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layer 2 vpn architectures

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Understanding Any Transport over MPLS: This sample chapter, taken from CiscoPress' Layer 2 VPN Architectures, starts with an overview of LDP used by pseudowire emulation over MPLS, followed by an explanation of the protocol specifications and operations of AToM. You learn the general properties of the pseudowire emulation over MPLS networks specified in IETF documents....; Tags: AToM, Cisco Systems Inc., emulation, Internet Engineering Task Force, Layer 2, Layer 2 VPN Architectures, MPLS, specification; Download resources 2005-03-11

Additional Resources

MPLS VPNs: Layer 2 or Layer 3? Understanding the Choice: Since there's been data networking, there's been a debate between switched and routed architectures - stated in OSI terms, between performing functions at Layer 3 or Layer 2. Today, we see it again surfacing as network architects consider the design of Virtual Private Networks VPNs that take advantage of Multi-Protocol...; Tags: MPLS VPN, Layer 2, Layer 3, MPLS, VPNs, Networking, Network Security, Telecommunications; White papers 2002-07-05
VPN Architectures - Comparing MPLS and IPSec and a Combined Approach: This white paper compares MPLS- and IPSec-based VPN architectures. It begins by explaining the evolution of the two distinct VPN technologies, and the general goals for VPN architectures. Next, it presents the relative strengths of MPLS- and IPSec-based VPNs and explains where service providers can deploy each architecture for optimum...; Tags: MPLS, White Paper, Cisco Systems Inc., Architecture, IPSec, VPNs, Network Security, Networking, Telecommunications, Security; White papers 2003-01-10
Understanding Any Transport over MPLS (AToM): This book chapter, excerpted from Cisco Press' Layer 2 VPN Architectures, begins with an overview of LDP Label Distribution Protocol used by pseudowire emulation over MPLS, followed by an explanation of the protocol specifications and operations of AToM Any Transport over MPLS. Learn the general properties of the pseudowire emulation...; Tags: AToM, MPLS, Cisco Systems Inc., Network Technology, Networking; Book chapters 2005-03-11
Enterprise Guide for Selecting an IP VPN Architecture - Comparing MPLS, IPsec, and SSL: Companies selecting IP VPN architecture - MPLS, IPSec, and SSL - need to consider their business needs because there is no single best choice. In fact, many enterprises are best served by some combination of the three architectures. IPSec and SSL VPNs, in contrast, are typically managed by the enterprise,...; Tags: IP VPN, MPLS, IP, SSL, IPSec, VPNs, Ssl/Tls, Network Security, Authentication/Encryption, Networking, Security; White papers 2004-10-01

An Examination of Firewall Architectures: The best defense is knowledge -- prepare yourself. This whitepaper will give a better understanding of the firewall architectures available in today's market.All firewalls rely on the inspection of information generated by protocols that function at various layers of the OSI Open Systems Interconnection model. Knowing the OSI layer...; Tags: OSI, Firewalls, Network Security, Security, Networking; White papers 2001-04-02
Beyond the Basics: Technologies for Compelling Layer 3 VPN Services: Layer 3 VPNs offer secure, any-to-any communication over a service provider's IP/MultiProtocol Label Switching MPLS-based backbone network. Service providers that offer Layer 3 VPN services can take advantage of new, advanced features from Cisco Systems to differentiate their service, reduce operational and capital expenditure, and generate incremental revenue streams. This...; Tags: Layer 3, Service Provider, Cisco Systems Inc., Business Services, Networking; White papers 2004-12-01
Dynamic Multiservice Delivery With Reconfigurable DWDM Networks: Traditional dense wavelength-division multiplexing DWDM networks, whether hub and-spoke or mesh architectures, have significant challenges meeting the dynamic wavelength demands for user services. Service providers and enterprises rely on flexible aggregation devices that can build efficient, dynamic Layer 2 and Layer 3 architectures to manage the difficulty of provisioning unplanned...; Tags: DWDM, Optical Networking, Ethernet, Networking; White papers 2005-06-01
SSL VPN Security: Secure Sockets Layer SSL VPN is an emerging technology that provides remote-access VPN capability, using the SSL function that is already built into a modern web browser. SSL VPN allows users from any Internet-enabled location to launch a web browser to establish remote-access VPN connections, thus promising productivity enhancements and...; Tags: SSL VPN, SSL, Secure Sockets Layer VPN, Ssl/Tls, Authentication/Encryption, Network Security, VPNs, Security, Telecommunications, Networking; White papers
Architecture of and Migration to SOA's Presentation Layer: Service-Oriented Architectures SOA enables enterprises too quickly respond to changing business requirements. Since there are human users interacting with SOA by, for example, entering data or making decisions, user interfaces are an integral part of the architecture. In this paper the state-of-the-art concepts and relevant standards related to the presentation...; Tags: SOA, Migration, Service-Oriented Architecture (SOA), Web Services, Middleware, Enterprise Software, Software; White papers 2006-10-17
Network Fundamentals: Wired network architectures encountered at customer sites fall into two classifications: switched Layer 2 networks or routed Layer 3 networks. The fundamental difference between these network types is the communications protocol layer relied upon for propagating data across network resources. An understanding of layered communications protocols and the underlying services...; Tags: Network, Symbol Technologies Inc., Networking; White papers 2005-04-01
Comparing MPLS-Based VPNs, IPSec-Based VPNs, and a Combined Approach From Cisco Systems: This white paper compares MPLS- and IPSec-based L3VPN architectures. It begins by exploring the L3VPN mechanisms developed by the IETF and summarizing the general objectives of VPNs. Next it presents the relative strengths of MPLS- and IPSec-based VPNs and explains how service providers can use both architectures for optimum advantage....; Tags: MPLS, White Paper, Cisco Systems Inc., VPNs, IPSec, Network Security, Networking, Telecommunications, Security; White papers 2004-01-01
Nortel Network Case Study: Mayer & Cie. GmbH & Co. KG: To provide flexible, secure remote access to external software developers, enabling the company to adapt its core enterprise software systems quickly and easily. In addition, Mayer & Cie. wanted to securely share key corporate information with trusted third parties over the public Internet. A Secure Sockets Layer SSL-based VPN supporting...; Tags: Network, Nortel Networks Corp., SSL, Ssl/Tls, VPNs, Network Security, Authentication/Encryption, Remote Access, Security, Telecommunications, Networking; Case studies 2005-12-20
Build a scalable, flexible, and highly-available data center: This sample chapter, taken from Cisco Press' Data Center Fundamentals, focuses on three main properties of data center architectures: scalability, flexibility, and high availability. Data centers are rapidly evolving to accommodate higher expectations for growth, consolidation, and security. Although the traditional Layer 2 and Layer 3 designs...; Tags: Chapter, Layer 2, Data Center, Layer 3, Cisco Systems Inc., Data Centers, Storage, Hardware, Data Management; Book chapters 2005-08-19
VPN-1 SecureClient: A paper describing Check Point's two VPN client solutions -- VPN-1 SecuRemote and VPN-1 SecureClient. VPN-1 SecuRemote provides flexible VPN support for remote and mobile users. VPN-1 SecureClient is an enhanced VPN client software offering centrally managed personal firewall capabilities and secure configuration verification for all enterprise VPN users.; Tags: Check Point Software Technologies Ltd., VPN Client, VPN-1 SecureClient, VPNs, Network Security, Firewalls, Telecommunications, Security, Networking; White papers
VPN: Dear All,Anybody help me for creating VPN Setting.I am new in VPN. Please guide me to setup new VPN server as well as VPN client Also. Anybody send the details of the VPN setup.Thanks & RegardsSIMI; Tags: VPNs, Network security, TELECOMMUNICATIONS, NETWORKING, silpha84@..., VPN; Discussion threads 2007-05-28
Towards a Converged Transport for IP Core Networks: Service providers' IP core networks face strong traffic growth today and in the future, requiring significant capacity expansion and huge investments. In currently deployed architectures, a significant proportion of costly IP capacity is basically used to solve transport tasks, resulting in the need for extremely large routers. IP core architectures...; Tags: Network, IP, Networking, Network Technology; White papers 2005-09-01
Enterprise Architectures: In 1999, the CIO Council, made up of CIOs of major government departments and agencies, published a benchmark framework, the Federal Enterprise Architecture Framework FEAF, to provide various agencies with a generic approach. A number of government architectures, including the US Department of Defense's C4ISR framework and the Treasury Department's...; Tags: Information Technology, Enterprise Architecture, Architecture, Strategy, Operational Planning, Management, Business Operations; White papers 2004-01-01
Case Study for Layer 3 Authentication and Encryption: This case study explains the basic tasks for configuring a multi-service, extranet Virtual Private Network VPN between a Cisco Secure VPN Client VPN Client and a Cisco IOS networking device gateway. This case study describes IP Security Protocol IPSec tunnelling. It includes the following sections: Case Study Overview, and Site...; Tags: Layer 3, Cisco Systems Inc., VPN Client, Encryption, IPSec, VPNs, Network Security, Networking, Telecommunications, Security; Case studies
Introduction to SSL VPNs: In the beginning, there was dialup remote access. Users whoneeded to access resources on the company LAN from home, while on the road, ata customer's location or when otherwise off-site could use a modem to dial intoa server on the LAN. Due to the limitations of modem technology, this was...; Tags: Deb Shinder, IPSec, PPTP, SSL, SSL VPN, VPN; Technical articles 2005-05-05

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