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shrutivista

An introduction to Ad hoc network

Technologie

Mobile Ad-hoc Networks (manets) Submitted by: Shruti Maharishi markandeshwar university,mullana Ambala(haryana)

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Proactive Protocol (Table Driven): ,[object Object],[object Object],[object Object],[object Object]

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ATTACKS IN AD HOC NETWORKS ,[object Object],[object Object]

Active attacks ,[object Object],[object Object]

Passive attacks ,[object Object],[object Object]

Security Goals ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Contenu connexe

Tendances

Security issues in Mobile Ad-Hoc Networks

International Journal of Engineering Inventions www.ijeijournal.com

MANETs (Mobile Ad hoc Network) is a self-governing system in which different mobile nodes are connected by wireless links. MANETs comprise of mobile nodes that are independent for moving in and out over the network. Nodes are the devices or systems that is laptops, mobile phone etc. those are participating in the network. These nodes can operate as router/host or both simultaneously. These nodes can form uninformed topologies as per their connectivity among nodes over the network. Security in MANETs is the prime anxiety for the fundamental working of network. MANETs frequently will be ill with security threats because of it having features like altering its topology dynamically, open medium, lack of central management & monitoring, cooperative algorithms and no apparent security mechanism. These factors draw an attention for the MANETs against the security intimidation. In this paper we have studied about security attack in MANET and its consequences, proposed technique for black hole detection is hybrid in nature which combines the benefit of proactive and reactive protocol and proposed technique is compared with AODV.

V3 i301

IJCERT

The mobile ad hoc networks get subjected to security threats like other wireless networks. But due to their peer to peer approach and absence of infrastructural resources the mobile ad hoc networks can not use strong cryptographic mechanisms as used by their other wireless counterparts. This led to the development of trust based methods as security solutions wherein a trusted node is relaxed from security checks when the trust value reaches to a particular limit. The trust methods are prone to security risks but have found their acceptance due to efficiency over computationally expensive and time consuming cryptographic methods. The major problem with the trust methods is the period during which trust is growing and is yet to reach the requisite threshold. This paper proposes security mechanism dependent upon Random Electronic Code Book (RECB) combined with permutation functions. The proposed mechanism has low time complexity, is easier to implement, computationally inexpensive and has very high brute force search value. It can be used as the temporary security guard during the trust growth phase. The impetus behind the proposed design is the reliance upon shared information between the peers in the ad hoc networks.

SHARED INFORMATION BASED SECURITY SOLUTION FOR MOBILE AD HOC NETWORKS

ijwmn

A mobile ad hoc network is a wireless network in which no infrastructure is available. MANET is a selfconfiguring network. Due to dynamic nature of MANET it is very challenging work to employ a secure route. The intermediate nodes cooperate with each other as there is no such base station or access point. The routing protocols play important role in transferring data. Cryptographic mechanisms are used in routing protocols to secure data packets while transmitted in the network. But cryptographic techniques incur a high computational cost and can’t identify the nodes with malicious intention. So, employing cryptographic techniques in MANET are quite impractical as MANETs have limited resource and vulnerable to several security attacks. Trust mechanism is used as an alternative to cryptographic technique. Trust mechanism secures data forwarding by isolating nodes with malicious intention using trust value on the nodes. In this paper we survey different trust based protocols of MANET and compare their performances.

A comparative study on different trust based routing schemes in manet

ijwmn

Flooding attack manet

Meena S Pandi

In Mobile Ad hoc Network (MANET) all the nodes are freely moves in the absence of without ant centralized coordination system. Due to that the attackers or malicious nodes are easily affected that kind of network and responsible for the routing misbehavior. The routing is network is mandatory to deliver data in between source and destination. In this research we work on security field in MANET and proposed a novel security scheme against routing misbehavior through Black hole attack. The Ad hoc On demand Multipath Routing (AOMDV) protocol is consider for routing and also to improves the routing quality as compare to single path routing protocol. The attacker is affected all the possible paths that is selected by sender for sending data in network. The malicious nodes are forward optimistic reply at the time of routing by that their identification is also a complex procedure. The proposed Intrusion Detection System (IDS) scheme is identified the attacker information through hop count mechanism. The routing information of actual data is reached to which intermediate node and the next hop information is exist at that node is confirm by IDS scheme. The black hole attacker node Identification (ID) is forward in network by that in future attacker is not participating in routing procedure. The proposed security scheme detects and provides the deterrence against routing misbehavior through malicious attack. Here we compare the routing performance of AOMDV, Attack and IDS scheme. The performance of normal multipath routing and proposed IDS scheme is almost equal. The attacker has degrades the whole routing performance but observed that in presence of attacker, routing misbehavior is completely block by the proposed IDS scheme and recovers 95 % of data as compare to normal routing.

An ids scheme against black hole attack to secure aomdv routing in manet

pijans

8.wireless network types, devices roles and states

Pramod Rathore

Sunilkumar2017

Sharonp15

E0432933

IOSR Journals

Dynamic trust management for delay tolerant networks and its application to secure routing Delay tolerant networks (DTNs) are characterized by high end-to-end latency, frequent disconnection, and opportunistic communication over unreliable wireless links. In this paper, we design and validate a dynamic trust management protocol for secure routing optimization in DTN environments in the presence of well-behaved, selfish and malicious nodes. We develop a novel model-based methodology for the analysis of our trust protocol and validate

Dynamic trust management for delay tolerant networks and its application to s...

LeMeniz Infotech

E content,S.Abirami,II-M.sc(computer Science),Bon Secours college for women

Abiramis19

Wireless Sensor Network contain number of nodes. Lifetime of Sensor nodes depend on their battery power, which cannot be reenergize. Thus, to save the node energy & lifetime of the Network energy efficient LEACH protocol is introduced. Wireless sensor networks are facing many experiments such as the partial source in processing power, storage and energy. The inadequate energy source is one of the main tasks facing the security in such networks. LEACH doesn’t shield the safety harms. So we want to improve security scenario of Secure LEACH protocol. Hierarchical or cluster base routing protocol for WSNs is the most energy-efficient among other routing protocols. This paper shows different security mechanism used in LEACH protocol. This all protocol is based on Hierarchical routing protocol. This paper shows basic scenario of security in LEACH.

A Survey on Secure Hierarchical LEACH Protocol over Wireless Sensor Network

IJERD Editor

Denial of service attack

Rashi Dhagat

Paper id 71201996

IJRAT

Vehicular communications play a substantial role in providing safety transportation by means of safety message exchange. Researchers have proposed several solutions for securing safety messages. Protocols based on a fixed key infrastructure are more efficient in implementation and maintain stronger security in comparison with dynamic structures. The purpose of this paper present a method based on a fixed key infrastructure for detection impersonation attack, in other words, Sybil attack, in the vehicular ad hoc network. This attack, puts a great impact on performance of the network. The proposed method, using an cryptography mechanism to detection Sybil attack. Finally, using Mat lab simulator the results of this approach are reviewed, This method it has low delay for detection Sybil attack, because most operations are done in Certification Authority, so this proposed schema is a efficient method for detection Sybil attack.

EFFICIENT DETECTION OF SYBIL ATTACK BASED ON CRYPTOGRAPHY IN VANET

IJNSA Journal

Ad hoc secuirty-vemula

Raju Vemula

Distributed Denial of Service (DDoS) attacks today have been amplified into gigabits volume with broadband Internet access; at the same time, the us e of more powerful botnets and common DDoS mitigation and protection solutions implemented in small and large organizations’ networks and servers are no longer effective. Our survey provides an in- depth study on the current largest DNS reflection a ttack with more than 300 Gbps on Spamhaus.org. We have re viewed and analysed the current most popular DDoS attack types that are launched by the hacktivi sts. Lastly, effective cloud-based DDoS mitigation and protection techniques proposed by both academic res earchers and large commercial cloud-based DDoS service providers are discussed.

Survey of manet misbehaviour detection approaches

IJNSA Journal

Attacks on mobile ad hoc networks

Zdravko Danailov

Tendances (18)

Security issues in Mobile Ad-Hoc Networks

V3 i301

SHARED INFORMATION BASED SECURITY SOLUTION FOR MOBILE AD HOC NETWORKS

A comparative study on different trust based routing schemes in manet

Flooding attack manet

An ids scheme against black hole attack to secure aomdv routing in manet

8.wireless network types, devices roles and states

Sunilkumar2017

E0432933

Dynamic trust management for delay tolerant networks and its application to s...

E content,S.Abirami,II-M.sc(computer Science),Bon Secours college for women

A Survey on Secure Hierarchical LEACH Protocol over Wireless Sensor Network

Denial of service attack

Paper id 71201996

EFFICIENT DETECTION OF SYBIL ATTACK BASED ON CRYPTOGRAPHY IN VANET

Ad hoc secuirty-vemula

Survey of manet misbehaviour detection approaches

Attacks on mobile ad hoc networks

En vedette

Cloud Computing is the nascent technology which is based on Pay-Per-Use Model. Cloud computing is emerging as a model of “Everything as a Service” (XaaS). Cloud Computing is computing paradigm where applications, data bandwidth and IT services are provided over the Internet. Cloud Computing is a relatively new computing model that provides on demand business and IT services over the Internet. The main concerns in adapting Cloud Computing is its security, different security risks that affects the cloud environment in the area of confidentiality, Integrity and computing on data is thoroughly investigated

Review on Security Techniques using Cloud Computing

Editor IJCATR

This paper proposes a centralized algorithm for cluster-head-selection in a mobile wireless sensor network. Before execution of algorithm in each round, Base station runs centralized localization algorithm whereby sensors update their locations to base station and accordingly Base station performs dynamic clustering. Afterwards Base station runs CA-MWSN for cluster-head-selection. The proposed algorithm uses three fuzzy inputs Residual energy, Expected Residual Energy and Mobility to find Chance of nodes to be elected as Cluster-head. The node with highest Chance is declared as a Cluster-head for that particular cluster. Dynamic clustering provides uniform and significant distribution of energy in a non-uniform distribution of sensors. CA-MWSN guarantees completion of the round.

Ca mwsn clustering algorithm for mobile wireless senor network [

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Multi dimensional sketch based sip flooding detection using hellinger distance

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Improving Direct-Mapped Cache Performance by the Addition of a Small Fully-As...

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The project based on mobile application which functions on an Android operating system. The objective of this which enable the user to locate the mobile phone in a silent mode to General mode when it is misplaced as well as if it is lost and wipe the data from the device. To create an account the user needs to provide his /her mobile number, a password and 4 trustworthy numbers this completes the registration process. The application, which is still in a deactivation mode, will operate only when the phone is misplaced and the user sends the set password/ pass code from one of the 4 trustworthy numbers to one’s own mobile number. This will change the profile of the misplaced phone i.e. switch it from the silent mode to the sound mode. It will also send an acknowledgement to the trustworthy number from which the user has sent the message. Furthermore, it will also provide the location with and also if mobile is lost then we can take back up from another mobile by using same application, we can also wipe the data remotely by sending the message.

Smartphone Remote Detection and Wipe System using SMS

Editor IJCATR

The advancement of science and technology had made mobile ad hoc network an important tool to access network of next generation. Recently, numerous multipath routing protocols for mobile ad hoc network are reported in literature. Each routing methods works based on their salient feature, but failed to control congestion, energy efficiency, overhead packets, signal stability during data transmission which leads to edge effect, signal decay and bottleneck situation of the bandwidth consumption. In this paper a novel approach havely Geographical Distance based Ad Hoc On-demand Distance Vector Routing (GD-AOMDV), which selects the path based on transmission distance value to limit and control the congestion and control overheads has been proposed. The salient feature of the proposed model is that it establishes a relationship between path distance and MANET design parameters including transmission range, consumption of energy and bandwidth. The accuracy of the proposed scheme is analyzed and validated with the experimental results in respect to various flow using NS2 simulations.

Location and Mobility Optimized On-demand Geographical Multipath Routing Prot...

Eswar Publications

testbmr

Prasanta kumr Manohari

En vedette (7)

Review on Security Techniques using Cloud Computing

Ca mwsn clustering algorithm for mobile wireless senor network [

Multi dimensional sketch based sip flooding detection using hellinger distance

Improving Direct-Mapped Cache Performance by the Addition of a Small Fully-As...

Smartphone Remote Detection and Wipe System using SMS

Location and Mobility Optimized On-demand Geographical Multipath Routing Prot...

testbmr

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Editor IJARCET

Injection of Attacks in MANETs

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Mobile Ad-hoc Network (MANET) is a quite challenging to ensures security because if it’s open nature, lack of infrastructure, and high mobility of nodes. MANETs is a fast changing network in a form of decentralized wireless system. It requires a unique, distinct and persistent identity per node in order to provide their security and also has become an indivisible part for communication for mobile device. In this phase of dissertation, we have focused giving security to Temporally Ordered Routing Protocol Algorithm (TORA) from Sybil attack. TORA is based on a family of link reversal algorithm. It is highly adaptive distributing routing algorithm used in MANET that is able to provide multiple loop-free routes to any destination using the Route Creation, Route Maintenance and Route Erasure functions. Sybil attack is a serious threat for wireless networks. This type of attacker comes in the network and they start creating multiple identities. From that multiple identities they are disrupting the network by participating in communication with line breaking nodes. This cause’s huge loss in network resources. These networks can be protected using network failure and firewall detection schemes for detecting the attack and minimizing their effects. Proposed approach is expected to secure TORA through the implementation. Performance factor of network would be taken into consideration in order to verify the efficiency of modified TORA in MANET environment.

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Security in manet via different intrusion detection techniques

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Thesis Scientist Private Limited

A MANET is an autonomous collection of mobile users that communicate over relatively bandwidth constrained wireless links. Since the nodes are mobile, the network topology may change rapidly and unpredictably over time. The network is decentralized, where all network activity including discovering the topology and delivering messages must be executed by the nodes themselves, i.e., routing functionality will be incorporated into mobile nodes.. In this paper routing protocols GRP for mobile ad hoc network with centralized system is checked to know the performance of the network. We will see that, is their any change in the performance of the network if will deploy centralized system in MANET.

Centralized System in MANET with GRP Protocol

ijceronline

In this dynamic world, communication is a sine qua non for development. Communication represents sharing of information which can be local or remote. Though local communications may occur face to face between individuals remote communications take place among people over long distances. Mobile ad hoc networks (MANETs) are becoming an interesting part of research due to the increasing growth of wireless devices (laptops, tablets, mobiles etc.) and as well as wireless internet facilities like 4G/Wi-Fi. A MANET is any infrastructure-less network formed by independent and self-configuring nodes. Each node acts as router. In order to send data, the source node initiates a routing process by using a routing protocol. The nature of the wireless medium is always insecure. So, during routing many attacks can take place. The main objective of an eavesdropper is to grab the confidential information in the network. This secret information is used by a malicious node to perform further attacks. Here, the entire problem lies in identifying the eavesdropper because the eavesdropper acts a normal node in the network. In this paper, we analyzed the impact of eavesdropper while executing an Ad hoc On Demand routing (AODV) protocol in MANETs. All the simulations are done using QualNet 5.1 network simulator. From the results, it is found that the network performance degrades in presence of an eavesdropper.

Analyzing the Impact of Eaves on Energy Consumption of AODV Routing Protocol ...

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ANALYZING THE IMPACT OF EAVES ON ENERGY CONSUMPTION OF AODV ROUTING PROTOCOL ...

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MOBILE COMPUTING MANETS,ROUTING ALGORITHMS

Pallepati Vasavi

International Refereed Journal of Engineering and Science (IRJES) is a leading international journal for publication of new ideas, the state of the art research results and fundamental advances in all aspects of Engineering and Science. IRJES is a open access, peer reviewed international journal with a primary objective to provide the academic community and industry for the submission of half of original research and applications

International Refereed Journal of Engineering and Science (IRJES)

irjes

A Review Security Issues In Mobile Ad Hoc Network

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A Mobile Ad-Hoc Network is a collection of mobile nodes or a temporary network set up by wireless mobile nodes moving arbitrary in the places that have no network infrastructure in such a manner that the interconnections between nodes are capable of changing on continual basis. Thus the nodes find a path to the destination node using routing protocols. However, due to security vulnerabilities of the routing protocols, wireless ad-hoc networks are unprotected to attacks of the malicious nodes. Various attacks and one of those attacks is the Black Hole Attack against network integrity absorbing all data packets in the network. Since the data packets do not reach the destination node on account of this attack, data loss will occur. Therefore, it is a severe attack that can be easily employed against routing in mobile ad hoc networks. There are lots of detection and defense mechanisms to eliminate the intruder that carry out the black hole attack. . Virtual Infrastructure achieves reliable transmission in Mobile Ad Hoc Network. Black Hole Attack is the major problem to affect the Virtual Infrastructure. In this paper, approach on analyzing and improving the security of AODV, which is one of the popular routing protocols for MANET. Our aim is to ensuring the avoidance against Black hole attack.

Black hole Attack Avoidance Protocol for wireless Ad-Hoc networks

ijsrd.com

Mobile Adhoc Network (MANET) is a self-configuring and infrastructure-less network which consists of mobile devices such as mobiles, laptops, PDA's etc. Because of its lack of infrastructure, wireless mobile communication, dynamic topology, MANET is vulnerable to various security attacks. This survey paper presents an overview of developments of voting and non-voting based certificate revocation mechanisms in past few years. Certificate revocation is an important method used to secure the MANET. Certificate revocation isolates the attacker nodes from participating in network activities by revoking its certificate. Over last few years different schemes are explored for certificate revocation. In concluding section we present the limitations of the current cluster based certificate revocation scheme.

Survey on Certificate Revocation in MANET

IJMTST Journal

Mobile Ad hoc Network (MANET) is consists of mobile hosts or sensor nodes proficient of functioning in absence of infrastructure. Such networks should be capable of self forming, self organizing, self managing, self recovering, and able to operate under dynamic conditions. The multi-hop communication phenomenon is used to sending information to receiver. To attain this, each mobile node depends on its neighbor or range node to forward the data packet to the destination. In fact, most of previous studies on MANET have implicitly assumed that nodes are cooperative such as node cooperation becomes a very important issue in MANET. The attacker in dynamic network are easily affected the routing performance and data receiving ratio is affected as compared to normal performance of network as well as dropping of data is enhanced. The packets percentage is degrades is the confirmation of attacker misbehavior. The characteristics of wormhole attack is to making the tunnel and reply the positive acknowledgement of destination at time of route request and drop all the data deliver through tunnel. The attacker is identified by the past and current data receiving and forwarding in MANET. The proposed IPS (Intrusion Detection and Prevention System) provides the security on the basis of link reliability. In this work, we proposed new link reliability based security through Predecessor based Route Establishment of detecting routing misbehavior of wormhole attack for prevention in MANET. The attacker is blocked through the broadcasting scheme used by proposed prevention scheme from their actual identification to neighbors. The security provider nodes are blocking the communication of attacker and provide the secure communication among the mobile nodes. The performance of proposed scheme is evaluated through performance metrics like PDR and throughput.

Link Reliability based Detection and Predecessor base Route Establishment for...

IJERA Editor

Mobile Ad hoc Network is basically a crew of mobile traffic nodes, which figure an effectual dynamic topology and built a resource mannered network. Mobile Ad hoc Networks are exceptional cases of ad hoc networks that, but it is lacking infrastructure, communicating entities pass with various accelerations. For that reason, this impedes or delay lays the foundation of well built end-to-end communication paths. So Mobile Ad-hoc Network having efficient data transfer. In this manner, MANETs have out of the common network concerns and security challenges to get the advanced connectivity, immune communications, and reputation executives systems which have an impact on the trust in cooperation and settlement between mobile networking units. In this survey paper we confer about the security attributes, attacks, and challenges of MANETs.So, it is important to have a better and good formation algorithm to connect all the nodes to each other. There must be less time, low delay time, more battery life, more speeds of packets.

SURVEY ON MOBILE AD HOC NETWORK

IAEME Publication

Mobile ad hoc network (MANET) is a self-configuring network that is formed automatically via wireless links by a collection of mobile nodes without the help of a fixed infrastructure or centralized management. The mobile nodes allow communication among the nodes outside the wireless transmission range by hop to hop and the forward packets to each other. Due to dynamic infrastructure-less nature and lack of centralized monitoring points, the ad hoc networks are vulnerable to attacks. The network performance and reliability is break by attacks on ad hoc network routing protocols. AODV is a important on-demand reactive routing protocol for mobile ad hoc networks. There is no any security provision against a “BlackvHole” and “Wormhole” attacks in existing AODV protocol. Black hole nodes are those malicious nodes that conform to forward packet to destination. But they do not forward packet intentionally to the destination node. The black hole nodes degrade the performance of network eventually by participating in the network actively. The propose watchdog mechanism detect the black hole nodes in a MANET. This method first detects a black hole attack in the network and then provide a new route to this node. In this, the performance of original AODV and modified AODV in the presence of multiple black hole nodes is find out on the basis of throughput and packet delivery ratio. In a wormhole attack, intruders tunnel the data from one end of the network to the other, leading distant network nodes to trust they are neighbors’ and making them communicate through the wormhole link.

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Mobile wirelesses networks are generally open to various attacks like information and physical security attacks than fixed wired networks. Securing wireless ad hoc networks is particularly more difficult for many of the reasons for example vulnerability of channels and nodes, absence of infrastructure, dynamically changing topology etc. After that we initialize the number of nodes. Then implement protocol for the communication of nodes. Due to these protocols communication start. And this will be then implemented in CRNs which stand for cognitive radio network in which channel sensing is done. By the use of CRN security will be improved and performance will be enhanced. Find the malicious nodes occur in the network. One malicious node uses routing protocol to claim itself of being shortest path to last node but drops routing packets and doesn’t send packets to its neighbors. In last evaluate the parameters.

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Following the popularity of “Cloud Revolution: Exploring the New Wave of Serverless Spatial Data,” we’re thrilled to announce this much-anticipated encore webinar. In this sequel, we’ll dive deeper into the Cloud-Native realm by uncovering practical applications and FME support for these new formats, including COGs, COPC, FlatGeoBuf, GeoParquet, STAC, and ZARR. Building on the foundation laid by industry leaders Michelle Roby of Radiant Earth and Chris Holmes of Planet in the first webinar, this second part offers an in-depth look at the real-world application and behind-the-scenes dynamics of these cutting-edge formats. We will spotlight specific use-cases and workflows, showcasing their efficiency and relevance in practical scenarios. Discover the vast possibilities each format holds, highlighted through detailed discussions and demonstrations. Our expert speakers will dissect the key aspects and provide critical takeaways for effective use, ensuring attendees leave with a thorough understanding of how to apply these formats in their own projects. Elevate your understanding of how FME supports these cutting-edge technologies, enhancing your ability to manage, share, and analyze spatial data. Whether you’re building on knowledge from our initial session or are new to the serverless spatial data landscape, this webinar is your gateway to mastering cloud-native formats in your workflows.

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Dubai, often portrayed as a shimmering oasis in the desert, faces its own set of challenges, including the occasional threat of flooding. Despite its reputation for opulence and modernity, the emirate is not immune to the forces of nature. In recent years, Dubai has experienced sporadic but significant floods, testing the resilience of its infrastructure and communities. Among the critical lifelines in this bustling metropolis is the Dubai International Airport, a bustling hub that connects the city to the world. This article explores the intersection of Dubai flood events and the resilience demonstrated by the Dubai International Airport in the face of such challenges.

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Passkeys: Developing APIs to enable passwordless authentication Cody Salas, Sr Developer Advocate | Solutions Architect - Yubico Apidays New York 2024: The API Economy in the AI Era (April 30 & May 1, 2024) ------ Check out our conferences at https://www.apidays.global/ Do you want to sponsor or talk at one of our conferences? https://apidays.typeform.com/to/ILJeAaV8 Learn more on APIscene, the global media made by the community for the community: https://www.apiscene.io Explore the API ecosystem with the API Landscape: https://apilandscape.apiscene.io/

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Apidays New York 2024 - The value of a flexible API Management solution for O...

apidays

Three things you will take away from the session: • How to run an effective tenant-to-tenant migration • Best practices for before, during, and after migration • Tips for using migration as a springboard to prepare for Copilot in Microsoft 365 Main ideas: Migration Overview: The presentation covers the current reality of cross-tenant migrations, the triggers, phases, best practices, and benefits of a successful tenant migration Considerations: When considering a migration, it is important to consider the migration scope, performance, customization, flexibility, user-friendly interface, automation, monitoring, support, training, scalability, data integrity, data security, cost, and licensing structure Next Wave: The next wave of change includes the launch of Copilot, which requires businesses to be prepared for upcoming changes related to Copilot and the cloud, and to consolidate data and tighten governance ShareGate: ShareGate can help with pre-migration analysis, configurable migration tool, and automated, end-user driven collaborative governance

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