Unit 8, 14 Ashtan Place, BANYO 4014
Brisbane Queensland Australia
Phone: 07 3267 7880
Business Accounting Software
Innovation, Installation, & Support
Lennox Computer
Lennox Computer Home Page
Est. 1984
eMail: info@lennox.com.au
LILAC Remote Client - Wide Area Network Operations
Portable & Remote Access to your LILAC Server
The LILAC Remote Client package may be downloaded and installed onto any Windows based tablet, notebook or desktop computer to permit on-line access to all LILAC features from any location world-wide that has Internet connectivity by WiFi or Ethernet cable, and/or of course 3g, 4g or LTE cellular telephone Internet access. The same LILAC user account used at work can also be used remotely.
Notebook & Tablet Computers
Any Windows 10 based device makes a great LILAC Remote Client platform, but we are particularly excited by a new product from Samsung right now. The Galaxy TabPro S 4G is a fully featured Windows 10 Pro platform with built in nano SIM slot for LTE HiGH speed Internet access on the go anywhere there is Cellphone coverage. Perfect for the travelling executive.
LILAC Wide Area Networks
Virtual Private Networks via the Public Internet
The public Internet infrastructure in Australia and overseas provides an increasingly powerful, low-cost way for national and international enterprises to implement a network of computers across the country or across the world, without incurring the costs of dedicated point-to-point connections, or expensive dial-up connections.

Lennox Computers LILAC software uses a Client/Server communications protocol implemented directly on top of the Internet's TCP/IP packet-switched “virtual-circuit” concept.
Robust “end-to-end” encryption and security guarantee that data packets containing private data may flow from branch office to and from head-office server locations, routed via the public Internet with complete privacy. Thus the term “Virtual Private Network”.

Typically each location within the enterprise will be connected to the Internet locally via a device called an IP Router and a digital signalling system such as an ADSL telephone service provided by Powertel or Telstra in Australia. Any number of computers at that location may then access the LILAC database at the remote server location on a permanent on-line basis, as well as having permanent access to the full range of Public Internet services and protocols.

Lennox Computer can take responsibility for all aspects of the establishment, management and maintenance of your VPN operations, as we have with a number of our larger clients. The following discussion gives more detail on Lennox Computer WAN/VPN concepts.
Packet Level Protocol TCP/IP
LILAC3 requires the use of the Transport Control Protocol/Internet Protocol at the packet level. Whilst these may coexist on your Ethernet with other packet protocols such as IPX/SPX, unless there is a good reason for this we recommend the use of TCP/IP exclusively. TCP/IP is the "language" of the Internet and it's use as the primary means of communication by LILAC guarantees seamless communications locally, remotely and internationally.
IP Addresses and Domain Names
Internet Protocol (IP) addresses are the identifiers that individual computers are known by when they are connected to the Internet.

IP Addresses can be "static" - permanently allocated to a particular computer, or "dynamic", reallocated by an address server from time to time.

Lennox Computer can administer the allocation and installation of IP addresses on each computer in your network, and if required provide Domain Name Registration for Internet operations.
Client Server Structure
LILAC employs a software structure and communications regime which is generally similar to the www website structure. LILAC does not use actual HTML protocols because these are relatively inefficient and vulnerable to penetration. LILAC uses a encrypted protocol across the local and wide area network which is very secure and permits the use of the public Internet directly without the need for expensive and complex VPN hardware appliances.
Lennox Computer - 07 3267 7880
Brisbane, QLD, Australia.
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