CN212628243U - Basic service architecture and integrated service architecture - Google Patents
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Abstract
The utility model discloses a basic service framework, integrated service framework. The basic business architecture comprises: a transmission system, a cross multiplex system and a service system which are connected in sequence; the transmission system comprises an OTN module and an ASON module which are respectively connected with the cross multiplexing system; the cross-multiplexing system comprises: a plurality of different types of intelligent network elements; the service system comprises: and the voice service network, the video service network and the data service network are connected with the cross multiplexing system. Through the technical scheme, a novel architecture with a service model matched with a bearer network is provided, the quality and the benefit of bearer service are improved by fully utilizing the technical advantages of ASON and OTN, and the method is particularly important and is a practical requirement for improving the comprehensive support capability of the service.
Description
Technical Field
The embodiment of the utility model provides a relate to communication technology field, especially relate to a basic service framework, integrated service framework.
Background
The optical fiber communication is a communication technology which takes light waves as an information carrier and optical fibers as a transmission medium, has the characteristics of large transmission capacity, long distance, strong anti-electromagnetic interference capability, good safety and confidentiality and the like, is rapidly developed and widely applied since the birth of the 20 th century in the 70 th, and becomes a basic bearing platform of a modern communication network. The Optical fiber transmission device technology has undergone development changes such as PDH (plesiochronous Digital Hierarchy), SDH (synchronous Digital Hierarchy), WDM (Wave Division Multiplexing), and the like, and is currently in the stages of OTN (Optical Transport Network), ASON (Automatic Switched Optical Network), PTN (Packet Transport Network), and the like, and the service carrying capacity and the Network intelligence level are greatly improved. However, limited by electronic bottlenecks and node calculation processing capacity, the SDH-based ASON is suitable for bearing VC-4 services, the economy of bearing 622Mbit/s and 2.5Gbit/s large-particle services is poor, the calculation processing capacity of bearing VC-12 and 64K low-rate services is not strong, and the function of the ASON is difficult to realize; OTN is mainly used for carrying NxFE and Nx155 Mbit/s and more large-grain traffic, and cannot directly process VC-12 and 64K low-rate traffic generally.
The services carried by the optical fiber communication network can be divided into different types such as voice, video, data and the like, and can be divided into different granularities such as 64Kbit/s, N × 64Kbit/s, 2Mbit/s, N × 2Mbit/s, 155Mbit/s, 622Mbit/s, 2.5Gbit/s, 10Gbit/s and 10/100M (FE), 1000M (GE), 10GE and the like according to different channel rates used for carrying the services. In some private communication networks, the service model carried by the optical fiber communication network has the following characteristics: from the number of channels used for bearing services, the channels of 64Kbit/s and 2Mbit/s account for more than 90 percent, and the high-rate service channels of 155Mbit/s and above are less than 10 percent; from the used bandwidth resources, the bandwidth occupied by 64Kbit/s and 2Mbit/s services is less than 10%, and the bandwidth occupied by 155Mbit/s and higher high-rate services reaches more than 90%. From the practical viewpoints of service establishment and operation and maintenance, the efficiency of channel resource scheduling management directly determines the service implementation and support capability, and is also the key point of channel scheduling management of an optical fiber communication network.
Obviously, the non-adaptation of the service model to the bearer network is a practical problem for some private network construction and networking applications.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, an embodiment of the present invention provides a basic service architecture and an integrated service architecture, which are used to implement the installation requirement of meeting different models of display computers in a limited space.
In a first aspect, an embodiment of the present invention provides a basic service architecture, where the basic service architecture includes: a transmission system, a cross multiplex system and a service system which are connected in sequence; wherein the content of the first and second substances,
the transmission system comprises an OTN module and an ASON module which are respectively connected with the cross multiplexing system;
the cross-multiplexing system comprises: a plurality of different types of intelligent network elements;
the service system comprises: and the voice service network, the video service network and the data service network are connected with the cross multiplexing system.
Optionally, the intelligent network element includes: SDXC4/1/0 devices cross-aggregating low-rate traffic channels of 155Mbit/s or less based on the SDXC4/1/0 devices; wherein the low-rate traffic channel comprises a 64Kbit/s, a Nx 64Kbit/s, a 2Mbit/s, a Nx 2Mbit/s channel; and converging the low-rate service channels into VC-4 granularity and accessing the VC-4 granularity to the ASON module.
Optionally, the intelligent network element includes: and the MADM converges the services of the VC-4 granularity and the FE granularity which are crossed up and down into ODUk and accesses the OTN module.
Optionally, the intelligent network element includes: and the OTH cross multiplexing unit converges 622Mbit/s and more than 622Mbit/s large-particle services above and below the cross, converges OCh (optical carrier frequency) to be accessed to the optical cross connection unit of the OTN module, and is connected with an optical fiber link.
Optionally, the method further comprises: a control system and a management system;
the control system is connected with a plurality of intelligent network elements, and the intelligent network elements are also connected with each other;
the management system is connected with a plurality of intelligent network elements and a plurality of service nodes simultaneously.
Optionally, if a plurality of the intelligent network elements are connected to form a wireless mesh network, the device aggregates and integrates a low-rate private line service to access the ASON module based on the SDXC4/1/0, and the ASON module is used to support the wireless mesh network, so as to provide corresponding services for service channels of different service level protocols under the combined action of control signaling and GMPLS.
In a second aspect, an embodiment of the present invention provides an integrated service architecture, where the integrated service architecture is implemented based on a basic service architecture of one or more of the above technical solutions, and further includes an integrated service management system connected to the basic service architecture;
the integrated service management system includes: professional network management and comprehensive network management connected with the professional network management.
Optionally, the professional network manager and the basic service framework are connected through a network, including: the system comprises a voice service network manager, a video service network manager and a digital service network manager which are connected with a service system, and an SDXC network manager, an ASON network manager and an OTN network manager which are connected with a cross multiplexing system.
Optionally, the professional webmaster further includes: the system comprises an ASON network manager, an OTN network manager and an OLP network manager which are used for being connected with a transmission system.
Optionally, the integrated network management includes a business network management, a general service network management, and a network specification network optimization network management.
The embodiment of the utility model provides an in, to the business model of private communication network, application demand and ASON, the characteristics of OTN technique, a novel business framework has been designed, realized from 64Kbit/s to 10Gbit/s many granularity business at ASON, the adaptation on the OTN bears, make full use of ASON's intelligence and OTN bear the ability of large granule business, realize the intelligent recovery protection of end-to-end automatic dispatch management of traffic channel and link failure, it bears quality and resource usage benefit to have promoted the business, received fine benefit in the present network uses. Through the scheme, a novel architecture with a service model matched with a bearer network is provided, the quality and the benefit of bearer service are improved by fully utilizing the technical advantages of ASON and OTN, and the method is an actual requirement for improving the comprehensive support capability of the service.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of an infrastructure service architecture according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a cross-multiplexing system according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a channel management system according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an end-to-end service configuration according to an embodiment of the present application;
fig. 5 is a schematic diagram of network intelligent recovery provided by an embodiment of the present application;
fig. 6 is a schematic structural diagram of an integrated service architecture according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and "a plurality" typically includes at least two, but does not exclude the presence of at least one.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
Fig. 1 is a schematic structural diagram of an infrastructure service architecture provided in an embodiment of the present application. The basic business architecture comprises: a transmission system 10, a cross-multiplex system 20 and a service system 30 which are connected in sequence; the transmission system comprises an OTN module and an ASON module which are respectively connected with the cross multiplexing system; the cross-multiplexing system comprises: a plurality of different types of intelligent network elements; the service system comprises: and the voice service network, the video service network and the data service network are connected with the cross multiplexing system.
Aiming at the technical characteristics of a service architecture, an application requirement, an ASON module, an OTN module and the like of a special communication network, a novel basic service architecture is designed, the adaptive bearing of multi-granularity services from 64Kbit/s to 10Gbit/s on the ASON module and the OTN module is realized, the intelligence of the ASON module and the capability of the OTN module for bearing large-granule services are fully utilized, the end-to-end automatic scheduling management of a service channel and the intelligent recovery protection of link faults are realized, and the service bearing quality and the resource use benefit are improved.
The following explains the composition structure and connection relationship in the service architecture, and fig. 2 is a schematic structural diagram of a cross-multiplexing system provided in the embodiment of the present application. The intelligent network element comprises: SDXC4/1/0 devices cross-aggregating low-rate traffic channels of 155Mbit/s or less based on the SDXC4/1/0 devices; wherein the low-rate service channel comprises 64Kbit/s, Nx 64Kbit/s, 2Mbit/s, Nx 2Mbit/s channels and the like; and converging the low-rate service channels into VC-4 granularity and accessing the VC-4 granularity to the ASON module. As can be seen from fig. 2, the cross multiplexing system is composed of SDXC, ADM, MADM, ROADM and other intelligent network elements, and is an important facility for realizing 64Kbit/s, N × 64Kbit/s, 2Mbit/s, N × 2Mbit/s, 155Mbit/s, 622Mbit/s, 2.5Gbit/s, 10Gbit/s and 10/100m (fe), 1000m (GE), and 10GE multi-granularity dedicated line service channel automatic cross connection and add/drop multiplexing, and is also a key for improving service channel automation and scheduling management intelligence.
In the cross multiplexing system, the intelligent network element may be an MADM, and the services of the VC-4 granularity and the FE granularity, which are up and down in the cross, are aggregated into an ODUk and accessed to the OTN module. The MADM (Multiple-ADM) is composed of a plurality of ADMs, supports complex networking modes such as a ring-band chain, an intersecting ring and a tangent ring, and flexibly completes inter-ring service scheduling.
In addition, the intelligent network element may also be an OTH, and the OTH cross multiplexing unit aggregates 622Mbit/s and larger large-granule services above and below the cross, and aggregates the services into an optical cross connection unit in which an OCh is accessed to the OTN module, and is connected with an optical fiber link. And the system is matched with the MADM to meet the requirements of different granularity services.
2M, 64K low-rate business is gathered and accessed to ASON, OTN through SDXC4/1/0, VDF, DDF switching link in the present network can be saved, automatic cross connection and centralized unified management of channels are realized, and the adaptive bearing requirement of the low-rate business on the ASON, OTN is satisfied; 622Mbit/s and above large IP service link is directly loaded on OTN, and protection recovery is provided for the load service by using IP network, so as to form load structure of IP over OTN, and improve service load quality and benefit.
In practical application, the method further comprises the following steps: a control system and a management system. Fig. 3 is a schematic structural diagram of a channel management system according to an embodiment of the present application. The control system is connected with a plurality of intelligent network elements, and the intelligent network elements are also connected with each other; the management system is connected with a plurality of intelligent network elements and a plurality of service nodes simultaneously.
The channel scheduling management organization of the ASON/OTN-based multi-granularity service architecture is shown in figure 3. The scheme adopts standard UNI and NNI protocols and ITU-T G.7714 recommendation standards, defines three types of adjacency such as layer adjacency, physical medium adjacency and control adjacency, adopts OSPF-TE protocol to realize automatic discovery of users, and solves the comprehensive integration of SDXC4/1/0, MADM and ROADM intelligent network elements; under the common support of the control system and the management system, the end-to-end service automatic configuration can be completed only by knowing the source node, the destination node, the bandwidth and the protection level and utilizing the routing and signaling functions of each intelligent network element, and the use requirements of various services such as random access, quick establishment and the like of a user can be met by setting the routing of constrained services such as a required node, a removed node, a required link, a removed link and the like. Fig. 4 is a schematic structural diagram of an end-to-end service configuration provided in an embodiment of the present application. As can be seen from fig. 4, a 155Mbit/s intelligent service is configured between D and I, and the network will calculate the best route (e.g., D-E-I) according to the constraints and configure the cross-connects of the nodes.
Fig. 5 is a schematic diagram of network intelligent recovery according to an embodiment of the present application. As can be seen from the figure, if a plurality of intelligent network elements are connected to form a wireless mesh network, the SDXC 4/1/0-based device aggregates and integrates a low-rate private line service to access the ASON module, and the ASON module is used to support the wireless mesh network, so as to provide corresponding services for traffic channels of different service level protocols under the combined action of control signaling and GMPLS.
The Mesh networking structure can not be influenced by the problems of nodes, line bottlenecks, failures and the like, and the reliability and the survivability of the bearing service are improved. Compared with an SDH ring network, the Mesh networking has high bandwidth utilization rate, good expansibility and strong viability, can save 20 to 40 percent of bandwidth capacity, and is suitable for application scenes with large distributed service volume and more uniform service volume. The invention uses SDXC4/1/0 equipment to converge and integrate low-rate private line service access ASON, uses ASON to support Mesh (grid/Mesh) various survivability mechanisms, and provides corresponding protection and network recovery for service channels of different Service Level Agreements (SLAs) under the combined action of control signaling, GMPLS and the like. Mesh-based one-level (diamond-level) traffic failsafe recovery is shown in fig. 5 (traffic protection of R1 to R3, only unidirectional traffic is illustrated in the figure, bidirectional traffic is similar). The node D adopts a double-transmitting mode to reach the node H through different links, and adopts a selective receiving mode to send one path (D, C, G, H as an example) and the path to the user R3 to finish information transmission; when the optical cable between D, C is disconnected, subscriber R3 can receive information from D, E, F, H with a switch time <50 ms. Meanwhile, a standby link (such as D, A, B, G) is preferably established by utilizing a rerouting technology and traffic engineering, so that permanent 1+1 protection can be provided on the premise of sufficient resources, and the special line service is ensured to have the capability of resisting multiple node and link failures.
Based on the same idea, the embodiment of the present application further provides an integrated service architecture, which is shown in fig. 6. The integrated service architecture is implemented based on the basic service architecture shown in fig. 1, and further includes an integrated service management system connected to the basic service architecture;
the integrated service management system includes: professional network management and comprehensive network management connected with the professional network management.
The professional network manager is connected with the basic service architecture through a network, and the method comprises the following steps: the system comprises a voice service network manager, a video service network manager and a digital service network manager which are connected with a service system, and an SDXC network manager, an ASON network manager and an OTN network manager which are connected with a cross multiplexing system.
The professional webmaster further comprises: the system comprises an ASON network manager, an OTN network manager and an OLP network manager which are used for being connected with a transmission system.
The comprehensive network management comprises a business network management, a total service network management and a network specification network optimization network management
The integrated management organization of the multi-granularity business architecture based on the ASON/OTN is shown in FIG. 6. The invention researches the northbound interface types, the network management information contents, the formats, the issuing mechanisms, the issuing time and the like of different manufacturers and different network management systems, adopts software to filter out secondary and redundant alarm information, reduces the types and the quantity of the network management information, realizes the fusion processing of the network management information of different levels and different service network systems, and improves the accuracy and the timeliness of fault diagnosis. When the bearing service has a fault, the management plane comprehensively receives fault alarm information of the transmission network and the service network, comprehensively judges the fault type and the property, and preferentially recovers the high-level service according to the QoS attribute of the service to ensure the uninterrupted transmission of the important service; and acousto-optic and text alarm information is sent out, so that maintenance personnel can timely know and master the fault condition, corresponding faults are treated, and stable and reliable operation of the bearing service is ensured. Meanwhile, by utilizing the flow engineering function, the load-bearing service can avoid congested paths, nodes and high-risk paths and nodes, and the balanced network service is automatically shared, so that the bandwidth utilization rate is improved, and the network planning management is facilitated.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. An infrastructure business architecture, the infrastructure business architecture comprising: a transmission system, a cross multiplex system and a service system which are connected in sequence; wherein the content of the first and second substances,
the transmission system comprises an OTN module and an ASON module which are respectively connected with the cross multiplexing system;
the cross-multiplexing system comprises: a plurality of different types of intelligent network elements;
the service system comprises: and the voice service network, the video service network and the data service network are connected with the cross multiplexing system.
2. The architecture of claim 1, wherein the intelligent network element comprises: SDXC4/1/0 devices cross-aggregating low-rate traffic channels of 155Mbit/s or less based on the SDXC4/1/0 devices; wherein the low-rate traffic channel comprises a 64Kbit/s, a Nx 64Kbit/s, a 2Mbit/s, a Nx 2Mbit/s channel; and converging the low-rate service channels into VC-4 granularity and accessing the VC-4 granularity to the ASON module.
3. The architecture of claim 2, wherein the intelligent network element comprises: and the MADM converges the services of the VC-4 granularity and the FE granularity which are crossed up and down into ODUk and accesses the OTN module.
4. The architecture of claim 3, wherein the intelligent network element comprises: and the OTH cross multiplexing unit converges 622Mbit/s and more than 622Mbit/s large-particle services above and below the cross, converges OCh (optical carrier frequency) to be accessed to the optical cross connection unit of the OTN module, and is connected with an optical fiber link.
5. The architecture of claim 2, further comprising: a control system and a management system;
the control system is connected with a plurality of intelligent network elements, and the intelligent network elements are also connected with each other;
the management system is connected with a plurality of intelligent network elements and a plurality of service nodes simultaneously.
6. The architecture of claim 5, wherein if a plurality of intelligent network elements are connected to form a wireless mesh network, then integrating low-rate private line services into the ASON module based on SDXC4/1/0 equipment convergence, and supporting the wireless mesh network by the ASON module to provide corresponding services for traffic channels of different service level protocols under combined control signaling and GMPLS.
7. An integrated services architecture, characterized in that it is implemented on the basis of the basic services architecture of claims 1 to 6, and in addition comprises an integrated services management system connected to said basic services architecture;
the integrated service management system includes: professional network management and comprehensive network management connected with the professional network management.
8. The integrated services architecture of claim 7, wherein the professional network manager and the basic services architecture are connected via a network, comprising: the system comprises a voice service network manager, a video service network manager and a digital service network manager which are connected with a service system, and an SDXC network manager, an ASON network manager and an OTN network manager which are connected with a cross multiplexing system.
9. The integrated services architecture of claim 8, wherein the professional webmaster further comprises: the system comprises an ASON network manager, an OTN network manager and an OLP network manager which are used for being connected with a transmission system.
10. The integrated service architecture of claim 7, wherein the integrated network manager comprises a business network manager, a general service network manager, and a network-scale network optimization network manager.
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