Can: A context-aware NAT traversal scheme

Tseng, Chien-Chao; Lin, Chia Liang; Yen, Li-Hsing; Liu, Jyun Yan; Ho, Cheng Yuan

doi:10.1016/j.jnca.2013.02.001

Cited by 10 publications

(5 citation statements)

References 27 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…According to evaluations, peer-to-peer communication between clients on different private networks can be efficiently initiated within the ICE platform in 4-5 seconds [19]. However, it is observable that delay in a real application environment is much higher.…”

Section: Connectivity Delaymentioning

confidence: 99%

“…The basic approach in this protocol is to use STUN and TURN protocols together and, thus, to provide peer-to-peer communication infrastructure in all NAT types. Tseng and others proposed a Context-Aware NAT (CAN) protocol to eliminate the connection set-up delay caused by STUN and TURN protocols, which are the basis of the ICE protocol [19]. In this study, agents working on peers gather network information of nodes and report them to the Session Initiation Protocol (SIP) server.…”

mentioning

confidence: 99%

“…When the advantages and disadvantages of ICE, RTMFP [29] and CAN [19] protocols are taken into consideration, it becomes clear that there is a need for new studies that have low connectivity check delay and do not place extra loads on clients and are UDP/TCP supported.…”

mentioning

confidence: 99%

See 2 more Smart Citations

A New State-Based Connectivity Model for Peer-to-Peer Networks

Arslan

Tuncel

2016

IEICE Trans. Inf. & Syst.

View full text Add to dashboard Cite

SUMMARYThe usage of peer-to-peer (P2P) networks that provide sharing of real-time environmental data by internet users is becoming more and more popular. As a result, it's necessary to identify the problems during P2P communication and to develop proper solutions. One of the major problems of P2P communication is that it's not possible to reach the clients behind devices that create private networks like network address translation (NAT) and firewalls from the public network. Among the solutions proposed for this problem, Interactive Connectivity Establishment (ICE) and Real Time Media Flow Protocol (RTMFP) are the methods most preferred in the literature. These methods seem more attractive than other NAT traversal mechanisms since they are independent from internet infrastructure and are also appropriate for dynamic structures. However, they do have some disadvantages. In this study, a new state-based end-to-end communication technique (SBN) for NAT traversal was designed and realized. The performance of the designed method was evaluated against three criteria, connectivity check delay, connection packet count and bandwidth, and compared with the ICE method. The results revealed that the suggested SBN method proved an average of 78% success in connectivity check delay, 69% in the number of packets used and 66% in the consumption of bandwidth over the ICE method.

show abstract

Section: Connectivity Delaymentioning

confidence: 99%

mentioning

confidence: 99%

See 1 more Smart Citation

A New State-Based Connectivity Model for Peer-to-Peer Networks

Arslan

Tuncel

2016

IEICE Trans. Inf. & Syst.

View full text Add to dashboard Cite

show abstract

“…Context-aware recommender systems have been recently explored in some fields, such as music (Reddy & Mascia, 2006;Hariri et al, 2012), tourism (Cena et al, 2006;Baltrunas et al, 2011;Levi et al, 2012;Yang et al, 2013;Tseng et al, 2013), mobile guides (Carmagnola et al, 2008), movies (Said et al, 2011), micro-blogging services and location-based social networks (Ma et al, 2011;Yuan et al, 2015), and advertising (Dao et al, 2012). In the study of context-aware recommender systems, obtaining context information and paradigms for incorporating context into recommender systems are the two key points (Adomavicius & Tuzhilin, 2011).…”

Section: Literature Reviewmentioning

confidence: 99%

Combining User Contexts and User Opinions for Restaurant Recommendation in Mobile Environment

Liu

Xiaohong

2016

Journal of Electronic Commerce in Organizations

View full text Add to dashboard Cite

In a mobile setting, user preferences vary in different contexts. Advances in mobile technologies have made the collection of user context information feasible, and as a result, the context-aware mobile recommender system field has been formed. Although there exist several different approaches to incorporating context into the recommendation process, context-aware recommendations are still difficult to compute. It is unclear which contextual factors are important and to which degree they influence user-item selection decisions. In this paper, the authors design a novel mobile restaurant recommender system combining user contexts and user opinions to provide restaurants to mobile users. This system extracts restaurant features from online user reviews and calculates the polarity of them based on sentiment analysis. It takes a new approach for assessing and modeling the relationship between contextual factors and restaurant features. On this basis, a hybrid recommender method is constructed, which integrates the contextual matching algorithm based on analytic hierarchy process and the collaborative filtering algorithm based on context similarity. From the user study, this system suggests restaurants that make the user more satisfied than another comparative system.

show abstract

“…NAT traversal techniques (HUITEMA, 2006;HO et al, 2011;TSENG et al, 2013) were first developed due to the fact that several protocols, such as SIP (Session Initiation Protocol), are simply not able to traverse NAT devices. Those techniques are also required by multiple P2P applications as well as VoIP and videoconferencing which involve the communication of processes running on hosts at different administrative domains that are nearly always protected by NAT/firewall.…”

Section: Introductionmentioning

confidence: 99%

Beware: NAT Traversal is a Simple and Efficient Approach to Open Firewall Holes

Duarte¹,

Cardoso

Mello

et al. 2020

Abakos

View full text Add to dashboard Cite

NAT traversal techniques allow processes with private, non-routable IP addresses to communicate with other processes outside the network secured limits. Techniques such as UDP Hole Punching have been standardized by the IETF, and using tunnels based on those techniques it is easy to allow application processes on top of any transport protocol, including TCP, to both start and receive packets from the Internet across NAT devices. However, as a side effect those techniques also freely proceed through firewalls. In this work we describe how it is possible to configure any server running on any port (no firewall configuration required) to establish connections initiated at arbitrary Internet clients, making unauthorized services easily available. We also show that the process is lightweight, in particular after the initial setup is concluded, thus virtually supporting any type of unauthorized applications.

show abstract

Can: A context-aware NAT traversal scheme

Cited by 10 publications

References 27 publications

A New State-Based Connectivity Model for Peer-to-Peer Networks

A New State-Based Connectivity Model for Peer-to-Peer Networks

Combining User Contexts and User Opinions for Restaurant Recommendation in Mobile Environment

Beware: NAT Traversal is a Simple and Efficient Approach to Open Firewall Holes

Contact Info

Product

Resources

About