Chapter 6. Teleworker Services. Teleworker Services. Business Requirements for Teleworkers. Business Requirements for Teleworkers. Organizational Benefits: Continuity of operations. Increased responsiveness. Secure, reliable and manageable access to information.
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Business Requirementsfor Teleworkers
Site to site is secure fast and reliable.
Most common option.
Router needs QoS
VPN Router or VPN client.
VPN capable routers
Main receiving antennas and dishes.
Tree and branch cable system. Trunk and feeder cables.
Where signals are processed and distributed.
Access method regarding the multiplexing of signals.
Cable Modem Termination System (CMTS)
Optical to RF Conversion
Enables receiving data at high speeds and provides a LAN attachment
Hybrid Fiber-Coaxial Network (HFC)
Shared bandwidth can be adjusted for congestion.
DSL is not a shared medium.
Voice and data over the same copper telephone line.
DSL Access Multiplexer
DSL modem, router.
Demarc: Network Interface Device.
Connects directly to the ISP.
Two main components
3,000 sq. miles
7,500 sq. km
The key installation requirement is for the antenna to have a clear view toward the equator.
Two-way satellite Internet uses IP multicasting technology.Allows one satellite to serve up to 5,000 channels.
Virtual Private Network (VPN)
Firewall or router.
VPN Concentrator, Firewall or router.
VPN gateway endpointsto establish, manage,and control connections.
VPN client software.
Generic Routing Encapsulation
Something was changed!
Allows two parties to establish a shared secret key used by encryption and hash algorithms over an unsecure line.
Which IPsec Protocol?
Which hash method?
How to share keys.