an effective approach for network management based on situation management and mashups
TRANSCRIPT
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Instituto de Informática – UFRGS
An Effective Approach for Network Management Based on Situation
Management and Mashups
Oscar Mauricio Caicedo Rendón
Supervisor: Lisandro Zambenedetti Granville
Federal University of Rio Grande do Sul – UFRGS
Institute of Informatics - http://inf.ufrgs.br/en/
Computer Networks Group – http://networks.inf.ufrgs.br/
Porto Alegre, RS – Brazil
16-03-2015 1
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Outline
• Introduction
• Mashment ecosystem
• Process for addressing nmsits
• Mashment system architecture
• Evaluation
• Summary and conclusions
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Introduction
Contextualization
• Situation Management (SM)
• Mashups
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Introduction
Contextualization • What is SM?
– Address situations happening or that might happen in dynamic systems (Jakobson et al., 2005)
– A situation is a composed entity in a particular application domain whose components are other entities, their attributes, and relationships in a time interval (Kokar et al., 2009)
– Provide solutions that enable analyzing, correlating, and coordinating interactions among people, information, technologies, and actions targeted to overcome situations (Jakobson, 2014)
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Introduction
Contextualization
• SM application domains
– Origin - > militar domain
– Satellite networking (Gopal, 2007)
– Disaster response (George et al., 2010)
– Smart power grid (Magoutas et al., 2011)
– Civil crisis (Hein et al., 2012)
– Aviation (Koelle and Tarter, 2012)
– Public health (Pereira et al., 2013)
– Electric power systems (Krohns-Valimaki et al., 2013)
– Emergency medical assistance (Bruns et al., 2014)
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There is few work about the use of SM in network management
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Introduction
Contextualization
• What are mashups?
– Mashups are Web applications built up by end-users through the combination of Web resources available along the Internet (Simmen et al., 2008) (Cappiello et al., 2010)
– Mashups allow end-users, without advanced programming skills, to create their own and customized applications (Laga et al., 2012)
– Mashups encourage both cooperation and reuse among end-users (Huang et al., 2012)
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Introduction
Mashups have not been used to face the complexity and time of tasks performed by network administrators in their daily work when coping with situations
Contextualization
• Mashups application domains
– Origin - > music domain
– Project management (Ozkan and Abidin, 2009)
– Water floods (Tosti and Smari, 2010)
– Fire emergencies (Jchrzak and More, 2011)
– Telco services (Gebhardt et al., 2012)
– Data integration (Han et al., 2013)
– Immersive mirror worlds (Stirbu et al., 2013)
– IT Service Management (Santos et al., 2011) (Santos et al., 2013)
– Music (Davies et al., 2014)
– Specific tasks for network management (Bezerra et al., 2010) (Santos et al., 2010)
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Introduction
Problem Statement
Oscar Mauricio Caicedo Rendón
Find the root cause of unexpected and multiple packet transmission failures in network slices formed by OpenFlow networks
Situations Options Shortcomings
Manage the abrupt performance degradation of one or more switches/routers on networks that use diverse virtualization technologies
Monitor sudden violations in service level agreements in a near real time way
Employ non-integrated solutions such as traceroute, ZenOSS, and OpenNMS
Develop low-level scripts to integrate mismatched solutions
Use research solutions based on policies (e.g. PROCERA), business processes (e.g. MEICAN), and service composition (e.g. NetOpen)
It hinders and overloads the work carried out by network administrators
Developing scripts is complex for a network administrator because, usually, he/she is not an expert programmer
Writing policies, queries, or primitives in specific languages and/or controllers remains complexity in network management
(Chen et al., 2010) (Kim and Kim, 2011) (Santanna et al., 2012)
(Monsanto et al., 2013) (Kim and Feamster, 2013) (Zaalouk et al., 2014)
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Introduction
Problem Statement
• In the network management domain, large research efforts (Chen et al., 2010) (Kim and Kim, 2011) (Santanna et al., 2012) (Monsanto et al., 2013) (Kim and Feamster, 2013) (Zaalouk et al., 2014) have been made to automate and facilitate the management tasks
• So far, none of these efforts has carried out network management by means of SM and mashups
Oscar Mauricio Caicedo Rendón
How to carry out network management, in an effective way, by SM and mashups?
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Introduction
General Objective
• Investigate the feasibility of using SM and mashups as an effective approach for network management
• Effective approach in terms of
– The complexity perceived and the time taken (time-consuming) by network administrators when carrying out tasks for facing situations
– The traffic and the time of response (time-response) of solutions used by network administrators for coping with situations
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Introduction
Hypothesis
• The employment of SM and mashups provides an effective approach for network management
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Introduction
Research questions
• What is the performance, in terms of the complexity and consuming of time, of solutions that use SM and mashups for network management?
• What is the performance, in terms of traffic and time of response, of solutions based on SM and mashups for network management?
• Which mechanisms could be employed to improve the performance of solutions that use SM and mashups for network management?
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Introduction
Contributions
• Conceptual – The network management
situation concept and its data model
– The mashment concept and its data model
• Specific ― The mashment ecosystem
― The process for addressing network management situations
― The mashment system architecture
― The model for measuring complexity and time-consuming
― The mechanism to automatically recognize network management situations
― The mechanism to dynamic composition of mashments
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Mashment Ecosystem
An Effective Approach for Network
Management Based on Situation
Management and Mashups
OSCAR MAURICIO CAICEDO RENDON, Felipe Estrada-Solano, Lisandro Zambenedetti Granville. A Mashup Ecosystem for Network Management Situations. The IEEE Global Communications Conference (GLOBECOM 2013), 9-13 December 2013, Atlanta, United States
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Mashment ecosystem
What is a nmsit?
• A network management situation (nmsit) is an unexpected, dynamic, and heterogeneous situation happening or that might happen in the network management domain
– Manage the abrupt performance degradation of one or more switches/routers on networks that use diverse virtualization technologies
– Monitor sudden violations in service level agreements in a near real time way when, for instance, links formed by virtual switches suffer abrupt and intermittent performance degradation
– Find the root cause of the unexpected traffic overload suffered by a set of routers/switches
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Mashment ecosystem
• Mashment
― Tunable mashup
― Diverse types of resources
― Multiple providers
― SM investigative aspect
― SM control aspect
What is a mashment?
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Mashment ecosystem
What is a mashment ecosystem?
Interactions among
software entities,
providers, and end-users
Mashment Ecosystem
Acting as a single unit
Software entities
supporting activities
Activities performed by end-users and
providers
Mashments
End-users creating and
using mashments
Resources for network
management
Providers supplying
resources for network
management and software
entities
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Mashment ecosystem
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Process for adressing nmsits
OSCAR MAURICIO CAICEDO RENDON, Felipe Estrada-Solano, Lisandro Zambenedetti Granville. An Approach to Overcome the Complexity of Network Management Situations by Mashments. The 28th IEEE International Conference on Advanced Information Networking and Applications (AINA 2014), 13-16 May 2014, Victoria, Canada
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An Effective Approach for Network
Management Based on Situation
Management and Mashups
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Process for addressing nmsits
Overall Process
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Process for addressing nmsits
Complexity
Complexity is the difficulty perceived by network administrators to carry out tasks targeted to overcome nmsits
These complexities are expressed by using per-task metrics defined for IT Service Management processes (Diao and Keller, 2006)
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𝞯 = 𝞯𝑠𝑒𝑙
𝑖
1
+ 𝞯𝑐𝑜𝑛 + 𝞯𝑐𝑜𝑚 + 𝞯𝑙𝑎𝑢
𝑜
1
𝑘
1
𝑗
1
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Process for addressing nmsits
Time-consuming
Time-consuming is the time that network administrator takes to carry out tasks targeted to face nmsits
These times are expressed using the Keystroke-Level Model (Kieras, 2001) (Tian et al., 2011)
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𝑻= 𝑻𝑠𝑒𝑙 𝑖1 + 𝑻𝑐𝑜𝑛 + 𝑻𝑐𝑜𝑚 + 𝑻𝑙𝑎𝑢
𝑜1
𝑘1
𝑗1
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Mashment system architecture OSCAR MAURICIO CAICEDO RENDON, Carlos Raniery P. dos Santos, Arthur Selle Jacobs, Lisandro Zambenedetti Granville. Monitoring Virtual Nodes Using Mashups. Computer Networks (COMNET), v. 64, pp. 55-70, May 2014. ISSN 1389-1286 OSCAR MAURICIO CAICEDO RENDON, Felipe Estrada-Solano, Lisandro Zambenedetti Granville. A Mashup-based Approach for Virtual SDN Management. The 37th IEEE Annual International Computer Software & Applications Conference (COMPSAC 2013), 22-26 July 2013, Kyoto, Japan OSCAR MAURICIO CAICEDO RENDON, Felipe Estrada-Solano, Vinicius Guimarães, Lisandro Zambenedetti Granville. Rich Dynamic Mashments: An Approach for Network Management Based on Mashups and Situation Management. Computer Networks (COMNET), 2015, submitted
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An Effective Approach for Network
Management Based on Situation
Management and Mashups
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Mashment system architecture
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Managed resources layer
Mashment system architecture
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Adaptation layer
Mashment system architecture
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Composition layer
Mashment system architecture
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Composition layer
Mashment system architecture
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Composition layer
Mashment system architecture
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Composition layer
Mashment system architecture
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Presentation layer
Mashment system architecture
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Evaluation
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An Effective Approach for Network
Management Based on Situation
Management and Mashups
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SDN Case Study - test environment -
challenge: it is needed the fast and ease development of a solution able to present, in an integrated, visual, and intelligible way, information about Open vSwitches, links, and flows handled by Beacon, POX, and Floodlight
nmsit: the Network Administrator needs to investigate which are the Open vSwitches that are causing sudden performance degradation in the OpenFlow-based networks of the test environment
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SDN Case Study - test environment -
• The Network Administrator creates, launches, and uses different and mismatched Web-based solutions (e.g., Beacon Web Tool, Floodlight Web Tool, and POX Web Tool)
• The Network Administrator creates, launches, and uses a Situational Script that integrates such mismatched solutions
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SDN Case Study - test environment -
• The Network Administrator develops and launches PMM by the Mashment Maker
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SDN Case Study - test environment -
• The Network Administrator uses PMM to retrieve information about switches, links, and flows handled by Beacon, POX, and Floodlight
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SDN Case Study - complexity -
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The mashment-based approach decreases the complexity (approx 37%)
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SDN Case Study - time-consuming -
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The mashment-based approach decreases the time-consuming (approx 75%)
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SDN Case Study - time-response -
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The time-response of PMM is always ranked as good
Time-response (Joines et al., 2002) optimal (r < = 100) good (100 < r < = 1000) admissible (1000 < r < = 10000) deficient (r > 10000)
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SDN Case Study - traffic -
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PMM - additional traffic less than 10%
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Virtual Nodes Case Study - test environment -
challenge: it is needed a situational solution that presents, in an integrated, visual, and intelligible way, information about Xen, VirtualBox, guests, and Open vSwitches (including links, flows, ports, and traffic)
nmsit: the Network Administrator needs to investigate the Host Computer Systems and guests suffering unexpectedly overload in processor, memory, and/or network as well as the Open vSwitches that are causing sudden performance degradation in an OpenFlow-based network handled by Floodlight
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Virtual Nodes Case Study - test environment - • The Network Administrator creates, launches, and uses diverse and disparate Web-based solutions
(e.g., oVirt and Floodlight Web Tool)
• The Network Administrator creates, launches, and uses a Monitoring Script that integrates such disparate solutions
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Virtual Nodes Case Study - test environment -
• The Network Administrator develops and launches VNMM by the Mashment Maker
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Virtual Nodes Case Study - test environment -
• The Network Administrator uses VNMM to retrieve information about guests, switches, and links located at a virtual node
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Virtual Nodes Case Study - complexity -
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The mashment-based approach decreases the complexity (about 20%)
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Virtual Nodes Case Study - time-consuming -
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The mashment-based approach decreases the time-consuming (about 75%)
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Virtual Nodes Case Study - time-response -
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The time-response of VNMM is always ranked as good
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Virtual Nodes Case Study - traffic -
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VNMM – additional traffic less than 10%
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Dynamic Mashments Case Study - test environment -
• Recognize several nmsits by nmsit patterns
• Compose mashments by templates
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Dynamic Mashments Case Study - test environment -
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Dynamic Mashments Case Study - test environment -
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Dynamic Mashments Case Study - time-recognition -
The nmsits are recognized in a short time
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Dynamic Mashments Case Study - time-composition -
The time-composition is short (Ordonez et al., 2014)
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Dynamic Mashments Case Study - time-consuming -
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The mechanisms for automatically recognizing nmsits and dynamically composing mashments decrease the time-consuming (about 92%)
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Summary and conclusions
Final remarks
• The network management is driven towards an environment focused on situations, composite situational solutions, and network administrators
• The mashup foundations are brought up to the SM discipline to carry out its investigative and control aspects
• The mashup technology is led to a novel application domain located in the intersection of SM and the network management
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• Flexibility
― Mashments provide a flexible and easy-to-use way for user-centric service composition
― Network technologies and situational management operations are represented as mashup-able components
― Network Administrators do not require a lot of Web programming skills to create situational management capabilities
― Network Administrators can customize and improve their workspace by themselves
Final remarks
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Summary and conclusions
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• Extensibility
― Network Administrators can addressing nmsits by conducting a simple process for creating/using mashments
― Network Administrators who develop mashments are able to extend the Mashment Ecosystem and, therefore, enhance/improve their workspace
― Building up a mashment from existing applications is easier than developing a composite application from scratch
Final remarks
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Conclusions and future work
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Answering the research questions What is the performance, in terms of the complexity and consuming of time, of solutions that use SM and mashups for network management?
The evaluations indicate that the mashment-based approach can be less complex and consuming of time than proprietary and incompatible CLIs and GUIs used currently for coping with nmsits
What is the performance, in terms of traffic and time of response, of solutions based on SM and mashups for network management?
Which mechanisms could be employed to improve the performance of solutions that use SM and mashups for network management?
The evaluations indicate that the time of response of mashments can be ranked as optimal and/or good. Their behavior in traffic is similar to the current solutions used for coping with nmsits
The evaluations indicate that mechanisms for nmsits recognition and dynamic mashment composition can be used to improve the performance, in terms of complexity and time-consuming, of the mashment-based approach
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Summary and conclusions
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Future work
• Distribute the mashment-based approach
• Create the deployment cost model of the proposed approach
• Explore the use of Big Data and Artificial Intelligence on mashments
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Summary and conclusions
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Publications
• OSCAR MAURICIO CAICEDO RENDON, Carlos Raniery P. dos Santos, Arthur Selle Jacobs, Lisandro Zambenedetti Granville. Monitoring Virtual Nodes Using Mashups. Computer Networks (COMNET), v. 64, pp. 55-70, May 2014. ISSN 1389-1286
• OSCAR MAURICIO CAICEDO RENDON, Felipe Estrada-Solano, Lisandro Zambenedetti Granville. An Approach to Overcome the Complexity of Network Management Situations by Mashments. The 28th IEEE International Conference on Advanced Information Networking and Applications (AINA 2014), 13-16 May 2014, Victoria, Canada
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Summary and conclusions
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Publications
• OSCAR MAURICIO CAICEDO RENDON, Felipe Estrada-Solano, Lisandro Zambenedetti Granville. A Mashup Ecosystem for Network Management Situations. The IEEE Global Communications Conference (GLOBECOM 2013), 9-13 December 2013, Atlanta, United States
• OSCARMAURICIO CAICEDO RENDON, Felipe Estrada-Solano, Lisandro Zambenedetti Granville. A Mashup-based Approach for Virtual SDN Management. The 37th IEEE Annual International Computer Software & Applications Conference (COMPSAC 2013), 22-26 July 2013, Kyoto, Japan
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Summary and conclusions
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Summary and conclusions
Publications
• OSCAR MAURICIO CAICEDO RENDON, Felipe Estrada-Solano, Vinicius Guimarães, Lisandro Zambenedetti Granville. Rich Dynamic Mashments: An Approach for Network Management Based on Mashups and Situation Management. Computer Networks (COMNET), 2015, submitted - *
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Summary and conclusions
Collaborations
• Wanderson Paim de Jesus, Ricardo L. dos Santos, OSCAR MAURICIO CAICEDO RENDON, Lisandro Zambenedetti Granville. A Platform for Programmable Virtual Network Management. The 31st Brazilian Symposium on Computer Networks and Distributed Systems (SBRC 2013), 6-10 May 2013, Brasilia, Brazil
• Armando Ordóñez, Jesus David Ramirez, Paolo Falcarin, OSCAR MAURICIO CAICEDO RENDON, Lisandro Zambenedetti Granville. An Architecture for Self-Reconfiguration of Convergent Telecom Processes. The 7th International Workshop on Principles of Engineering Service-Oriented and Cloud Systems (PESOS 2015), 23 May 2015, Florence, Italy, accepted *
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Summary and conclusions
Collaborations
• Armando Ordóñez, Vidal Alcazar, OSCAR MAURICIO CAICEDO RENDON, Paolo Falcarin, Juan Corrales, Lisandro Zambenedetti Granville. Towards Automated Composition of Convergent Services: a survey. Computer Communications (COMCOM), ISSN 0140-3664, revision submitted - *
• Ricardo L dos Santos, OSCAR MAURICIO CAICEDO RENDON, Juliano Wickboldt, Lisandro Zambenedetti Granville. App2net: A Platform to Transfer and Configure Applications on Programmable Virtual Networks. The 20th IEEE Symposium on Computers and Communications, 2015, submitted - *
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Popayán – Colombia La Fonda Patía - Colombia
¡Gracias!
Oscar Mauricio Caicedo Rendón
An Effective Approach for Network
Management Based on Situation
Management and Mashups