Methods and apparatuses for processing and/or forwarding packets

A switch and mechanism technology, applied in the direction of digital transmission system, data exchange network, electrical components, etc., can solve the problem of increasing the number of processing and resources

Active Publication Date: 2013-03-20
AVAGO TECH INT SALES PTE LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Unfortunately, improving manageability using this approach increases the amount of processing and resources required at each switch

Method used

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  • Methods and apparatuses for processing and/or forwarding packets
  • Methods and apparatuses for processing and/or forwarding packets
  • Methods and apparatuses for processing and/or forwarding packets

Examples

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Embodiment Construction

[0060] The following description is given to enable any person skilled in the art to make and use the invention, and is presented in the context of a particular application and its requirements. Various modifications to the disclosed embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to other embodiments and applications without departing from the spirit and scope of the invention. Thus, the present invention is not limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.

[0061] TRILL (transparent interconnection of multiple links)

[0062] TRILL combines the advantages of bridging and routing. A bridge (eg, a device that performs layer-2 forwarding) can transparently connect multiple links to form a single local area network. Without TRILL, bridges use Spanning Tree Protocol (STP), which constrains the topology over which ...

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Abstract

Some embodiments can determine an internal virtual network identifier and/or an internal policy identifier for a packet based on a port on which the packet was received and/or one or more fields in the packet. The system can then process and/or forward the packet based on the internal virtual network identifier and/or the internal policy identifier. Some embodiments can perform remote port mirroring. Some embodiments can map a first set of QoS bits in a packet to a second set of QoS bits for use in a Transparent Interconnection of Lots of Links (TRILL) packet which encapsulates the packet. Some embodiments can efficiently support multiple multicast trees and for performing network layer multicasting in TRILL networks. Some embodiments can flood packets on a per-virtual-network basis.

Description

technical field [0001] This disclosure relates to computer networking. More specifically, this disclosure relates to methods and devices for processing and / or forwarding packets. Background technique [0002] Computer networks have become a critical element of a company's information technology infrastructure. The insatiable demand for bandwidth and the ever-increasing size and complexity of computer networks have created a need to increase the bandwidth and improve the manageability of computer networks. [0003] The manageability of computer networks can be improved by using network virtualization. In network virtualization, large and complex networks can be partitioned into multiple virtual networks to facilitate manageability. Unfortunately, improving manageability using this approach increases the amount of processing and resources required at each switch. Contents of the invention [0004] Some embodiments described herein provide systems and techniques for proce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/761H04L12/741H04L12/46H04L12/947H04L45/16H04L45/74
CPCH04L45/16H04L45/66H04L45/72H04L43/12H04L12/4633H04L12/4645H04L2012/4629
Inventor 虞顺佳A·格汉瓦尼P·科根蒂M·拉曼R·克里施纳默西J·M·特里N·文卡特森W·切昂J·J-E·程D·查瓦尼S·P·瓦拉纳斯
Owner AVAGO TECH INT SALES PTE LTD
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