Distributed hash table intercommunication network system, inter-domain nodes and implementation method

A distributed hash table and network system technology, applied in the field of communication systems, can solve problems such as the difficulty of implementing DHT overlay network intercommunication schemes, and achieve the effects of small routing delay, mature reliability, and good scalability

Active Publication Date: 2017-11-24
ZTE CORP
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  • Claims
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a distributed hash table (DHT) intercommunication network system, inter-domain nodes and implementation methods, so as to solve the problem that the existing DHT overlay network intercommunication scheme is difficult to realize

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  • Distributed hash table intercommunication network system, inter-domain nodes and implementation method
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  • Distributed hash table intercommunication network system, inter-domain nodes and implementation method

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Embodiment Construction

[0074] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0075] Embodiment 1 of the distributed hash table (DHT) intercommunication network system of the present invention, as image 3 As shown, the system includes several domains (also called DHT domains), and each operator independently maintains one or more domains. Each domain includes several nodes. According to the main functions realized by the nodes, the nodes in each domain can be divided into inter-domain nodes and intra-domain nodes. Generally, each domain includes several intra-domain nodes and at least one inter-domain node.

[0076] The inter-domain nodes are mainly used to realize the intercommunication between the domain and other domains, while the intra-domain nodes are mainly ...

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Abstract

The present invention relates to a distributed hash table (DHT) intercommunication network system, an inter-domain node and an implementation method. The implementation method includes the following DHT query request processing flow: the inter-domain node receives a DHT query request, which carries destination domain information and resources identification; the inter-domain node judges whether the current domain is the destination domain according to the destination domain information in the received DHT query request; the inter-domain node processes the DHT query request according to the judgment result, including, when the current domain is not the destination domain, according to the received The destination domain information in the DHT query request queries the inter-domain mapping information, forwards the inter-domain DHT query request and resource identifier to the next hop inter-domain node according to the inter-domain mapping information query result; when the current domain is the destination domain, according to the received The DHT query request initiates the intra-domain query process. The system, node and method of the invention can solve the problem that the existing DHT overlay network intercommunication scheme is difficult to realize.

Description

technical field [0001] The invention relates to a communication system, in particular to a distributed hash table intercommunication network system, an inter-domain node and an implementation method. Background technique [0002] DHT (Distributed Hash Table) technology is a distributed resource search network structure widely used in P2P (Peer-to-Peer, peer-to-peer) networks. With the demonstration effect of P2P technology, this technology has been introduced to other In the technical system, it is used to build a high-performance, scalable distributed database system, such as Amazon's Dynamo system, the identity and location separation technology HIP (Host Identification Protocol), and the name and address mapping system in LISP (Name and Address Separation Network Protocol). P2P network is another layer of network built on top of IP layer network, usually called P2P overlay, usually translated as P2P overlay network or P2P overlay network, to highlight its characteristics ...

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Application Information

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Patent Type & AuthorityPatents(China)
IPC IPC(8): H04L12/743H04L12/741H04L45/74
CPCH04L67/1065
Inventor汪军李漓春
OwnerZTE CORP