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I see that many IETF RFC documents use "end site" term. However I cannot find exact definition of an "end site".

Does anybody have a reasonable explanation of what is an "end site"? In particular I am interested whether "end site" can be considered as being in one location like a building, or it can be spread in many locations.

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    Can you be specific which RFC's you're talking about?
    – Teun Vink
    Commented Jan 15, 2017 at 11:43
  • I am talking about RFC 6177 and RFC 3177
    – Maksym Bondarenko
    Commented Jan 16, 2017 at 2:51
  • @MaksymBondarenko that was a lucky guess of mine :)
    – Alnitak
    Commented Jan 16, 2017 at 13:10

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In the context of RFC 6177, "IPv6 Address Assignment to End Sites", an end site would be a single location with its own dedicated IP service provision.

That definition might encompass multiple buildings if they're all on one site and sharing the same upstream IP service, and interconnected via an inter-building LAN.

For a multi-location SME who takes separate internet service for each location from the same ISP, that ISP might allocate a /48 for the SME as a whole, but then allocate a /56 from within that /48 for each physical location.

This aggregation of multiple end sites within one larger subnet allows for simpler firewall policies, VPN settings, etc.

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  • Thanks Alnitak! I was briefly reading RFC 6177, but I couldn't derive from its content that end site means a single location or a set of buildings in a similar location. Can you point me to a place in RFC 6177 that has such an explanation?
    – Maksym Bondarenko
    Commented Jan 16, 2017 at 2:52
  • I also found the following definition at RIPE-450: "An End Site is defined as an End User (subscriber) who has a business or legal relationship (same or associated entities) with a service provider that involves:  that service provider assigning address space to the End User  that service provider providing transit service for the End User to other sites  that service provider carrying the End User's traffic  that service provider advertising an aggregate prefix route that contains the End User's assignment"
    – Maksym Bondarenko
    Commented Jan 16, 2017 at 2:56
  • However it doesn't suggest anything about the End User being located at one place and not distributed across different locations, like different cities or different city districts.
    – Maksym Bondarenko
    Commented Jan 16, 2017 at 2:58
  • @MaksymBondarenko I think it's just supposed to be "implicit", based on the common understanding of the word "site". I know one of the authors of 6177 well, I'll ask next time we speak.
    – Alnitak
    Commented Jan 16, 2017 at 8:26

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