Auto-generation of configuration and topology models
专利汇可以提供Auto-generation of configuration and topology models专利检索，专利查询，专利分析的服务。并且Systems and methods are provided for generating an Internetworking Operating System (IOS) Command Line Interface (CLI) configuration model and a logical topology from an IOS CLI configuration base. The method includes representing structure and cross-CLI dependencies in a formal specification format, such as Extended Backus-Naur Form (EBNF), and translating the representation into a machine-processable structure and code referred to as the IOS CLI Dependency Tree (ICDT). The ICDT is the configuration model. The ICDT optionally may be manipulated to generate configuration models in other formats, such as Java classes or XSD (extensible markup language Schema Definition). The method further includes generating the logical topology from the ICDT.，下面是Auto-generation of configuration and topology models专利的具体信息内容。
What is claimed is:
1. Field of Invention
The present invention relates in general to the field of network and device configuration management. More specifically, embodiments of the present invention relate to systems and methods for auto-generation of configuration and logical topology models from an Internetworking Operating System (IOS) Command Line Interface (CLI) configuration base.
2. Description of the Background Art
Internetworking Operating System (IOS), such as Cisco's IOS, is a flagship software for control and management of devices, such as Cisco's devices. IOS provides a Command Line Interface (CLI) that is used to configure IOS-based devices.
For proper management of a network, element or network management systems, especially configuration management systems, need to be equipped with configuration and logical topology models. Generally, the process of building such models is manual and laborious. Hence, there is a need for automating the generation of configuration and topology models. Present state-of-the-art does not provide mechanisms for automation, specially, with respect to IOS CLI configuration bases. Since devices (e.g., Cisco devices) are widely used in the networks, as a consequence IOS CLI for configuration of devices, there is a need for automation of configuration and topology model generation.
In an embodiment of the present invention, a method is provided for automatically generating a configuration model from an Internetworking Operating System (IOS) Command Line Interface (CLI) configuration base. The method includes representing structure and cross- CLI dependencies in a formal specification format, such as Extended Backus-Naur Form (EBNF), and translating the representation into a machine-processable structure and code referred to as an IOS CLI Dependency Tree (ICDT). The ICDT is the configuration model, and optionally may be manipulated to generate configuration models in other formats, such as Java classes or XSD (eXtensible markup language Schema Definition).
In another embodiment of the present invention, a method is provided for auto- generating logical topology model from the ICDT. The logical topology is configured implicitly by using IOS CLI. Hence, the ICDT configuration model contains information about logical topology, which may be extracted from the ICDT.
These provisions together with the various ancillary provisions and features which will become apparent to those artisans possessing skill in the art as the following description proceeds are attained by devices, assemblies, systems and methods of embodiments of the present invention, various embodiments thereof being shown with reference to the accompanying drawings, by way of example only, wherein:
Various embodiments of the provide invention provide systems and methods for auto- generation of Internetworking Operating System (IOS) Command Line Interface (CLI) model and logical topology from an IOS CLI configuration base.
atm 1/0 and atm pvp 1 CLIs are in containment dependency, wherein atm 1/0 is the interface while atm pvp 1 is the sub-interface. Further, in the following example of IOS CLI configuration base,
component pvp1 pseudowire is defined separately and referred from the xconnect CLI. Therefore, pvp1 pseudowire and xconnect have the reference type dependency. Tunnel10 in the pvp1 pseudowire definition is also an example of the reference type dependency.
At step 204, an ICDT is then generated based on the represented structure of the IOS CLI configuration base, and the represented Cross-CLI dependencies. This is further illustrated in conjunction with
In various embodiments of the invention, the ICDT may be generated in a user-defined format. The IOS CLI configuration model may then be correspondingly generated in the user- defined format, which may be, for example, XML (eXtensible Markup Language), XSD (XML Schema Definition), CIM (Common Information Model), MOF (Meta Object Format), C++ classes, Java classes, and the like. For example, Java/C++ classes may be generated for ICDT representing interface, atm, pvp, and service-policy (MQC quality of service policy). In this case, each of the classes can be augmented with appropriate references: interface to atm to pvp to service-policy. Similarly, the ICDT may be generated in XML. In various embodiments of the invention, the mapping rules that generate the IOS CLI configuration model in the user-defined format are represented at step 202.
At step 208, a logical topology of the IOS CLI configuration model is generated. In various embodiments of the invention, a logical topology may be generated based on the user- defined configuration and the ICDT. The logical topology may be derived by identifying CLI keywords that configure the logical topology. For example, xconnect, destination, tunnel, and pvp, are the CLI keywords that configure the logical topology. A table of the CLI keywords is then constructed. The ICDT may then be traversed down recursively starting from the root. A logical topology node N is created for an element in the table that matches a CLI keyword in the ICDT. The node may contain the CLI keyword and its immediate parameter. For example, the node may contain tunnel 10, pvp 1, or xconnect 555. Thereafter, the node may be connected with any previously created node in the recursion.
In various embodiments of the invention, the CLI keywords are divided based on their level or mode and then a table of the CLI keywords is constructed. For example, atm may be at level 1, pvp may be at level 2, xconnect may be at level 3, tunnel may be at level 1, and tunnel destination may be at level 2.
Formal specification tool 702 is used to represent a structure of an IOS CLI configuration model in a formal specification format. Further, formal specification tool 702 is used to represent cross-CLI dependencies associated with the IOS CLI configuration base in the formal specification format. In various embodiments of the invention, formal specification tool 702 may be Back-Naur Form (BNF) or Extended-BNF (EBNF). Dependency tree generator 704 generates the ICDT based on the represented structure of the IOS CLI configuration base. In various embodiments of the invention, dependency tree generator 704 may generate the ICDT based on the represented structure and the cross-CLI dependencies associated with the IOS CLI configuration base. In further various embodiments of the invention, dependency tree generator 704 generates the ICDT by using parser generators, such as Lex/Yacc-type LL(K) parser generator.
Model generator 706 generates the IOS CLI configuration model based on the ICDT and a user-defined configuration 708. In various embodiments of the invention, dependency tree generator 704 may generate the ICDT in a user-defined format 710. Model generator 706 then correspondingly, generates the IOS CLI configuration model in user-defined format 710. User- defined format 710 may be for example, XML (eXtensible Markup Language), XSD (XML Schema Definition), CIM (Common Information Model), MOF (Meta Object Format), C++ classes, Java classes, and the like.
In various embodiments of the invention, model generator 706 may further generate a logical topology of the IOS CLI configuration model. In various embodiments of the invention, model generator 706 generates a logical topology based on user-defined configuration 708 and the ICDT. In various embodiments of the invention, model generator 706 generates the logical topology of the IOS CLI configuration model by identifying CLI keywords that configure the logical topology. For example, xconnect, destination, tunnel, and pvp, are the CLI keywords that configure the logical topology. A table of the CLI keywords is then constructed by model generator 706. The ICDT may then be traversed down recursively starting from the root by model generator 706. A logical topology node N is then created by model generator 706, for an element in the table that matches a CLI keyword in the ICDT.
In various embodiments of the invention, model generator 706 compiles the code corresponding to ICDT into a binary format and generates the IOS CLI configuration base model and the logical topology based on user-defined configuration 708.
In various embodiments of the invention, formal specification tool 702 is further used to represent mapping rules in the formal specification format to generate the ICDT in user-defined format 712. Model generator 706 uses these mapping rules to generate the IOS CLI configuration model in user-defined format 710. In various embodiments of the invention, formal specification tool 702 is further used to represent mapping rules in the formal specification format for generation of logical topology. Model generator 706 uses these mapping rules to generate the logical topology.
In various embodiments of the invention, formal specification of the IOS CLI configuration base, including cross-CLI dependency is inputted to formal specification tool 702. Dependency tree generator 704 generates the ICDT based on the input formal specification to formal specification tool 702. In various embodiments of the invention, dependency tree generated 704 may generate the ICDT in user-defined format 710, by using the formal specification of mapping rules. Model generator 706 may compile the code, based on the generated ICDT, to binary. The binary generated IOS CLI configuration model and the logical topology are based on user-defined configuration 708.
The various embodiments of the invention provide systems and methods that enable auto- generation of IOS CLI configuration models and logical topology from an IOS CLI configuration base.
Although the invention has been discussed with respect to specific embodiments thereof, these embodiments are merely illustrative, and not restrictive, of the invention. Any suitable programming language can be used to implement the routines of the present invention including C, C++, Java, assembly language, etc. Different programming techniques can be employed such as procedural or object oriented. The routines can execute on a single processing device or multiple processors. Although the steps, operations or computations may be presented in a specific order, this order may be changed in different embodiments. In some embodiments, multiple steps shown as sequential in this specification can be performed at the same time. The sequence of operations described herein can be interrupted, suspended, or otherwise controlled by another process, such as an operating system, kernel, etc. The routines can operate in an operating system environment or as stand-alone routines occupying all, or a substantial part, of the system processing.
In the description herein, numerous specific details are provided, such as examples of components and/or methods, to provide a thorough understanding of embodiments of the present invention. One skilled in the relevant art will recognize, however, that an embodiment of the invention can be practiced without one or more of the specific details, or with other apparatus, systems, assemblies, methods, components, materials, parts, and/or the like. In other instances, well-known structures, materials, or operations are not specifically shown or described in detail to avoid obscuring aspects of embodiments of the present invention.
A “computer-readable medium” for purposes of embodiments of the present invention may be any medium that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, system or device. The computer readable medium can be, by way of example only but not by limitation, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, system, device, propagation medium, or computer memory.
A “processor” or “process” includes any human, hardware and/or software system, mechanism or component that processes data, signals or other information. A processor can include a system with a general-purpose central processing unit, multiple processing units, dedicated circuitry for achieving functionality, or other systems. Processing need not be limited to a geographic location, or have temporal limitations. For example, a processor can perform its functions in “real time,” “offline,” in a “batch mode,” etc. Portions of processing can be performed at different times and at different locations, by different (or the same) processing systems.
Reference throughout this specification to “one embodiment”, “an embodiment”, or “a specific embodiment” means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention and not necessarily in all embodiments. Thus, respective appearances of the phrases “in one embodiment”, “in an embodiment”, or “in a specific embodiment” in various places throughout this specification are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, or characteristics of any specific embodiment of the present invention may be combined in any suitable manner with one or more other embodiments. It is to be understood that other variations and modifications of the embodiments of the present invention described and illustrated herein are possible in light of the teachings herein and are to be considered as part of the spirit and scope of the present invention.
Embodiments of the invention may be implemented by using a programmed general purpose digital computer, by using application specific integrated circuits, programmable logic devices, field programmable gate arrays, optical, chemical, biological, quantum or nanoengineered systems, components and mechanisms may be used. In general, the functions of the present invention can be achieved by any means as is known in the art. Distributed, or networked systems, components and circuits can be used. Communication, or transfer, of data may be wired, wireless, or by any other means.
It will also be appreciated that one or more of the elements depicted in the drawings/figures can also be implemented in a more separated or integrated manner, or even removed or rendered as inoperable in certain cases, as is useful in accordance with a particular application. It is also within the spirit and scope of the present invention to implement a program or code that can be stored in a machine-readable medium to permit a computer to perform any of the methods described above.
Additionally, any signal arrows in the drawings/Figures should be considered only as exemplary, and not limiting, unless otherwise specifically noted. Furthermore, the term “or” as used herein is generally intended to mean “and/or” unless otherwise indicated. Combinations of components or steps will also be considered as being noted, where terminology is foreseen as rendering the ability to separate or combine is unclear.
As used in the description herein and throughout the claims that follow, “a”, “an”, and “the” includes plural references unless the context clearly dictates otherwise. Also, as used in the description herein and throughout the claims that follow, the meaning of “in” includes “in” and “on” unless the context clearly dictates otherwise.
The foregoing description of illustrated embodiments of the present invention, including what is described in the Abstract, is not intended to be exhaustive or to limit the invention to the precise forms disclosed herein. While specific embodiments of, and examples for, the invention are described herein for illustrative purposes only, various equivalent modifications are possible within the spirit and scope of the present invention, as those skilled in the relevant art will recognize and appreciate. As indicated, these modifications may be made to the present invention in light of the foregoing description of illustrated embodiments of the present invention and are to be included within the spirit and scope of the present invention.
Thus, while the present invention has been described herein with reference to particular embodiments thereof, a latitude of modification, various changes and substitutions are intended in the foregoing disclosures, and it will be appreciated that in some instances some features of embodiments of the invention will be employed without a corresponding use of other features without departing from the scope and spirit of the invention as set forth. Therefore, many modifications may be made to adapt a particular situation or material to the essential scope and spirit of the present invention. It is intended that the invention not be limited to the particular terms used in following claims and/or to the particular embodiment disclosed as the best mode contemplated for carrying out this invention, but that the invention will include any and all embodiments and equivalents falling within the scope of the appended claims.
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