/mcpCollaboration Edge Business demand for connectivity between organizations by leveraging the Internet has increased significantly over the past few years. For many organizations, this connectivity is a fundamental requirement for conducting day-to-day activities. Moreover, securely connecting mobile workers and remote sites to each other and to headquarters is critical functionality that enables organizations to accomplish their business goals. The Cisco Collaboration on- premises Preferred Architecture addresses these needs with the Collaboration Edge architecture shown in Figure 10. Figure 10. Architecture for Collaboration Edge
Table 8 lists the roles of the Collaboration Edge components in this architecture and the services they provide. Table 8. Components for Collaboration Edge Module Component Description Collaboration Edge Cisco Expressway-E The traversal server that enables secure VPN- less mobile and remote access for TelePresence endpoints and Jabber clients. The traversal server resides in the DMZ. The solution also provides business-to-business calling, protocol interworking, and cloud connectivity. Cisco Expressway-C The traversal client that creates a secure, trusted connection through the firewall to Expressway-E. The traversal client resides inside the organization’s network. The solution provides

