Intranet and Extranet VPN Business Scenarios

Classifications

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  • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
  • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
  • H04L63/0435—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply symmetric encryption, i.e. same key used for encryption and decryption
• • H—ELECTRICITY
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  • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
  • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
  • H04L63/0464—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload using hop-by-hop encryption, i.e. wherein an intermediate entity decrypts the information and re-encrypts it before forwarding it
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  • H04L63/00—Network architectures or network communication protocols for network security
  • H04L63/16—Implementing security features at a particular protocol layer
  • H04L63/164—Implementing security features at a particular protocol layer at the network layer
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  • H04L63/0209—Architectural arrangements, e.g. perimeter networks or demilitarized zones
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  • H04L29/06—Communication control; Communication processing contains provisionally no documents characterised by a protocol
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  • H04L12/02—Details
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  • H04L69/16—Transmission control protocol/internet protocol [TCP/IP] or user datagram protocol [UDP]
  • H04L69/161—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
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• • H—ELECTRICITY
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  • H04L45/00—Routing or path finding of packets in data switching networks
• • H—ELECTRICITY
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  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L67/00—Network-specific arrangements or communication protocols supporting networked applications

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