Routing device, routing method and transmission switching network

A switching network and routing technology, applied in the field of computer networks and routers, can solve the problems of difficult IP network and optical network, complex maintenance of Internet backbone router nodes, and difficulty in further increasing the capacity of backbone routers, so as to simplify networking and maintenance, improve Effects on processing capacity and performance

Inactive Publication Date: 2008-04-02
GLOBAL INNOVATION AGGREGATORS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Under such a network architecture, it is difficult to integrate the IP network and the optical network into a unified and efficient network, and the maintenance of Internet backbone router nodes composed of multi-level frame-level connections will be more complicated. Increase the capacity of backbone routers

Method used

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  • Routing device, routing method and transmission switching network
  • Routing device, routing method and transmission switching network
  • Routing device, routing method and transmission switching network

Examples

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Embodiment 1

[0121] The idea of ​​this embodiment is that the optical switching technology used here is an electronically controlled optical switching technology that is oriented to the characteristics of IP services and uses optical burst packets (multiple IP packets are aggregated according to a certain mechanism) as the switching unit.

[0122] Among them, "burst" can be regarded as an ultra-long data packet composed of some smaller data packets with the same egress edge node address and / or the same QoS requirements. These data packets can come from IP packets in the traditional IP network. OBS (Optical Burst Switch, optical burst switching) signal burst is the basic switching unit in the optical burst switching network, which consists of a control packet (BCP, Burst Control Packet, which acts as a packet header in packet switching) and a burst The data BP (Burst Packet payload) consists of two parts. Burst data and control packets are separated on the physical channel, and each control...

Embodiment 2

[0132] The idea of ​​this embodiment is that the optical switching technology used here is a packet-oriented optical switching technology, that is, every time an IP packet is received, the data is converted into an OPS (Optical Packet Switching) signal. The OPS signal consists of two parts, a control packet and a payload, and each control packet corresponds to a payload.

[0133] As shown in FIG. 5, the backbone network router in Embodiment 2 of the present invention processes the equipment architecture diagram of electrical and optical signal routing. The numbers 1, 2, 3, and 4 in the figure are only used to mark the routing direction of data packets. The electrical interface inputs or outputs electrical signals, the optical interface inputs or outputs optical signals, and the OPS signal conversion unit completes the conversion of electrical signals and optical signals in the format defined by the backbone router, as well as the conversion of other types of optical signals and...

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PUM

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Abstract

The invention discloses a route device using optical switching as core, in order to increase the capability and performance of route. A route method comprises: a receiving signal step of receiving light signal in the formula defined by the router; a sending signal step of sending the light signal in the formula defined by the router; a route analyzing step of obtaining the routing information of light signal in the formula defined by the router; a control exchanging step of controlling the route of light signal in the formula defined by the router based on the result of the route analyzing step. The optical switching mechanism is used inside the router to break through the limit of electrical exchange capacity of the existing Internet core router, so that the capability and performance of router is increased. Because the treatment capacity and ability is increased, in the new networking, the light transmission network is replaced therefore the networking and maintaining is simplified.

Description

technical field [0001] The invention relates to the technical field of computer networks, in particular to the technical field of routers. Background technique [0002] With the rapid development of the Internet, various high-bandwidth media applications emerge in an endless stream. In the future, the core backbone network will put forward higher and higher requirements for providing ultra-large capacity, as well as simplification and efficiency of the network topology. The capacity of a single chassis of Internet backbone routers has reached several terabytes, and the capacity of dozens of terabytes can be realized by cascading multiple chassis. But this also makes the structure of Internet backbone routers more and more complicated, and the complexity of network maintenance is also getting higher and higher. Moreover, the capacity of dozens of terabytes that can only be achieved by cascading multiple Internet backbone routers has almost reached The upper limit of the elec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04Q11/00
CPCH04L45/62H04L45/00
Inventor 王雷
Owner GLOBAL INNOVATION AGGREGATORS LLC
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