Modul 5 VPN_2.ppt
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This document discusses virtual private networks (VPNs) in 3 sentences: VPNs use encryption to create a secure "tunnel" through a public network such as the Internet, allowing private network traffic to be sent remotely or between locations. There are different types of VPN connections including remote access, site-to-site, and host-to-site. VPN security relies on authentication, access control, data confidentiality, integrity, and encryption techniques like public key encryption and digital signatures.
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Report for Network Subject at my college at May,2017 and we were suppose to present the operation of MPLS inside the core network of the service provider while the costumer is using a VPN connection
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remote offices or individual users with secure access to their organization's network. A VPN ensures
privacy through security procedures and tunneling protocols such as the Layer Two Tunneling Protocol
(L2TP). Data is encrypted at the sending end and decrypted at the receiving end.
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Virtual private networks (VPNs) allow private networks to be extended over public networks like the internet. VPNs provide benefits like extended communication, reduced costs, and improved productivity. There are two main types of VPNs: remote-access VPNs which connect users to a private network from various locations, and site-to-site VPNs which connect organizations' remote sites into a private network or allow organizations to share environments. Tunneling protocols like PPP and protocols like IPsec are used to securely encapsulate and transmit data across VPNs. Multiprotocol Label Switching (MPLS) and overlay networks are additional methods to improve network performance and security.
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This document discusses MPLS VPN and its three main types: point-to-point VPNs using pseudowires to encapsulate traffic between two sites; layer 2 VPNs called VPLS that provide switched VLAN services across sites; and layer 3 VPNs known as VPRN that utilize VRF tables to segment routing for each customer using BGP. It describes how MPLS VPN works using CE, PE, and P routers to forward labeled packets through the provider network and pop the label at the destination PE to deliver the packet. Finally, it provides additional resources for learning more about MPLS VPN technologies.
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The document discusses virtual private networks (VPNs) and their implementation. It covers:
1) VPNs allow secure connections between remote users through public networks like they are on a private network. Common VPN protocols include IPSec, L2TP, PPTP.
2) IPSec VPNs provide encryption and authentication at the IP layer to securely transmit data through public IP networks within encrypted tunnels.
3) MPLS VPNs offer scalability and allow centralized services like multicast and QoS across locations connected through the VPN.
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This document discusses a study that compared the performance of multimedia traffic (voice, video, data) over MPLS VPN networks versus traditional IP networks. The study found that MPLS VPN networks offered better performance for multimedia traffic propagation based on key metrics like throughput, utilization, and packet delay variation. Specifically, the MPLS VPN scenario had higher throughput (2.44% vs 97.56%) and utilization (34.09% vs 65.91%), but lower packet delay variation (37.5% vs 62.5%) compared to the traditional IP network model. The results show that MPLS VPN is better suited for real-time multimedia applications due to its ability to provide guaranteed services, traffic engineering, and predictable minimum delays.
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3. Associate networks with their corresponding areas using the network command. This establishes OSPF neighbor relationships between routers on the network.
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International Journal of Engineering Research and Development (IJERD)
call for paper 2012, hard copy of journal, research paper publishing, where to publish research paper,
journal publishing, how to publish research paper, Call For research paper, international journal, publishing a paper, IJERD, journal of science and technology, how to get a research paper published, publishing a paper, publishing of journal, publishing of research paper, reserach and review articles, IJERD Journal, How to publish your research paper, publish research paper, open access engineering journal, Engineering journal, Mathemetics journal, Physics journal, Chemistry journal, Computer Engineering, Computer Science journal, how to submit your paper, peer reviw journal, indexed journal, reserach and review articles, engineering journal, www.ijerd.com, research journals,
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2) IPSec VPNs provide encryption and authentication at the IP layer to securely transmit data through public IP networks within encrypted tunnels.
3) MPLS VPNs offer scalability and allow centralized services like multicast and QoS across locations connected through the VPN.
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The document provides an overview of networking concepts including the OSI model, WAN technologies, convergence, wireless networking, and authentication methods. It describes the seven layers of the OSI model and technologies associated with each layer such as Ethernet and IP. It also discusses WAN options like leased lines, MPLS, and QoS mechanisms for prioritizing traffic. Wireless topics covered include frequencies, modulation, authentication, encryption, and next-generation centralized wireless network architectures.
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A dynamic virtual private network (DVPN) allows secure connections between remote users and private networks through virtual connections over public networks like the internet. It provides enhanced security, can accommodate changing user communities dynamically, and maintains integrity over user access rights and data security over time regardless of technological changes. Key features include distributed access control, application independence, access control based on authenticated user identities, and support for user groups. DVPNs establish trust in open network environments through flexible yet finely-controlled security.
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ROUTING
1. Enable the OSPF routing process with a process ID. This groups related OSPF commands.
2. Configure OSPF areas. Areas organize groups of networks/links in the OSPF domain.
3. Associate networks with their corresponding areas using the network command. This establishes OSPF neighbor relationships between routers on the network.
Introduction to OSI and QUIC
This document discusses computer networking and the OSI model. It provides an overview of how computers communicate at different layers, from the physical layer up to the application layer. It also discusses protocols like TCP/IP and how they map to the OSI model. The document compares OSI to the TCP/IP protocol suite and provides examples of protocols that operate at each layer.
International Journal of Engineering Research and Development (IJERD)
call for paper 2012, hard copy of journal, research paper publishing, where to publish research paper,
journal publishing, how to publish research paper, Call For research paper, international journal, publishing a paper, IJERD, journal of science and technology, how to get a research paper published, publishing a paper, publishing of journal, publishing of research paper, reserach and review articles, IJERD Journal, How to publish your research paper, publish research paper, open access engineering journal, Engineering journal, Mathemetics journal, Physics journal, Chemistry journal, Computer Engineering, Computer Science journal, how to submit your paper, peer reviw journal, indexed journal, reserach and review articles, engineering journal, www.ijerd.com, research journals,
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Virtual private networks (VPNs) allow for secure data transmission over public networks like the Internet. VPNs create virtual tunnels between devices to securely transmit encrypted data. There are three main types of VPNs: remote-access VPNs for remote users, intranet-based site-to-site VPNs to connect locations within a company, and extranet-based site-to-site VPNs to connect companies. VPNs use protocols like IPsec and SSL to encrypt data and tunneling protocols to transmit data securely between devices.
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The document discusses several topics related to computer networking:
1. It explains how subnet masks are used to distinguish the network and host parts of IP addresses and how they allow controlling the number of addresses on a network.
2. It describes how checksums are used in internet protocols like IP, UDP and TCP to detect errors in transmitted data.
3. It discusses VLANs and how they provide logical network segmentation within a physical LAN, as well as inter-VLAN routing.
4. It covers load balancing techniques used to distribute network traffic across multiple servers for improved scalability and reliability.
Physical And Data Link Layers
This document summarizes the physical and data link layers that TCP/IP relies on. It describes how TCP/IP services are controlled by daemons like inetd. It then discusses the physical layer and different networking components like repeaters, bridges, switches, and routers. The rest of the document focuses on the data link layer, covering topics like data addressing, flow control, data integrity, frames, and common protocols like Ethernet, Token Ring, Serial Protocols, SLIP, and PPP.
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more evident. A crucial element of this impact is the alteration of vegetation cover, which plays a
significant role in maintaining the ecological equilibrium of our planet.Land serves as the foundation for all human activities and provides the necessary materials for
these activities. As the most crucial natural resource, its utilization by humans results in different
'Land uses,' which are determined by both human activities and the physical characteristics of the
land.
The utilization of land is impacted by human needs and environmental factors. In countries
like India, rapid population growth and the emphasis on extensive resource exploitation can lead
to significant land degradation, adversely affecting the region's land cover.
Therefore, human intervention has significantly influenced land use patterns over many
centuries, evolving its structure over time and space. In the present era, these changes have
accelerated due to factors such as agriculture and urbanization. Information regarding land use and
cover is essential for various planning and management tasks related to the Earth's surface,
providing crucial environmental data for scientific, resource management, policy purposes, and
diverse human activities.
Accurate understanding of land use and cover is imperative for the development planning
of any area. Consequently, a wide range of professionals, including earth system scientists, land
and water managers, and urban planners, are interested in obtaining data on land use and cover
changes, conversion trends, and other related patterns. The spatial dimensions of land use and
cover support policymakers and scientists in making well-informed decisions, as alterations in
these patterns indicate shifts in economic and social conditions. Monitoring such changes with the
help of Advanced technologies like Remote Sensing and Geographic Information Systems is
crucial for coordinated efforts across different administrative levels. Advanced technologies like
Remote Sensing and Geographic Information Systems
9
Changes in vegetation cover refer to variations in the distribution, composition, and overall
structure of plant communities across different temporal and spatial scales. These changes can
occur natural.
How to Setup Warehouse & Location in Odoo 17 Inventory
In this slide, we'll explore how to set up warehouses and locations in Odoo 17 Inventory. This will help us manage our stock effectively, track inventory levels, and streamline warehouse operations.
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ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...
Denis is a dynamic and results-driven Chief Information Officer (CIO) with a distinguished career spanning information systems analysis and technical project management. With a proven track record of spearheading the design and delivery of cutting-edge Information Management solutions, he has consistently elevated business operations, streamlined reporting functions, and maximized process efficiency.
Certified as an ISO/IEC 27001: Information Security Management Systems (ISMS) Lead Implementer, Data Protection Officer, and Cyber Risks Analyst, Denis brings a heightened focus on data security, privacy, and cyber resilience to every endeavor.
His expertise extends across a diverse spectrum of reporting, database, and web development applications, underpinned by an exceptional grasp of data storage and virtualization technologies. His proficiency in application testing, database administration, and data cleansing ensures seamless execution of complex projects.
What sets Denis apart is his comprehensive understanding of Business and Systems Analysis technologies, honed through involvement in all phases of the Software Development Lifecycle (SDLC). From meticulous requirements gathering to precise analysis, innovative design, rigorous development, thorough testing, and successful implementation, he has consistently delivered exceptional results.
Throughout his career, he has taken on multifaceted roles, from leading technical project management teams to owning solutions that drive operational excellence. His conscientious and proactive approach is unwavering, whether he is working independently or collaboratively within a team. His ability to connect with colleagues on a personal level underscores his commitment to fostering a harmonious and productive workplace environment.
Date: May 29, 2024
Tags: Information Security, ISO/IEC 27001, ISO/IEC 42001, Artificial Intelligence, GDPR
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Modul 5 VPN_2.ppt
- 4. 4 Figure 7-9 A WAN using frame relay
- 5. 5 A BRI link A PRI link
- 6. 6 T-carrier connecting to a LAN through a router point-to-point T-carrier connection CSU/DSU
- 8. 8 SONET ring
- 9. Virtual Private Network is a type of private network that uses public telecommunication, such as the Internet, instead of leased lines to communicate. Became popular as more employees worked in remote locations.
- 11. Secure VPNs use cryptographic tunneling protocols. ◦ IPsec, SSL/TLS, OpenVPN, PPTP, L2TP, L2TPv3, VPN- Q and MPVPN Trusted VPNs rely on the security of a single provider’s network to protect the traffic. ◦ MPLS and L2F
- 12. A virtual point-to-point connection made through a public network. It transports encapsulated datagrams. Encrypted Inner Datagram Datagram Header Outer Datagram Data Area Original Datagram Data Encapsulation [From Comer] Two types of end points: Remote Access Site-to-Site
- 14. Figure 1
- 17. Authentication – validates that the data was sent from the sender. Access control – limiting unauthorized users from accessing the network. Confidentiality – preventing the data to be read or copied as the data is being transported. Data Integrity – ensuring that the data has not been altered Cryptography Technic Encryption -- is a method of “scrambling” data before transmitting it onto the Internet. Public Key Encryption Technique Digital signature – for authentication
- 18. VPN can be deployed in three ways : Host to host Site-to-Site Host-to-Site
- 20. Remote access VPN Intranet VPN Extranet VPN
- 29. MPLS = Multi Protocol Label Switching Suatu metode forwarding (meneruskan data/paket melalui suatu jaringan dengan menggunakan informasi label yang dilekatkan pada I Memungkinkan router meneruskan paket dengan hanya melihat label yang melekat pada paket tersebut, sehinggap tidak perlu lagi melihat alamat IP tujuan)
- 30. Back
- 31. Perpaduan mekanisme Label Swapping (Layer 2) dan Routing (Layer 3) Terdiri atas LSR yang saling terhubung, membentuk suatu LSP LSR pertama disebut ingress LSR terakhir disebut egress Bagian tepi dari jaringan LSR disebut LER Back
- 32. LSR = Label Switched Router LSP = Label Switched Path LER = Label Edge Router TTL = Time to Live Back
- 33. Pembuatan label dan distribusi Pembuatan label dalam tiap router Pembuatan jalur label yang terhubung Pemasukan label Forwarding paket Back