Separating and merging IPv6 address space of switching network in hierarchy mode

An address space and switching network technology, applied in the field of internal control packet switching, can solve problems such as increasing the burden on switches, and achieve the effects of increasing complexity, ensuring consistency, and avoiding paralysis

Inactive Publication Date: 2006-04-19
COMP NETWORK INFORMATION CENT CHINESE ACADEMY OF SCI
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  • Description
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Problems solved by technology

[0011] If a completely different and independent address space is designed for the internal devices of the hierarchical network in order to realize the isolation of the address space, great difficulti

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  • Separating and merging IPv6 address space of switching network in hierarchy mode
  • Separating and merging IPv6 address space of switching network in hierarchy mode
  • Separating and merging IPv6 address space of switching network in hierarchy mode

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Embodiment Construction

[0089] The internal address is used to address the internal facilities of the node domain (including node domains, logical ports, switches, physical ports of switches, various internal servers and service access points, etc.). Referring to the internal address format of the HSNET network in Figure 7, the detailed IID structure in the internal address format in Figure 8, and the definition of the TYPE-X-Y field in Table 1, addresses can be assigned to the internal elements of the node domain, thereby facilitating hierarchical switching backbones Any facility in the network can perform internal access to realize the internal management and control functions of the HSNET network.

[0090] Using the internal address system structure and addressing method proposed by the present invention, various internal services have been designed and realized, such as the automatic tunneling technology of IPv4 packets through the hierarchical switching backbone network, the QoS resource reservat...

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Abstract

The invention belongs to network architecture, and design of network address space and planning area. In hierarchy type switched network, network is divided into two parts: backbone network and user access network; the former is owned and managed by network manager, and the later is owned and managed by user self. One of fatal weaknesses is that devices of network manager and devices of users are located at same address space. Thus, any user can access any backbone router of network manager so that backbone router faces to threat of paralysis. The invention separates address space so that use cannot access devices on backbone network of network manager. Thus, safety of devices on backbone network is guaranteed. It is requisite that two address spaces can be merged in order to keep consistency between communication protocols of user data packet for backbone network exchange and exchange inner control packet. Two address spaces are unified from viewpoint of exchange control protocol.

Description

technical field [0001] The invention relates to the fields of network system structure, design and planning of network address space, exchange method of internal control packets and the like. Background technique [0002] Hierarchical switching network (Chinese patent application 03120998.X, hereinafter sometimes referred to as hierarchical network) is a network whose topological structure is structured according to hierarchical structure, and its address space is also allocated according to hierarchical structure, and the hierarchy of topology and address structure Hierarchies are strictly matched. The network of this structure mainly solves the huge routing table, global routing information exchange and calculation caused by the current Internet due to the use of arbitrary connection topology, one-dimensional flat and disordered address allocation, and no direct relationship between addresses and topology. Complexity, difficulty in guaranteeing network service quality, di...

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Application Information

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IPC IPC(8): H04L12/28H04L29/06H04L12/56H04L29/12
Inventor 葛敬国钱华林牛广锋申祥军林彤严海燕游军龄郭丽娜
Owner COMP NETWORK INFORMATION CENT CHINESE ACADEMY OF SCI
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