Method and system for realizing forward compatibility of MSTP (Multi-Service Transfer Platform) equipment to PTN (Packet Transport Network) equipment platform

A device platform and device technology, applied in the field of communication, can solve the problems that the PTN device platform cannot be compatible with MSTP devices, etc., and achieve the effect of expanding the networking capability and scope and extending the life cycle

Active Publication Date: 2016-06-01
FENGHUO COMM SCI & TECH CO LTD
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  • Claims
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is the pro

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  • Method and system for realizing forward compatibility of MSTP (Multi-Service Transfer Platform) equipment to PTN (Packet Transport Network) equipment platform
  • Method and system for realizing forward compatibility of MSTP (Multi-Service Transfer Platform) equipment to PTN (Packet Transport Network) equipment platform
  • Method and system for realizing forward compatibility of MSTP (Multi-Service Transfer Platform) equipment to PTN (Packet Transport Network) equipment platform

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Embodiment Construction

[0069] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0070] Such as figure 1 As shown, the system provided by the present invention to realize the forward compatibility of PTN equipment platform with MSTP equipment,

[0071] The PTN device platform side includes: signal decomposition module 10, SAToP (Structure-AgnosticTDMoverPacket, unstructured simulation) sending module 20, CEP (CircuitEmulationoverPacket, circuit simulation) sending module 30, Ethernet frame encapsulation module 40 and Ethernet frame sending module 50;

[0072] The signal decomposition module 10 decomposes each PDH (PlesiochronousDigitalHierarchy, quasi-synchronous digital series) signal or SDH signal received by the PTN equipment platform to obtain the PDH signal payload E1 / T1 / E3 / T3 or the SDH signal payload VC12 / VC4, and Send the PDH signal payload E1 / T1 / E3 / T3 to the SAToP sending module 20, and send the SDH signal payl...

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Abstract

The invention discloses a method and a system for realizing forward compatibility of MSTP (Multi-Service Transfer Platform) equipment to a PTN (Packet Transport Network) equipment platform. The method comprises: decomposing PDH (Plesiochronous Digital Hierarchy) signals or SDH (Synchronous Digital Hierarchy) signals into continuous PDH payload E1/T1/E3/T3 signals or SDH payload VC12/VC-4 signals; cutting the continuous PDH payload signals or the SDH payload signals into PDH or SDH payload data slices with fixed lengths according to an SAToP (Structure-Agnostic TDM over Packet) protocol or a CEP (Circuit Emulation over Packet) protocol based on the lengths required by a system, forming an SAToP frame format or a CEP frame format by using the data slices as payloads, packaging the data slices into an Ethernet frame by adding an MPLS (Multi Protocol Label Switching) or VLAN (Virtual Local Area Network) identifier, and sending the Ethernet frame to an opposite end; sending, by the opposite end, the received Ethernet frame to a corresponding SAToP receiving module or a CEP receiving module, separately recovering the continuous PDH payload signals or the SDH payload signals by using a differential clock mode, and obtaining PDH signals or SDH signals via a signal recombination module. By adopting the method and the system, the reformed PTN equipment has the function of the MSTP equipment, so that the networking capability and range of the PTN equipment are improved, and the life cycle of the equipment is prolonged.

Description

technical field [0001] The invention relates to the communication field, in particular to a method and a system for realizing forward compatibility of a PTN equipment platform with MSTP equipment. Background technique [0002] At present, most data transmission platforms are PTN devices defined by the PTN (Packet Transport Network, packet transport network) standard, which are suitable for the transmission and switching of packet services (such as Ethernet and IP services), but do not have SDH (Synchronous Digital Hierarchy, synchronous digital series ) time slot switching and transmission capabilities of the equipment, which causes the PTN equipment to be forward-compatible with the SDH network, and this defect causes the PTN equipment to be unable to effectively utilize the existing SDH-based MSTP (Multi-Service Transfer Platform, Multi-Service Transfer Platform) equipment investment, The life cycle of this type of equipment is shortened, resulting in waste of resources; f...

Claims

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Application Information

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IPC IPC(8): H04J3/16H04L1/00H04L45/74
CPCH04J3/1617H04J3/1635H04J3/1664H04L1/0008H04J3/16H04L1/00
Inventor 周志强
Owner FENGHUO COMM SCI & TECH CO LTD
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