As satellite networks have played an indispensable role in many fields, how to integrate them with terrestrial (e.g., the Internet) has attracted significant attention academia. However, it is challenging efficiently build such integrated network, since are facing a number of serious problems, and they do not provide good support for heterogeneous network convergence. In this article, we propose flexible architecture, HetNet, efficient integration satellite-terrestrial networks....

Since Internet of Things (IoT) communications can enjoy many advantages brought by content-centric networking (CCN) in nature, there is an increasing interest on their integration for better information retrieval and distribution. Nevertheless, different from the conventional multimedia traffic which contents are hardly changed, IoT data always transient updated producers according to actual situation. As a result, if without any effective countermeasures, outdated copies inevitably stored...

Edge caching has been regarded as a promising technique for low-latency, high-rate data delivery in future networks, and there is an increasing interest to leverage Machine Learning (ML) better content placement instead of traditional optimization-based methods due its self-adaptive ability under complex environments. Despite many efforts on ML-based cooperative caching, are still several key issues that need be addressed, especially reduce computation complexity communication costs the...

The Internet has achieved unprecedented success in human history. However, its original design encountered many challenges the past decades due to significant changes of context and requirements. As a result, future networks received great attention from both academia industry, numerous novel architectures have sprung up recent years. Among them, locator/identifier (Loc/ID) split networking is widely discussed for decoupling overloaded IP address semantics, which satisfies several urgent...

Ubiquitous Internet of Things (IoT) devices have fueled plenty innovations in the emerging network paradigms. Among them, IoT edge caching has emerged as a promising technique to cope with explosive growth data traffic, Quality Service (QoS) improved and energy saved. However, intrinsic storage limitations servers poses critical challenge for system. Enabling cooperate each other can provide potential perspective improve utilization widely discussed. Nevertheless, it also incurs an...

With massive sorts of terminals, devices, and machines connecting to 5G, a tremendous surge data makes cyber-security pressing issue, conventional countermeasures are facing unprecedented challenges. Recently, with the rise ML (Machine Learning) SDN/NFV-based (Software-Defined Networks/Network Functions Virtualization) SFC (Service Function Chaining) techniques, how leverage them for security enhancement in MEC (Multi-access/Mobile Edge Computing) has received much attention. Hence, this...

In Internet of Things (IoT) networks, the IoT sensors collect valuable raw data required to sustain Artificial Intelligence (AI) based networks operation. AI models are data-driven as they use make accurate network security, management, and operational decisions. Unfortunately, deployed in harsh environments which affects sensor behaviour eventually networks' operations. Further, devices typically vulnerable a range malicious events. Therefore, sensor's correct operation including resilience...

With the rapid growth of network traffic volumes in terms content and mobile data, how to cope with these two new trends Internet has been widely discussed. Among related solutions, Named Data Networking (NDN) is aimed achieve highly effective distribution. Besides, mobility support also one its important research contents, attracting great attentions. Thus, this paper, we provide a survey on NDN. Specifically, firstly present problem statement for both producers consumers NDN, then classify...

Software-Defined Networking (SDN) and Network Functions Virtualization (NFV) technologies facilitate deploying Service Function Chains (SFCs) at clouds in efficiency flexibility. However, it is still challenging to efficiently chain Virtualized (VNFs) overlay networks without knowledge of underlying network configurations. Although there are many deterministic approaches for VNF placement chaining, they have high complexity depend on state information substrate networks. Fortunately,...

Software-defined satellite networking (SDSN) has recently gained unprecedented attention due to its great controllability for traffic delivery. However, it is still facing several fundamental challenges in routing, which mainly involves effective network maintenance, heterogeneous convergence, and customized flow steering. Hence, this article, we propose an elastic routing framework SDSN, aiming first build a robust control path signalling exchanges, then offer transparent channel IP...

It's promising to use Software-Defined Networking (SDN) and Network Functions Virtualization (NFV) integrate satellite terrestrial networks. To construct network service function chains in such a multi-domain environment, we propose horizontal-based Multi-domain Service Function Chaining (Md-SFC) orchestration framework. In this framework, orchestrators can coordinate with each other guarantee the end-to-end quality. Intra-domain also SDN controllers NFV management components implement...

The Internet of Things (IoT) has gained great attention in recent years, due to its significant role industry innovations and promotions. However, it is still facing many technical challenges before fully gaining ground, mainly resulting from limited computational energy resources IoT devices best-effort underlying network paradigms. Thanks the emerging edge computing that optimizes cloud by processing data at networks, can offload computation-intensive tasks their assigned servers with...

In smart farming sector, Internet of Things (IoT) based sensing systems are vulnerable to failure, malfunction, and malicious attacks. Also, sensors deployed often in an alien harsh environment. Here, the conditions not well supportive which either causes sensor fail prematurely or gives unusual erroneous readings, known as outliers. This effects network's performance decision-making ability many ways. Therefore, it is important accurately detect IoT behaviour legitimate, faulty, compromised...

Low Earth Orbit (LEO) satellite networks have recently been regarded as a promising solution to provide ubiquitous user access and flexible content delivery. To meet the increasing demands of services, multipath routing is leveraged transmit each flow via multiple transmission paths concurrently. However, dynamically changed topologies brought challenges route planning traffic splitting among different paths. Thus, in paper, we propose GNN-enabled Multipath Routing (GMR) scheme maximize...

Mobile-Edge Computing (MEC) is a novel and sustainable network architecture that enables energy conservation with cloud computing services offloading at the edge of mobile cellular networks. However, how to efficiently manage various real-time changing security functions an essential issue which hinders future MEC development. To address this problem, we propose fuzzy service chaining approach for MEC. In particular, new designed decouple required physical resources. Based on this, present...

Recently, there is a growing interest in Double-Layered Satellite Networks (DLSN) which integrate Medium-Earth-Orbit (MEO) and Low-Earth-Orbit (LEO) satellites for provision of mobile personal services. However, it still the early stage with several challenges unaddressed, one key problems inter-layer link allocations between MEO LEO satellites, as DLSN topology dynamically changed over time are limited number connections onboard. To this end, we propose corresponding Inter-layer Link...

The great improvements in both satellite and terrestrial networks have motivated the academic industrial communities to rethink their integration. As a result, there is an increasing interest new-generation hybrid satellite-terrestrial networks, where sufficient flexibility should be enabled deploy customized SFCs satisfy growing diversity of user needs. However, it still challenging achieve such nice vision, since many key issues remain unaddressed comprehensively as framework design,...

The emergence of software-defined networking (SDN) and network function virtualization (NFV) facilitates policy-driven dynamic service chaining (SFC). In recent years, multi-domain SFC orchestration has attracted a significant attention, as it is complicated problem involving many issues, such corporation various administrations integration heterogeneous underlying technologies. However, another critical for deployment, how to achieve context-aware provision still not widely discussed. Thus,...

Since the satellite network plays an irreplaceable role in many fields, how to interconnect it with ground has received unprecedented attention. However, much more requirements imposed current terrestrial network, serious problems caused by IP dual-role exposed. In this context, their direct interconnection seems not most appropriate way. Thus, paper, SAT-GRD, incrementally deployable ID/Loc split architecture is proposed, aiming integrate and networks efficiently. Specifically, SAT-GRD...

In multi-layer satellite-terrestrial network, Contact Graph Routing (CGR) uses the contact information among satellites to compute routes. However, due resource constraints in satellites, it is extravagant configure lots of potential contacts into plans. What's more, a huge plan makes computing more complex, which further increases time. As result, how design an efficient becomes crucial for satellite usually has large scaled topology. this paper, we propose distributed scheme network by...

Multi-Layer Satellite Networks (MLSNs) based on Medium and Low Earth Orbit (MEO LEO) satellites have gained wide attention for a sake of their complementary advantages, offering improved flexibility transmission efficiency. However, there are still several key issues to be addressed in terms efficient routing, as related network topologies dynamically changed, Quality Service (QoS) guarantee is impeded by the changing link quality uneven traffic distribution. Thus, this article, we mainly...

The paper presents EmuStack, a large-scale, real-time and distributed emulation platform for Delay Tolerant Network (DTN). Based on OpenStack, EmuStack can implement synchronous, dynamical precise control of link characteristics topology, support large-scale including hundreds nodes via several hosts. In this paper, we firstly describe hardware software architecture then introduce the core modules algorithm. Finally, evaluate demonstrate by reproducing key results from published DTN experiment.

Information-Centric Networking (ICN) has emerged as a promising way for the efficient content delivery over Internet, and it can be seen super large-scale caching distributed system. However, one of most important problems, cache consistency issue, which refers to whether cached contents in routers are outdated, is still not investigated thoroughly ICN. Thus, this paper, we propose cost-effective Popularity-based Cache Consistency (PCC) mechanism guarantee freshness ICN routers. PCC able...