

Is there still a valid reason to use XEN over KVM for certain workloads or security models?

Or is it just legacy support and cost-saving?

Looking forward to hearing thoughts from sysadmins, hosting providers, and infrastructure engineers!

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Comments

  • imokimok OG

    @prenhost said: Or is it just legacy support and cost-saving?

    Maybe this.

    What providers use XEN?

  • prenhostprenhost

    @imok said:

    @prenhost said: Or is it just legacy support and cost-saving?

    Maybe this.

    What providers use XEN?

    most of - mainvps, @ExonHost

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  • rcy026rcy026

    My guess is familiarity. Unless there is a deal breaker feature that forces your choice, just go with what you know. Most users would never be able to tell the difference anyway.
    I personally would rather buy a XEN vps from a person that have years of experience with XEN then a KVM vps from a newbie, and vice versa. I do not care of my vps runs on XEN or KVM or whatever as long as it delivers what is promised.

    I have several XEN vps's with Servarica ( @servarica_hani ) who are known for their XEN expertise, and those things are rock solid. I have put some serious abuse on those servers from time to time and they do not even flinch, not as much as a hiccup and I've had them for years.

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  • rootroot OG

    Yes - @servarica_hani still uses XEN. I am happy with its stability, even though sometimes I wonder why they did not switch to KVM.

    Thanked by (1)prenhost

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  • AdvinAdvin Hosting Provider

    I don’t use Xen, but is there really any problem with it?

    I am a representative of Advin Servers

  • imokimok OG

    @root said:
    Yes - @servarica_hani still uses XEN. I am happy with its stability, even though sometimes I wonder why they did not switch to KVM.

    They offer KVM now

  • jcn50jcn50

    @prenhost said: What are the actual advantages of XEN in today's hosting landscape?

    With XEN you can move a live virtual machine without the need of a reboot or downtime (by design). So it is great for expanding capacity: just monitor those CPU cores, once they are fully loaded you can: create a new node, move customers there without them knowing/noticing anything (no downtime, no reboot).

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  • prenhostprenhost

    @jcn50 said:

    @prenhost said: What are the actual advantages of XEN in today's hosting landscape?

    With XEN you can move a live virtual machine without the need of a reboot or downtime (by design). So it is great for expanding capacity: just monitor those CPU cores, once they are fully loaded you can: create a new node, move customers there without them knowing/noticing anything (no downtime, no reboot).

    In Virtfusion & Virtualizor have Live Mirgartion on KVM

    Thanked by (1)jcn50

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