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Packet processing method and device

A message processing and equipment technology, applied in the field of communication, can solve the problem of low routing efficiency of interest messages

Active Publication Date: 2014-09-17
HUAWEI TECH CO LTD
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Problems solved by technology

[0004] Embodiments of the present invention provide a message processing method and device to solve the problem of low routing efficiency of interest messages existing in the prior art

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  • Packet processing method and device

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Embodiment Construction

[0114] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0115] figure 1 It is a flowchart of a message processing method provided by an embodiment of the present invention. The method provided in this embodiment is applied to a forwarding node in the ICN, where the forwarding node includes a PIT, and the PIT includes one or more PIT entries, and each PIT entry includes a content name and a port. Such...

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Abstract

The embodiments of the invention provide a packet processing method and device. The method is applied to a forwarding node in an ICN, the forwarding node comprises a PIT, the PIT comprises one or more PIT items, and each PIT item comprises a content name and a port. The method comprises: receiving a data packet generated and sent by a destination device after the destination device receives a first interest packet forwarded by a source device via the forwarding node, the data packet carrying a content name which is the same as the content name of content requested by the first interest packet; the forwarding node, when forwarding the first interest packet, generating a PIT item corresponding to the first interest packet in the PIT; and when it is determined that the data packet carries a second interest packet, matching the content name carried by the data packet with the content name in the PIT item, and according to a port in the matched PIT item, forwarding the data packet to the source device. The technical scheme provided by the invention can improve the route efficiency of an interest packet in an NDN.

Description

technical field [0001] Embodiments of the present invention relate to communication technologies, and in particular to a message processing method and device. Background technique [0002] With the development of the Internet, more and more applications are aimed at the generation, dissemination and sharing of various information, so a new network application model centered on information / content has emerged, and this model of network is called It is called an information-centric network (Information Centric Network, referred to as ICN). The most influential in ICN is the Named Data Network (NDN for short). [0003] NDN mainly uses two types of packets, Interest packets and Data packets. NDN maintains three tables: the storage table (Content Store, referred to as CS), the resident information table (Pending Interest Table, referred to as PIT) and the forwarding table (Forwarding Information Table, referred to as FIB), and based on these three The table forwards the intere...

Claims

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Application Information

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IPC IPC(8): H04L12/741H04L45/74H04L49/111
CPCH04L67/327H04L45/306H04L12/00H04L12/6418H04L67/63H04L45/72H04L49/3009
Inventor 轩辕哲严哲峰
Owner HUAWEI TECH CO LTD
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