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1. CN104365072 - Apparatus and method for computing end-to-end paths through a network comprising a plurality of network domains

Office
China
Application Number 201280072212.X
Application Date 05.04.2012
Publication Number 104365072
Publication Date 18.02.2015
Grant Number 104365072
Grant Date 06.11.2018
Publication Kind B
IPC
H04L 12/723
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
12Data switching networks
70Packet switching systems
701Routing or path finding
721Routing procedures, e.g. shortest path routing, source routing, link state routing or distance vector routing
723Label or tag based routing, e.g. multi-protocol label switching or generalised multi-protocol label switching
CPC
H04L 41/12
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
41Arrangements for maintenance or administration or management of packet switching networks
12network topology discovery or management
H04L 45/04
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
45Routing or path finding of packets in data switching networks
04Interdomain routing, e.g. hierarchical routing
H04L 45/42
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
45Routing or path finding of packets in data switching networks
42Centralized routing
H04L 45/44
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
45Routing or path finding of packets in data switching networks
44Distributed routing
H04L 45/50
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
45Routing or path finding of packets in data switching networks
50using label swapping, e.g. multi-protocol label switch [MPLS]
H04L 45/02
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
45Routing or path finding of packets in data switching networks
02Topology update or discovery
Applicants 瑞典爱立信有限公司
Inventors D·卡维格利亚
G·博塔里
D·塞卡雷利
Agents 中国专利代理(香港)有限公司 72001
中国专利代理(香港)有限公司 72001
Title
(EN) Apparatus and method for computing end-to-end paths through a network comprising a plurality of network domains
(ZH) 计算通过包括多个网络域的网络的端到端路径的装置和方法
Abstract
(EN)
A network architecture is provided for enabling end-to-end paths to be computed across a plurality of network domains. The network architecture comprisesa plurality of child path computation elements associated with a plurality of respective network domains, each child path computation element adapted to compute a path segment within its respective network domain. A parent path computation element adapted to compute an end-to-end path across a plurality of network domains in conjunction with the plurality of respective child path computation elements.

(ZH)
提供了一种计算跨多个网络域的端到端路径的网络架构。所述网络架构包括与多个相应网络域关联的多个子路径计算单元,每个子路径计算单元用于在其相应网络域内计算路径分段。用于与多个相应子路径计算单元一起计算跨多个网络域的端到端路径的父路径计算单元。

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