astronomy

RUNNet

RUNNet is a astronomy 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 RUNNet rather than just read about it. In short: RUNNet (Russian university network) was established in 1994 on the initiative of the State University of Fine Mechanics and Optics by the State Committee of Higher Education as a key branch of the Russian Universities program. In the same year, an Agreement on Cooperation between RUNNet and NORDUnet was signed.

Key takeaways

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

Reference excerpt

RUNNet (Russian university network) was established in 1994 on the initiative of the State University of Fine Mechanics and Optics by the State Committee of Higher Education as a key branch of the Russian Universities program. In the same year, an Agreement on Cooperation between RUNNet and NORDUnet was signed. The purpose of RUNNet is to provide a single common informational space to make available Russian and foreign research and educational resources while also integrating Russian information into the world community.

History Russian Federal University Network RUNNet was established in 1994 as part of the National Program "Universities of Russia" as a nationwide network of universities and large research institutes. The network operator VusTelecomCentre (Universities Telecommunication Centre) was created for the purposes of RUNNet development and support. Initially, RUNNet was mainly based on satellite technologies. Towards the end of 1994, the network already had 6 nodes, providing connectivity between Russian and International channels at 64 kbit/s. Local computer networks were created in 68 universities in the country. The universities participating in the project each received 10-20 computers and servers. The next stage was to ensure connectivity. The best way to achieve this was by using satellites. The Satellite Communication Engineering Center provided the connection by leasing available channels through the Russian Ministry of Defence’s “Raduga” Satellite. In 1995, satellite nodes were established in Moscow, Saint Petersburg, Ekaterinburg, Novosibirsk, Saratov, Ulianovsk, Nizhni-Novgorod, Rostov-on-Don, Tambov, Tomsk, Krasnoyarsk and Irkutsk. In 1996 Vladivostok, Izhevsk, Perm, Barnaul and Pereslavl-Zalesski were integrated into the satellite infrastructure. Finally in 1997 Khabarovsk, Nalchik, Mahachkala and Stavropol were also added. Bandwidth was limited to 64-128 kbit/s due to the limitations of early satellite technologies. Functioning of this satellite infrastructure was supported by RUNNet’s own teleport in Saint Petersburg. Several Russian satellites have been used; the typical bandwidth for a single university now is 2 Mbit/s, but only a few universities still use the satellite service. Changes are the result of improvements in terrestrial structures (most of these universities use satellite channels in parallel with terrestrial ones). Terrestrial RUNNet infrastructure was actively developed from 1995 onwards. The first international RUNNet link operating at 256 kbit/s between Saint Petersburg and the Supercomputer Centre in Espoo (Finland) was established with NORDUnet in early 1995. In 1996, it was upgraded to 1 Mbit/s and in 1997 to 2 Mbit/s. Also in 1997, a new international 4 Mbit/s channel was installed between Saint-Petersburg and the New York PoP of Teleglobe. Thus, the aggregate RUNNet international connectivity rose to 6 Mbit/s. 1998 saw a further step in international connectivity with RUNNet.

RUNNet today There are over 400 universities and other major educational and research institutions using RUNNet today connected either directly to the backbone network of RUNNet or through regional and educational networks. The resources of RUNNet are widely used by other Russian research and education networks such as RBnet, FREEnet, RUHEP/Radio-MSU, RELARN-IP, Moscow network, St. Petersburg State University and Perm National Research Polytechnic University.

References

Notes

References cited Davies, Howard; Bressan, Beatrice (2010). A History of International Research Networking: The People who Made it Happen. USA: Wiley. ISBN 978-3-527-32710-2.

Worked examples

Example 1 — a first encounter with RUNNet

Start with the simplest possible case. Write down what RUNNet claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, 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 RUNNet 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 RUNNet 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 RUNNet

In research: RUNNet appears in astronomy 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 RUNNet 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: RUNNet is common in secondary-school and first-year university syllabi. It links to neighbouring topics ITMO University, Internet in Russia, National research and education networks, so understanding it makes those chapters shorter.
In everyday life: Look for RUNNet 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 RUNNet in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what RUNNet 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 RUNNet out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is RUNNet in simple terms?

Why does RUNNet matter?

Because it connects several astronomy 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 RUNNet?

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 RUNNet.