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Paper Abstract and Keywords
Presentation 2024-05-09 14:55
On Ordered Proof of Transit Based on eBPF for Service Function Chaining
Takanori Hara (NAIST), Masahiro Sasabe (Kansai Univ.) NS2024-17
Abstract (in Japanese) (See Japanese page) 
(in English) Service function chaining (SFC) can establish a service path where a set of functions is executed in order given by service requirements. However, SFC lacks a mechanism to guarantee the traverse of appropriate relay nodes in the data plane. As a result, it has been pointed out that both administrative misconfiguration and malicious attacks may cause path deviation. To tackle this problem, ordered proof of transit (OPoT) has been proposed by leveraging Shamir’s secret sharing (SSS) and symmetric masking. In this paper, we implement lightweight OPoT in kernel space using extended Berkeley Packet Filter (eBPF). In addition, by integrating it with the existing SFC proxy, we extend the propose approach to support both SFC-aware and SFC-unaware virtual network functions (VNFs) in the SRv6 domain. Through the experiments, we demonstrate that the proposed scheme achieves the path verification and reveal its performance limit.
Keyword (in Japanese) (See Japanese page) 
(in English) extended Berkeley Packet Filter (eBPF) / Service Function Chaining (SFC) / Ordered Proof of Transit (OPoT) / Segment Routing over IPv6 data plane (SRv6) / SFC proxy / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 14, NS2024-17, pp. 23-28, May 2024.
Paper # NS2024-17 
Date of Issue 2024-05-02 (NS) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF NS2024-17

Conference Information
Committee NS  
Conference Date 2024-05-09 - 2024-05-10 
Place (in Japanese) (See Japanese page) 
Place (in English) Sinfonia Technology Hibiki Hall Ise 
Topics (in Japanese) (See Japanese page) 
Topics (in English) High level protocol, Networking technologies (IP and high-layer routing/filtering, Multicast, Quality/Routing control), IP network application technologies (P2P, P4P, Overlay, SIP, NGN), Network system related technologies (System configuration, Interface, Architecture, Hardware/Software/Middleware), Security, Blockchain etc. 
Paper Information
Registration To NS 
Conference Code 2024-05-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) On Ordered Proof of Transit Based on eBPF for Service Function Chaining 
Sub Title (in English)  
Keyword(1) extended Berkeley Packet Filter (eBPF)  
Keyword(2) Service Function Chaining (SFC)  
Keyword(3) Ordered Proof of Transit (OPoT)  
Keyword(4) Segment Routing over IPv6 data plane (SRv6)  
Keyword(5) SFC proxy  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Takanori Hara  
1st Author's Affiliation Nara Institute of Science and Technology (NAIST)
2nd Author's Name Masahiro Sasabe  
2nd Author's Affiliation Kansai University (Kansai Univ.)
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Speaker Author-1 
Date Time 2024-05-09 14:55:00 
Presentation Time 25 minutes 
Registration for NS 
Paper # NS2024-17 
Volume (vol) vol.124 
Number (no) no.14 
Page pp.23-28 
#Pages 6 
Date of Issue 2024-05-02 (NS) 

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