Paper Info
Title
Branch-Awareness in Service Function Graph Design and Embedding
Abstract
To deliver an end-to-end service in the Network Function Virtualization (NFV) environment, Service Function Chain (SFC) is used to define the sequence of Virtual Network Functions (VNFs) that needs to be applied to the data stream of the service. In the literature, SFC is typically regarded as a linear topology that represents the sequence of the VNFs that a data stream is navigated through. Our recent study, however, reveals a group of real-life use cases for which a linear topology is in-sufficient to describe the complexity of the SFC: the data stream can branch out into multiple streams due to multiple reasons (e.g., load-balance the web/non-web traffic). In this paper, we study representative use cases with presence of branching, categorize traffic branching into three major categories, and introduce policies to specify the service requirement that involves traffic branching. In addition, we define the resulting problem and discuss directions for further exploration.
Year
DOI
Venue
2019
10.1109/Sarnoff47838.2019.9067825
2019 IEEE 40th Sarnoff Symposium
Keywords
DocType
ISSN
branch-awareness,network function virtualization environment,SFC,linear topology,traffic branching,service requirement,service function graph design,service function chain
Conference
2643-8879
ISBN
Citations 
PageRank 
978-1-7281-2488-9
0
0.34
References 
Authors
0
3
Name
Order
Citations
PageRank
Maryam Jalalitabar100.68
Yang Wang210212.48
Xiaojun Cao353074.55