Title:
ネットワーク評価方法、および、ネットワーク評価システム
Document Type and Number:
Japanese Patent JP5698107
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain the reliability evaluation of a packet network with high accuracy.SOLUTION: An entry side edge device 1 of an MPLS network 9 generates, for a user signal flowing into the MPLS network 9, a plurality of types of error detection codes for detecting the transmission error of a user signal, generates a user packet, i.e., an MPLS packet encapsulated in a user signal, and transmits the user packet to an exit side edge device 3. The exit side edge device 3 of the MPLS network 9 calculates the number of error detection times for each types from the plurality of error detection codes taken out by decapsulating the MPLS packet thus received, and then calculates the error rate of the MPLS network 9 according to the ratio of the number of error detection times thus calculated, and the amount of data of the MPLS packet thus received.
Inventors:
Tomoyuki Kanno
Yukihisa Tamura
Masatoshi Shibasaki
Yukihisa Tamura
Masatoshi Shibasaki
Application Number:
JP2011256913A
Publication Date:
April 08, 2015
Filing Date:
November 25, 2011
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
H04L12/70; H04L1/00
Domestic Patent References:
| JP2011181992A | ||||
| JP2010206741A | ||||
| JP2000151607A | ||||
| JP2005094793A |
Foreign References:
| WO2008117379A1 |
Other References:
浅井 敬 他,32ビット組込み型プロセッサ向けDGPS受信機の復調処理のソフトウェア化,映像情報メディア学会誌,2001年 9月 1日,第55巻,第8/9号,p.1178~1185
Attorney, Agent or Firm:
Isono Dozo
Etsuo Tada
Etsuo Tada