science

InterLAN

InterLAN is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand InterLAN rather than just read about it. In short: InterLAN Internet Exchange (InterLAN-IX) is a neutral, distributed Internet exchange point (IXP) that serves as the largest interconnection platform in Romania. It is operated by the Interlan Association, a nonprofit organization of Romanian Internet service providers (ISPs) and is headquartered in Bucharest.

Key takeaways

InterLAN belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect InterLAN to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of InterLAN from memory before moving on to harder problems.

Reference excerpt

InterLAN Internet Exchange (InterLAN-IX) is a neutral, distributed Internet exchange point (IXP) that serves as the largest interconnection platform in Romania. It is operated by the Interlan Association, a nonprofit organization of Romanian Internet service providers (ISPs) and is headquartered in Bucharest. The Interlan Association has over 50 member companies ensuring that the Internet exchange point remains neutral, with any surplus reinvested into network infrastructure and service development. The exchange is an active participant in the European IXP community through its membership in European Internet Exchange Association (Euro-IX) and in the RIPE NCC. It also helps organise the Romanian Network Operators Group and regularly participates in international peering events such as the UAE-IX Peering Workshop and Euro-IX Peering Days.

History The InterLAN-IX was founded in 2005. From its inception, the exchange was designed as a neutral, community‑driven platform to enable local peering and reduce dependency on expensive internet transit links. In 2007, the InterLAN Association formalised its corporate governance, and the exchange became fully operational as a nonprofit organization. InterLAN-IX joined the European Internet Exchange Association (Euro-IX) as a full member in 2008 and became a member of the RIPE NCC in 2015, underscoring its commitment to industry best practices and the responsible management of Internet number resources. Over the following decade, the exchange expanded its geographic footprint, adding points of presence (PoPs) in Bucharest, Arad, Cluj-Napoca, Constanța, Craiova, Gheorgheni, Iași, Sibiu, Suceava, Târgu Secuiesc, Timișoara and, later, Frankfurt and Sofia. In 2025, the IXP deployed a new anycast root name server M-Root instance, becoming one of the few IXPs to host multiple root server instances (D‑Root, E‑Root, F‑Root, K‑Root, L‑Root and M‑Root). It also established a new international point of presence in Sofia, Bulgaria in January 2025, and in March 2025 it began hosting a BGP Route Views collector in partnership with the University of Oregon.

POP's Interlan has several POP's in Romania and one in Frankfurt, Germany:

NXDATA-1, 8, Dimitrie Pompeiu Blvd., Feper building, 3rd floor, Bucharest, 2nd district, Romania NXDATA-2, 6-A, Dimitrie Pompeiu Blvd., IEMI Building, ground floor, Bucharest, 2nd district, Romania Drumul Taberei area, Bucharest, 2nd district, Romania Constanta, Romania Timișoara, Romania Craiova, Romania Equinix Frankfurt KleyerStrasse (FR5), Kleyerstrasse 90, Frankfurt 60326, Germany

Available ports Available ports are:

100 Mbit/s copper 1 Gbit/s copper/fiber 10 Gbit/s fiber One or more ports can be aggregated, for example two ports x 1 Gbit/s

Participants Interlan has 62 traffic participants:

DNS root servers

J-root Verisign

External links Interlan IX Official Site

References

Illustrations

Worked examples

Example 1 — a first encounter with InterLAN

Start with the simplest possible case. Write down what InterLAN claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to InterLAN before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about InterLAN ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of InterLAN

In research: InterLAN appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses InterLAN in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: InterLAN is common in secondary-school and first-year university syllabi. It links to neighbouring topics Internet exchange points in Europe, Telecommunications organizations, so understanding it makes those chapters shorter.
In everyday life: Look for InterLAN outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study InterLAN in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what InterLAN means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain InterLAN out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is InterLAN in simple terms?

Why does InterLAN matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study InterLAN?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on InterLAN.