5.3 Requirements

5.3  Requirements

Table 5.2 shows the hardware requirements for this system which is consist of one offline server computer, offline side wireless access point, android phone as an infomediary device, one online server computer and online side Wireless ADSL Modem.

No	Items	Details
1.	Offline server computer (Details in Appendix B)	Laptop Lenovo Z460Intel Core i5-460M 2.53GHz RAM: 4GB RAM Storage: 500GB HD OS: Windows XP SP3 NIC: Realtek Semiconductor RTL8101 PCIe Fast Ethernet Adapter
2.	Online server computer	Desktop PC Intel i3 2.93GHz RAM: 4GB RAM Storage: 700GB HD Samsung HD754JJ OS: Windows XP SP3 NIC: Realtek Semiconductor RTL8101 PCIe Fast Ethernet Adapter
3.	Offline side Wireless Access Point (Details in Appendix C)	D-Link DWL-2100AP Data Transfer Rate: 54 Mbps Data Link Protocol: IEEE 802.11b, 802.11 Super G, IEEE 802.11g Interfaces: 1 x Network - Ethernet 10Base-T/100Base-TX - RJ-45
4.	Infomediary device (Details in Appendix D)	LG Optimus 3D P920 OS: Android 2.3.5 Storage: 8GB internal storage + 32GB MicroSD WLAN: Wi-Fi 802.11 b/g/n
5.	Online side Wireless ADSL Modem (Details in Appendix E)	Riger DB 108-WL Wireless ADSL Modem 2/2+ Data Transfer Rate: 54 Mbps Support IEEE 802.11b/g, ANSI T1.413 Issue 2, ITU G.992.1 (G.dmt) Annex A,C, ITU G.992.2 (G.lite), ITU G.992.3 ADSL2 (G.dmt.bis), ITU G.992.4 ADSL (G.lite.bis), ITU G.992.5, ADSL2+, Extended Reach(READSL2)

Table 5.2: Hardware Requirements

Table 5.3 shows the software needed for this system which is Uniform Server 7.1.4, hMailServer 4.4.4, Roundcubemail 0.7.2, FreeFilesync 4.6 and Samba File sharing build 111107m.

No.	Items	Details
1.	Uniform Server 7.1.4	Uniform Server is a WAMP package used to run a server on any MS Windows OS based computer. It is small and mobile to download or move around and can also be used or setup as a production or live server [21].
2.	hMailServer 4.4.4	HMailServer is a free mail server for Microsoft Windows. It supports the common e-mail protocols (IMAP, SMTP and POP3) and can easily be integrated with many existing web mail systems. It has a flexible score-based spam protection and can attach to virus scanner to scan all incoming and outgoing email [15].
3.	Roundcubemail 0.7.2	Roundcube webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality of an e-mail client, including MIME support, address book, folder manipulation, message searching and spell checking [18].
4.	FreeFilesync 4.6	FreeFilesync is a free and open source folder and file synchronization program that features a beautiful, two pane user interface and a host of powerful options. It can compare files by their content or by file size and date, synchronize files and subfolders, process multiple pairs of folders at once, load/save folder comparison sessions, create batch jobs that can be run from the command line, and can handle cloned. It also offers UniCode and Network support and also a portable [22].
5.	Samba File sharing build 111107m	Enable access of android device storage over Wi-Fi as a Windows shared folder [23].

Table 5.3: Software Requirements

There are two additional requirements for this thesis which are TM Streamyx Dynamic 1 MBps Internet Service Provider (ISP) and DtDNS. 1 MBps internet connection provided by TMnet Internet Service Provider is sufficient for this offline email system. DtDNS service is a DNS hosting and DNS management services with a focus on dynamic DNS and dynamic IP address management [24]. DtDNS was used to solve the dynamic IP limitation of the internet connection to ensure accessibility of the system from the Internet.