FI91695B - Förfarande för att prioritera trafik mellan lokalnät som kopplats samman via ett stamnät - Google Patents

Förfarande för att prioritera trafik mellan lokalnät som kopplats samman via ett stamnät Download PDF

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Publication number
FI91695B
FI91695B FI924482A FI924482A FI91695B FI 91695 B FI91695 B FI 91695B FI 924482 A FI924482 A FI 924482A FI 924482 A FI924482 A FI 924482A FI 91695 B FI91695 B FI 91695B
Authority
FI
Finland
Prior art keywords
frame
frames
network
length
address
Prior art date
Application number
FI924482A
Other languages
English (en)
Finnish (fi)
Other versions
FI924482A0 (sv
FI91695C (sv
Inventor
Seppo Pyhaelammi
Original Assignee
Nokia Telecommunications Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nokia Telecommunications Oy filed Critical Nokia Telecommunications Oy
Publication of FI924482A0 publication Critical patent/FI924482A0/sv
Priority to FI924482A priority Critical patent/FI91695C/sv
Priority to JP6508745A priority patent/JPH08503821A/ja
Priority to DK93920874T priority patent/DK0788692T3/da
Priority to PT93920874T priority patent/PT788692E/pt
Priority to US08/411,679 priority patent/US5541922A/en
Priority to AU48218/93A priority patent/AU676199B2/en
Priority to PCT/FI1993/000393 priority patent/WO1994008411A1/en
Priority to EP93920874A priority patent/EP0788692B1/en
Priority to NZ256039A priority patent/NZ256039A/en
Priority to DE69327546T priority patent/DE69327546D1/de
Publication of FI91695B publication Critical patent/FI91695B/sv
Application granted granted Critical
Publication of FI91695C publication Critical patent/FI91695C/sv
Priority to HK98101128A priority patent/HK1002305A1/xx

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4604—LAN interconnection over a backbone network, e.g. Internet, Frame Relay
    • H04L12/462—LAN interconnection over a bridge based backbone
    • H04L12/4625—Single bridge functionality, e.g. connection of two networks over a single bridge
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Time-Division Multiplex Systems (AREA)

Claims (8)

1. Förfarande för prioritering av trafik mellan via ett stamnät (12) sanunankopplade lokalnät (11), som kopp- 5 lats till stamnätet (12) via en överföringsförbindelse (14a...l4e), i vilket förfarande data förmedlas frän ett lokalnät till ett annat, varvid man i stamnätet (12) mäste buffra data vid övergäng tili en överföringsförbindelse (14a...l4e) med mindre överföringskapacitet, k ä n n e -10 tecknat därav att - längden pä en frän lokalnätet (11) mottagen ram (38) bestäms med förutbestämd exakthet, varvid erhälls ätminstone tvä längdklasser med respektive egen priori-tetskategori, 15. av ett adresspar, som utgörs av den mottagna ra- mens käll- och mäladresser, jämförs ätminstone den ena adressen med motsvarande adresser inom ramar som klassifi-cerats som längsammare än den prioritetskategori som mot-svarar längden av den ifrägavarande ramen, vilka ramar 20 för tillfället stär i förmedlingskö eller som i en förutbestämd tidigare tidsperiod (Tp) stätt i förmedlingskö, - ramar (39) som skall sändas vidare ställs pä ba sis av längdklassificeringen och adresskontrollen i ätminstone tvä olika förmedlingsköer (33a, 33b) med olika 25 prioritetskategorier, - ätminstone en del av ramarna som skall sändas ut-märks, sä att prioriterade ramar kan skiljas frän de övri-ga ramarna, och - märkningen kontrolleras i nämnda punkt (P) som 30 kräver buffring, och ramarna förmedlas vidare i enlighet med den av märkningen visade prioritetskategorin.
2. Förfarande enligt patentkrav 1, känne-tecknat därav att ifall en frän lokalnätet (11) mottagen ram har samma käll- och mäladresser som nämnda 35 som längsammare klassificerade ram, ställs den ifrägava- II 17 91695 rande ramen i samma förmedlingskö (33b) med nämnda som längsammare klassificerade ram.
3. Förfarande enligt patentkrav 1, känne-t e c k n a t därav att ramarna som skall förmedlas in- 5 delas i tvd olika prioritetskategorier.
4. Förfarande enligt patentkrav 1, känne-t e c k n a t därav att längden pä den förutbestämda ti-digare tidsperioden (Tp) motsvarar maximilängden pä den i nämnda buffringspunkt (P) använda bufferten (36b) för de 10 icke-prioriterade ramarna.
5. Förfarande enligt patentkrav 3, i vilket som stamnät används ett Frame Relay-nät, känneteck-n a t därav att som märkning används ett förutbestämt värde av C/R-biten i FR-ramen (39). 15
6. Förfarande enligt patentkrav 1, i vilket som stamnät används ett Frame Relay-nät, känneteck-n a t därav att som märkning används adressen (DLCI) för en logisk kanal i FR-ramen (39).
7. Användning av förfarandet enligt patentkrav 1 20 vid förmedling av talinformation.
8. Användning av förfarandet enligt patentkrav 1 vid förmedling av videoinformation.
FI924482A 1992-10-05 1992-10-05 Förfarande för att prioritera trafik mellan lokalnät som kopplats samman via ett stamnät FI91695C (sv)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FI924482A FI91695C (sv) 1992-10-05 1992-10-05 Förfarande för att prioritera trafik mellan lokalnät som kopplats samman via ett stamnät
PCT/FI1993/000393 WO1994008411A1 (en) 1992-10-05 1993-10-01 Method for assigning priority to traffic between local area networks interconnected via a backbone network
DK93920874T DK0788692T3 (da) 1992-10-05 1993-10-01 Fremgangsmåde til tildeling af prioritet til trafik mellem lokalnet, der er indbyrdes forbundne via et hovednet
PT93920874T PT788692E (pt) 1992-10-05 1993-10-01 Metodo de atribuir prioridades ao trafego entre redes locais interligadas por uma rede primaria
US08/411,679 US5541922A (en) 1992-10-05 1993-10-01 Method for assigning priority to traffic between local area networks interconnected via a backbone network
AU48218/93A AU676199B2 (en) 1992-10-05 1993-10-01 Method for assigning priority to traffic between local area networks interconnected via a backbone network
JP6508745A JPH08503821A (ja) 1992-10-05 1993-10-01 中枢ネットワークにより相互接続されたローカルエリアネットワーク間のトラヒックに優先順位を割当てる方法
EP93920874A EP0788692B1 (en) 1992-10-05 1993-10-01 Method for assigning priority to traffic between local area networks interconnected via a backbone network
NZ256039A NZ256039A (en) 1992-10-05 1993-10-01 Traffic priority assignment between connected local area networks
DE69327546T DE69327546D1 (de) 1992-10-05 1993-10-01 Verfahren zur prioritätszuordnung für verkehr zwischen über ein hauptnetz verbundenen lokalen netzen
HK98101128A HK1002305A1 (en) 1992-10-05 1998-02-12 Method for assigning priority to traffic between local area networks interconnected via a backbone network

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI924482 1992-10-05
FI924482A FI91695C (sv) 1992-10-05 1992-10-05 Förfarande för att prioritera trafik mellan lokalnät som kopplats samman via ett stamnät

Publications (3)

Publication Number Publication Date
FI924482A0 FI924482A0 (sv) 1992-10-05
FI91695B true FI91695B (sv) 1994-04-15
FI91695C FI91695C (sv) 1994-07-25

Family

ID=8535978

Family Applications (1)

Application Number Title Priority Date Filing Date
FI924482A FI91695C (sv) 1992-10-05 1992-10-05 Förfarande för att prioritera trafik mellan lokalnät som kopplats samman via ett stamnät

Country Status (11)

Country Link
US (1) US5541922A (sv)
EP (1) EP0788692B1 (sv)
JP (1) JPH08503821A (sv)
AU (1) AU676199B2 (sv)
DE (1) DE69327546D1 (sv)
DK (1) DK0788692T3 (sv)
FI (1) FI91695C (sv)
HK (1) HK1002305A1 (sv)
NZ (1) NZ256039A (sv)
PT (1) PT788692E (sv)
WO (1) WO1994008411A1 (sv)

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Also Published As

Publication number Publication date
US5541922A (en) 1996-07-30
AU676199B2 (en) 1997-03-06
JPH08503821A (ja) 1996-04-23
PT788692E (pt) 2000-06-30
FI924482A0 (sv) 1992-10-05
EP0788692B1 (en) 2000-01-05
WO1994008411A1 (en) 1994-04-14
DK0788692T3 (da) 2000-05-01
AU4821893A (en) 1994-04-26
EP0788692A1 (en) 1997-08-13
NZ256039A (en) 1995-09-26
HK1002305A1 (en) 1998-08-14
DE69327546D1 (de) 2000-02-10
FI91695C (sv) 1994-07-25

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