What's the meaning of virtual POP ?

Tue Aug 23 23:20:05 UTC 2016

Thanks for the explanation.

I understand on layer 2 or like william point out (on anything other than
IP) it make total sense.

However on layer 3, with existing transit bandwith with said provider it
would be redudant. (Assume The one you wanted peer at site b is already
peering with your provider).

Cheers.

On Tue, Aug 23, 2016, 15:51 Rod Beck <rod.beck at unitedcablecompany.com>
wrote:

> Yes, except it is done via Switched Ethernet and VLANs. The idea behind
> virtual peering. Your gear is in Amsterdam and someone gives you VLANs to
> LINX.
>
>
> - R.
>
>
> ------------------------------
> *From:* NANOG <nanog-bounces at nanog.org> on behalf of William Herrin <
> bill at herrin.us>
> *Sent:* Wednesday, August 24, 2016 12:46 AM
> *To:* Yucong Sun
> *Cc:* NANOG
>
> *Subject:* Re: What's the meaning of virtual POP ?
> On Tue, Aug 23, 2016 at 6:31 PM, Yucong Sun <sunyucong at gmail.com> wrote:
> > I came across the idea of the virtual POP  , but the website for them
> have
> > way too much jargon to me[1][2][3], can someone explain it like i'm five
> > (:-D)?
>
> A virtual Point Of Presence means that you provide services at a
> location via someone else's facilities.
>
> The classic example was extending a PRI for dialup modems inside a
> particular local calling area via a point-to-point T1 back to your
> modem bank somewhere else that would have been a long distance call
> for those customers. If you put a modem bank in their local calling
> area, it's a POP. If you extend the circuit from their local calling
> area back to your modem bank elsewhere, it's a virtual POP.
>
> Modern examples of virtual POPs are much fancier but it's the same basic
> idea.
>
>
> > 1. Is virtual POP basically a L2VPN?
>
> It can be. Depends on what service you're extending from the "virtual"
> location.
>
>
> > 2. Do such vPOP have guaranteed latency/bandwidth?
>
> Depends on what you're extending and how.
>
>
> > 3. Is that really useful?
>
> It can be. It can let you dip your toes in a market without a large
> up-front investment in equipment and backhaul.
>
> Regards,
> Bill Herrin
>
>
> --
> William Herrin ................ herrin at dirtside.com  bill at herrin.us
> Owner, Dirtside Systems ......... Web: <http://www.dirtside.com/>
> Dirtside Systems <http://www.dirtside.com/>
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