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Multipath TCP in hybrid access networks

A hybrid access network and access network technology, applied in the field of multi-path TCP capabilities, can solve problems such as complex costs

Inactive Publication Date: 2019-01-04
TESSARES SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This is complex and thus expensive

Method used

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  • Multipath TCP in hybrid access networks
  • Multipath TCP in hybrid access networks
  • Multipath TCP in hybrid access networks

Examples

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Embodiment Construction

[0060] figure 1 A system for exchanging data over a TCP connection between a client 100 and a network node 103 according to an embodiment of the invention is shown. The TCP connection may be initiated by the client 100, in which case the node 103 acts as a server, and vice versa. For the remainder of this description, the network node 103 will be referred to as a server. The system also includes Hybrid Customer Premises Equipment 101, also referred to as HCPE. HCPE 101 acts as a gateway between client 100 and any other network devices within local network 113 . The HCPE 101 provides clients with access to an Internet Service Provider (ISP)'s access network 110, 111. The system also comprises a hybrid access gateway 102, which allows communication between the access networks 110, 111 and an external network 112, such as for example the Internet. The server 103 resides in this external network 112 . Both HCPE 101 and HAG 102 are annotated as "hybrid" because they are able t...

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PUM

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Abstract

A method is disclosed for exchanging data over a TCP connection (234) between a client node (100) and a networking node (103). The TCP connection comprises a primary MPTCP subflow (122) between a customer premises equipment, a HCPE (101), and a hybrid access gateway, a HAG (102). The method comprises, by the HCPE, converting (410, 413) first TCP segments (401, 406) to first MPTCP segments (402, 405) of the primary MPTCP subflow and vice versa, and using destination address information of the first TCP segments as destination address information of the first MPTCP segments, and using source address information of the first MPTCP segment as source address information of the first TCP segments. The method further comprises, by the HAG, converting (411, 412) second TCP segments (403, 404) to second MPTCP segments (402, 405) of the primary subflow and vice versa while preserving source and destination address information.

Description

technical field [0001] The present invention generally relates to the field of providing network connectivity to clients by hybrid access (access) networks. In such a hybrid access network, clients can access servers in an external network, such as the Internet, through hybrid customer premises equipment or HCPE connected to hybrid access gateways or HAGs on more than one access network. [0002] More specifically, the present invention relates to providing multi-path TCP capabilities between such HCPEs and HAGs within a single-path TCP connection between a client and a server. Background technique [0003] Customer premises equipment connects the client or local network to the access network of the Internet service provider or ISP. The ISP then connects the access network to the Internet through a gateway on the provider's core network, providing Internet access to clients. [0004] With the higher bandwidth provided by the latest wireless technologies such as, for exampl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/707H04L29/06H04L45/24
CPCH04L69/14H04L47/70H04L67/01H04L67/1001H04L12/66H04L45/24H04L69/16
Inventor 奥利维耶·博纳旺蒂尔格雷戈里·德塔尔塞巴斯蒂安·巴雷巴特·佩伦斯
Owner TESSARES SA
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