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Traffic Steering for Service Function Chaining
- Source :
- IEEE Communications Surveys & Tutorials
- Publication Year :
- 2019
-
Abstract
- openaire: EC/H2020/723172/EU//5GPagoda Dynamic Service Function Chaining (SFC) is a technique that facilitates the enforcement of advanced services and differentiated traffic forwarding policies. It dynamically steers the traffic through an ordered list of Service Functions (SFs). Enabling SFC capabilities in the context of a Software Defined Networking (SDN) architecture is promising, as it takes advantage of the SDN flexibility and automation abilities to structure service chains and improve the delivery time. However, the delivery time depends also on the traffic steering techniques used by an SFC solution. This paper provides a closer look at the current SDN architectures for SFC and provides an analysis of traffic steering techniques used by the current SDN-based SFC approaches. This study presents a comprehensive analysis of these approaches using efficiency criteria. It concludes that the studied solutions are not efficient enough to be deployed in real-life networks, principally due to scalability and flexibility limitations. Accordingly, the paper identifies relevant research challenges.
- Subjects :
- Service (systems architecture)
Network function virtualization
Computer science
media_common.quotation_subject
Distributed computing
Context (language use)
Tutorials
02 engineering and technology
Software defined networking
0202 electrical engineering, electronic engineering, information engineering
Computer architecture
Electrical and Electronic Engineering
Function (engineering)
media_common
Routing
Traffic Steering
Flexibility (engineering)
ta213
business.industry
NFV and SDN
020206 networking & telecommunications
Automation
Network Services
Chaining
Scalability
Service Function Chaining
020201 artificial intelligence & image processing
Software-defined networking
business
ETSI
Protocols
Subjects
Details
- Language :
- English
- ISSN :
- 1553877X
- Volume :
- 21
- Issue :
- 1
- Database :
- OpenAIRE
- Journal :
- IEEE COMMUNICATIONS SURVEYS AND TUTORIALS
- Accession number :
- edsair.doi.dedup.....a787e929f3c16f8cca84c70b9d687854