WO1995034973A2 - A method and device for partitioning physical netword resources - Google Patents
A method and device for partitioning physical netword resources Download PDFInfo
- Publication number
- WO1995034973A2 WO1995034973A2 PCT/SE1995/000703 SE9500703W WO9534973A2 WO 1995034973 A2 WO1995034973 A2 WO 1995034973A2 SE 9500703 W SE9500703 W SE 9500703W WO 9534973 A2 WO9534973 A2 WO 9534973A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- logical
- physical
- network
- route
- networks
- Prior art date
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- 238000000638 solvent extraction Methods 0.000 title claims abstract description 22
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- 238000010586 diagram Methods 0.000 description 6
- 238000013459 approach Methods 0.000 description 5
- 238000005192 partition Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/32—Specific management aspects for broadband networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0896—Bandwidth or capacity management, i.e. automatically increasing or decreasing capacities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/14—Network analysis or design
- H04L41/142—Network analysis or design using statistical or mathematical methods
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
- H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
- H04J2203/0057—Operations, administration and maintenance [OAM]
- H04J2203/0058—Network management, e.g. Intelligent nets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
- H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
- H04J2203/0064—Admission Control
- H04J2203/0067—Resource management and allocation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
- H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
- H04J2203/0064—Admission Control
- H04J2203/0067—Resource management and allocation
- H04J2203/0071—Monitoring
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
- H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
- H04J2203/0073—Services, e.g. multimedia, GOS, QOS
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/14—Network analysis or design
- H04L41/145—Network analysis or design involving simulating, designing, planning or modelling of a network
Definitions
- the present invention relates to telecommunication networks and in particular to the partitioning of physical network resources.
- the logical network comprises logical links LL interconnecting the logical nodes N1-N3.
- a physical link is logically subdivided into one or more logical links, each logical link having an individual traffic capacity referred to as logical link capacity. It is important to note that each logical link may use more than one physical link or trunk group.
- a routing table To each node in each logical network there is usually associated a routing table, which is used to route a connection from node to node in the particular logical network starting from the node associated with the terminal that originates the connection and ending at the node associated with the terminal which terminates said connection. Said nodes together form an origin-destination pair.
- a node pair with two routes is also illustrated. One of the routes is a direct route DR while the other one is an alternative route AR. In general, the links and the routes should be interpreted as being bidir ⁇ ectional.
- logical networks On top of a physical network a number of logical networks are established in which logical links, used by routes, share the same physical transmission and switching resources. There are several reasons for logically separating physical resources. Logical resource separation for offering different Grade of Service classes, virtual leased networks with guaranteed resources and peak rate allocated virtual paths are some examples of interesting features in the design, dimensioning and manage ⁇ ment of physical networks. However, it is still necessary to decide how to distribute or partition said physical network resources among the logical networks. In general, the determina ⁇ tion of this resource partitioning requires substantial computa ⁇ tional power.
- B j be the blocking probability of logical link j.
- L(r) be the set of logical links used by route r and denote by l(r) the length of route r, i.e. the number of logical links on route r.
- the dimensioning is performed based on equivalent link blocking (ELB).
- ELB equivalent link blocking
- the idea is to distribute, for each individual route, the route blocking probability evenly among the logical links used by the individual route.
- a route may comprise a single logical link. In this case, the link blocking and the route blocking are the same.
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/765,159 US6104699A (en) | 1994-06-13 | 1995-06-12 | Method and device for partitioning physical network resources |
EP95922842A EP0765554B1 (en) | 1994-06-13 | 1995-06-12 | A method and device for partitioning physical network resources |
JP8502037A JPH10504426A (en) | 1994-06-13 | 1995-06-12 | Method and apparatus for allocating physical network resources |
DE69534216T DE69534216D1 (en) | 1994-06-13 | 1995-06-12 | METHOD AND DEVICE FOR DISTRIBUTING PHYSICAL POWER SUPPLIES |
AU27586/95A AU688917B2 (en) | 1994-06-13 | 1995-06-12 | A method and device for partitioning physical network resources |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9402059-1 | 1994-06-13 | ||
SE9402059A SE9402059D0 (en) | 1994-06-13 | 1994-06-13 | Methods and apparatus for telecommunications |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1995034973A2 true WO1995034973A2 (en) | 1995-12-21 |
WO1995034973A3 WO1995034973A3 (en) | 1996-02-01 |
Family
ID=20394357
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SE1995/000703 WO1995034973A2 (en) | 1994-06-13 | 1995-06-12 | A method and device for partitioning physical netword resources |
PCT/SE1995/000704 WO1995034981A2 (en) | 1994-06-13 | 1995-06-12 | Enhancement of network operation and performance |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SE1995/000704 WO1995034981A2 (en) | 1994-06-13 | 1995-06-12 | Enhancement of network operation and performance |
Country Status (9)
Country | Link |
---|---|
US (1) | US6104699A (en) |
EP (2) | EP0765554B1 (en) |
JP (2) | JPH10504426A (en) |
CN (2) | CN1080501C (en) |
AU (2) | AU692884B2 (en) |
CA (1) | CA2192793A1 (en) |
DE (2) | DE69533064D1 (en) |
SE (1) | SE9402059D0 (en) |
WO (2) | WO1995034973A2 (en) |
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US6104699A (en) | 2000-08-15 |
SE9402059D0 (en) | 1994-06-13 |
WO1995034981A3 (en) | 1996-02-08 |
AU2758795A (en) | 1996-01-05 |
AU692884B2 (en) | 1998-06-18 |
AU2758695A (en) | 1996-01-05 |
DE69533064D1 (en) | 2004-06-24 |
EP0765552B1 (en) | 2004-05-19 |
EP0765554B1 (en) | 2005-05-18 |
JPH10504426A (en) | 1998-04-28 |
JPH10506243A (en) | 1998-06-16 |
EP0765552A2 (en) | 1997-04-02 |
CA2192793A1 (en) | 1995-12-21 |
EP0765554A2 (en) | 1997-04-02 |
DE69534216D1 (en) | 2005-06-23 |
CN1080501C (en) | 2002-03-06 |
CN1154772A (en) | 1997-07-16 |
WO1995034973A3 (en) | 1996-02-01 |
CN1155360A (en) | 1997-07-23 |
WO1995034981A2 (en) | 1995-12-21 |
AU688917B2 (en) | 1998-03-19 |
CN1104120C (en) | 2003-03-26 |
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