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2. Cisco Systems VPN Client - Wikipedia

   en.wikipedia.org/wiki/Cisco_Systems_VPN_Client

   Cisco Systems VPN Client is a software application for connecting to virtual private networks based on Internet Key Exchange version 1. On July 29, 2011, Cisco announced the end of life of the product. No further product updates were released after July 30, 2012, and support ceased on July 29, 2014. [4]

3. Dynamic Multipoint Virtual Private Network - Wikipedia

   en.wikipedia.org/wiki/Dynamic_Multipoint_Virtual...

   DMVPN is initially configured to build out a hub-and-spoke network by statically configuring the hubs (VPN headends) on the spokes, no change in the configuration on the hub is required to accept new spokes. Using this initial hub-and-spoke network, tunnels between spokes can be dynamically built on demand (dynamic-mesh) without additional ...

4. Systems Network Architecture - Wikipedia

   en.wikipedia.org/wiki/Systems_Network_Architecture

   Non-IBM SNA software allowed systems other than IBM's to communicate with IBM's mainframes and AS/400 midrange computers using the SNA protocols. Some Unix system vendors, such as Sun Microsystems with its SunLink SNA product line, including PU2.1 Server, [ 31 ] and Hewlett-Packard / Hewlett Packard Enterprise , with their SNAplus2 product ...

5. Vyatta - Wikipedia

   en.wikipedia.org/wiki/Vyatta

   The Vyatta system is intended as a replacement for Cisco IOS 1800 through ASR 1000 [3] series Integrated Services Routers (ISR) and ASA 5500 security appliances, with a strong emphasis on the cost and flexibility inherent in an open source, Linux-based system [4] running on commodity x86 hardware or in VMware ESXi, Microsoft Hyper-V, Citrix ...

6. Layer 2 Tunneling Protocol - Wikipedia

   en.wikipedia.org/wiki/Layer_2_Tunneling_Protocol

   The process of setting up an L2TP/IPsec VPN is as follows: Negotiation of IPsec security association (SA), typically through Internet key exchange (IKE). This is carried out over UDP port 500, and commonly uses either a shared password (so-called "pre-shared keys"), public keys, or X.509 certificates on both ends, although other keying methods ...

7. List of SIP software - Wikipedia

   en.wikipedia.org/wiki/List_of_SIP_software

   IBM WebSphere Application Server - Converged HTTP and SIP container JEE Application Server; Interactive Intelligence Windows-based IP PBX for small, medium and enterprise organizations; Kerio Operator, IP PBX for small and medium enterprises; Microsoft Lync Server 2010 & 2013; Mitel Communications Director; NEC SV7000 back-to-back user agent ...