A Mashup-based Approach for Virtual SDN Management

Instituto de Informática – UFRGS
A Mashup-based Approach for
Virtual SDN Management
Oscar Mauricio Caicedo Rendón
Carlos Felipe Estrada Solano
Lisandro Zambenedetti Granville
University Federal do Rio Grande do Sul – UFRGS
Computer Networks – http://networks.inf.ufrgs.br/
Institute of Informatics - http://inf.ufrgs.br/en/
Porto Alegre, Brazil
23-07-2013
COMPSAC 2013 - The 37th Annual International Computer Software & Applications Conference

Outline
• Introduction
• SDN Mashups
• SDN Mashup System
• Case Study
• Conclusions & Future Work
Oscar Mauricio Caicedo RendónOutline

4 / 16Oscar Mauricio Caicedo Rendón
Introduction| SDN Mashups | SDN Mashup System | Case Study | Conclusions
Introduction
Software Defined Networking
SDN deployment proposals
 OpenFlow (McKeown et al., 2008) (Lantz, Heller, and McKeown, 2010)
 FORCES (Forwarding and Control Element Separation) (Doria et al., 2010)
Network
Application
Network
Application
Network Operating System (NOS)
Network
Application
Open API
Open Protocol
Packet Forwarding
Application
Plane
Control
Plane
Data
Plane
General Architecture

Introduction
Virtual SDN
 Virtual SDN = SDN aided by virtualization
technologies
 A Virtual SDN is a subset of the underlying physical
network and, usually, can be formed by several SDN-
enabled virtual resources
 Goal: Sharing a network physical infrastructure
among several virtual networks
Network
Application
Network
Application
NOS
Open API
Open Protocol
Physical Packet Forwarding
Virtual Packet Forwarding
Virtualization Layer
Virtual SDN Architecture

Introduction
Problem Statement
How to manage virtual, heterogeneous, and SDN-based networks in an integrated way and regardless of
NOS by focusing in the Network Administrator?
Network
Application A
Network
Application B
NOS_1
Open API_1
Open Protocol_1
Virtualization Layer X
Network
Application C
Network
Application D
NOS_n
Open API_n
Open Protocol_n
Virtualization Layer Y
 Different NOS
implementations
 Diverse
virtualization
technologies
 Several specific NOS
management tools

Introduction
Hypothesis based on Mashups
 A novel mashup-based approach lets
to deal with the heterogeneity of
Virtual SDN and allows Network
Administrators to build up SDN
Management composite solutions
 Approach formed by
• The SDN Mashup concept
• The SDN Mashup System
 Mashups are Web applications created through the
integration of different resources (e.g., data, application
logic, and user interfaces) available on the Internet (Simmen
et al., 2008)
 Mashups allow end-users, without advanced programming
skills, to create their own and customized applications
(Cappiello et al., 2010)
 Mashups encourage both cooperation and reuse among
end-users (Yu, 2008)

SDN Mashups
What is a SDN Mashup?
Definition
• A SDN Mashup is a composite Web application, centered in the Network Administrator, and
aimed to manage any SDN that has been deployed using Network Virtualization
Features
 It hides the heterogeneity and complexity of SDN Resources (NAP, NOS, and VNE)
 It allows to combine information retrieved from SDN Resources
 It lets to blend local and external visualization APIs to generate integrated and advanced
Graphical User Interfaces
 It provides access to multiple Network Administrators to enable communication and
collaboration among them by sharing and reusing SDN Mashups

SDN Mashups
SDN Mashup
Concept

SDN Mashup System
Introduction| SDN Mashups | SDN Mashup System | Case Study| Conclusions
SDN Mashup
System
Architecture

SDN Mashup System
SDN Mashup
System
Architecture

Case Study
Test
Environment
Challenge
 The monitoring of a
heterogeneous Virtual
SDN Slice

Case Study
Introduction| Global Vision| SDN Mashup System | Case Study| Conclusions
Slice
Monitoring
Mashup

Case Study – Response
Time Analysis
FlowsList
Operation
SwitchesList Operation LinksList Operation
Response Time (r in ms)
 Optimal (r <= 100)
 Good (100 < r <= 1000)
 Admissible (1000 < r <= 10000)
 Deficient (r > 10000)
(Joines, Willenborg, and Hygh, 2002)

Case Study
Shortcomings
 They were not devised to be extended and
enhanced by Network Administrators
 They can be solely improved by network
programmers in a low-level abstraction
 They were just tested in network slices
handled by NOX that is an OpenFlow-based
NOS implemented in the C++ language
 They cannot manage a Virtual SDN that uses
more than one type of NOS
Related Work
 OpenRoad facilitates the management of IP
addresses in OpenFlow-based networks and
the monitoring information of switches on
the datapath (Yap et al., 2009)
 OMNI a solution aimed to monitoring
OpenFlow-based networks (Mattos et al., 2011)
 NetOpen supports the creation of Network
Applications by combining networking
primitives that are SOA services (Kim and Kim,
2011)
Qualitative Analysis

Case Study
SDN Mashups
 They can be built by Network Administrators because of using an end-user programming approach
(wiring and drag-and-drop mechanisms)
 Network Administrators do not require advanced knowledge about the APIs of NAP, NOS, and VNE
 Network Administrators do not require to concern about the data mapping among the APIs of NAP,
NOS, and VNE
 SDN Mashups promote the innovation in SDN management solutions
Qualitative Analysis

Conclusions & Future Work
 A novel mashup-based approach formed by the SDN Mashup concept and the SDN Mashup System
that allows to carry it out
 The approach empowers the SDN Administrator with the important ability to build, extend, and
customize SDN management systems
 The approach provides an easy-to-use Mashup Development Environment with little compromise on
usability, particularly during the SDN Mashup composition process
 A quantitative evaluation of the Slice Monitoring Mashup
• Good response time of SDN Mashups regardless of network topologies and Virtual SDN
Resources
• The negligible growth of response time as the number of Virtual SDN Resources is increased
 The approach leads the Mashups towards a new application domain (SDN Management) and the
Network Management towards an environment centric in the Network Administrator
Conclusions

Conclusions & Future Work
 Extend the SDN Mashup System, adding new features to perform other management tasks and
appending more powerful graphical user interfaces to automatically compose SDN Mashups
 Evaluate the decrease on the carrying out time of SDN management tasks by using our mashup-based
approach
 The acceptance by Network Administrators of SDN Mashups as network management solutions
Future Work

Questions?
A Mashup-based Approach
for Virtual SDN Managment
Guambianos – Colombia Volcán Puracé – Colombia
¡Thank you!

24 / 16
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References

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