Temat: bandwidth - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: A Framework for Evaluation of Communication Bandwidth Market Models
Autorzy:: Stańczak, W.
Pałka, P.
Lubacz, J.
Toczyłowski, E.
Powiązania:: https://bibliotekanauki.pl/articles/309142.pdf
Data publikacji:: 2010
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: auctions
bandwidth trading
resource allocation
Opis:: The article presents a method of analysis of market-based models for resource allocation in communication networks. It consists of several stages: classification of a market model, generation of input data, data adaptation to a tested model, test calculations and, finally, presentation and interpretation of results. A set of general criteria to assess various models has been proposed. Tests are run using dedicated computer applications, data is stored in open XML-based format originated in the multicommodity market model. Network topologies are derived from the SNDlib library.
Źródło:: Journal of Telecommunications and Information Technology; 2010, 2; 52-60
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Model for Balancing Aggregated Communication Bandwidth Resources
Autorzy:: Pałka, P.
Kołtyś, K.
Toczyłowski, E.
Żółtowska, I.
Powiązania:: https://bibliotekanauki.pl/articles/309024.pdf
Data publikacji:: 2009
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: aggregation
auctions
bandwidth market
multicommodity trade
Opis:: In this paper we present a multicommodity bandwidth exchange model for balancing aggregated communication bandwidth resources (BACBR) that allows us to aggregate similar offers. In this model offers submitted to sell (or buy) the same, similar, or equivalent network resources (or demands for end-to-end connections) are aggregated into single commodities. BACBR model is based on the balancing communication bandwidth trade (BCBT) model. It requires much less variables and constraints then original BCBT, however the outcomes need to be disaggregated. The general model for disaggregation is also given in the paper.
Źródło:: Journal of Telecommunications and Information Technology; 2009, 3; 43-49
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Pricing Rules Comparison in the Context of Bandwidth Trade
Autorzy:: Pałka, P.
Toczyłowski, E.
Powiązania:: https://bibliotekanauki.pl/articles/309148.pdf
Data publikacji:: 2010
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: communication bandwidth trade
mechanism design
pricing rule
Opis:: In this paper we compare two pricing rules in the context of bandwidth trade. Allocation and pricing rules, together with a set of signals received from independent agents, constitute a market mechanism. In the paper we analyze two pricing rules: well known Vickrey-Clarke-Groves rule (VCG) and the parametric pricing rule (PPR).We apply these pricing rules to the allocation rule specified by the balancing communication bandwidth trade model (BCBT).
Źródło:: Journal of Telecommunications and Information Technology; 2010, 2; 61-66
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Multicommodity Auction Model for Indivisible Network Resource Allocation
Autorzy:: Kołtyś, K.
Pałka, P.
Toczyłowski, E.
Żołtowska, I.
Powiązania:: https://bibliotekanauki.pl/articles/307940.pdf
Data publikacji:: 2008
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: bandwidth allocation
indivisible commodities
modularity
multicommodity trade
pricing
Opis:: In this paper we present the multicommodity auction model BCBT-I that allocates indivisible network resources among bidders. The approach can be considered as a generalization of the basic multicommodity model for balancing communication bandwidth trade (BCBT). The BCBT model assumes that offers concerning inter-node links and point-to-point bandwidth demands can be realized partially. However, in the real-world trade there might be a need to include capacity modularity in the market balancing process. Thus we state the model for balancing communication bandwidth trade that takes into account the indivisibility of traded bandwidth modules. This requires to solve a mixed integer problem and increases computational complexity. Furthermore, the pricing issue appears nontrivial, as the dual prices cannot be longer used to set fair, competitive market prices. For clearing the market, we examine the multicommodity pricing mechanizm based on differentiation of buy and sell market prices.
Źródło:: Journal of Telecommunications and Information Technology; 2008, 4; 60-66
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Application of open multi-commodity market data model on the communication bandwidth market
Autorzy:: Kasprzak, P.
Kaleta, M.
Pałka, P.
Smoliła, K.
Toczyłowski, E.
Traczyk, T.
Powiązania:: https://bibliotekanauki.pl/articles/308563.pdf
Data publikacji:: 2007
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: communication bandwidth trade
market clearing
multi-commodity trade
Opis:: In the paper the market model for balancing communication bandwidth trade (BCBT) is analyzed in the form of multi-commodity market data model (M3). The distinguishing feature of BCBT model is that it assumes that market players can place buy offers not only for isolated network resources - inter-node links, but also for end-to-end network paths of predefined capacity, that is, every offer concerns a point-to-point bandwidth connection between a pair of specified locations in a communication network. The model enables effective balancing of sell and buy offers for network resources in a way which maximizes global economic welfare. The open multi-commodity market data model provides efficient and clear mechanisms, which support the environment of auctions and multi-commodity exchanges, especially when the trade is constrained by the infrastructure resources. Thus the model may be used in designing open information systems for market balancing and clearing in the context of multicommodity trade in various network infrastructure sectors.
Źródło:: Journal of Telecommunications and Information Technology; 2007, 4; 45-50
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Bandwidth Trading: A Comparison of the Combinatorial and Multicommodity Approach
Autorzy:: Kołtyś, K.
Pałka, P.
Toczyłowski, E.
Żółtowska, I.
Powiązania:: https://bibliotekanauki.pl/articles/309152.pdf
Data publikacji:: 2010
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: bandwidth allocation
combinatorial auction
computational efficiency
ndivisible resources
multicommodity trade
Opis:: Since the telecommunication market becomes more complex and dynamic, a strong need for a new, efficient and flexible bandwidth trading mechanisms appears. We believe that good mechanisms, that allow effective and fair allocation of bandwidth between market participants will help to develop the real competitive bandwidth market. In this paper we compare two different double-sided bandwidth auction mechanisms, that seem to be well suited approaches for trading indivisible units of bandwidth: combinatorial auction c-SeBiDA and multicommodity mechanism BACBR-I. The c-SeBiDA mechanism considers two types of commodities: inter-node links and paths consisting of particular links. Market participants may bid a single link, or a bundle of links, constituting a specific path. The BACBR-I mechanism is a multicommodity exchange model, that allows bidders to place buy offers not only for individual or bundled links, but rather for end-to-end connections. Therefore, it is the decision model that allocates the most efficient links to connections. We run a large set of experiments to test the allocation and computational efficiency obtained under both approaches.
Źródło:: Journal of Telecommunications and Information Technology; 2010, 2; 67-72
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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