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89 | II Série A - Número: 023S1 | 6 de Novembro de 2008

The ports on the edge switches should not be more than ninety percent (90%) full to cater for last minute requirements. When there is a choice between two switches of twenty-four (24) ports or one switch of forty-eight (48) ports, select two switches of twenty-four (24) ports so that in case of equipment failure, fewer users would be affected.
Edge switches for connecting PCs, laptops and printers shall be dedicated to either the “Purple LAN” or “Orange LAN”, distribution and core switches may be shared between the two logical networks.
All network equipment selected shall be certified by the manufacturer for operating in a medium and large network environment. Under normal operational conditions, the average network ping response time from any wired connected PC to the local servers or gateway should not be more than one (1) millisecond.
Spare equipment with ready-to-apply configuration of all edge switches shall be available on-site.
All PCs or servers installed shall be able to access the Internet through the local ISP. PCs in the Orange-LAN may access the Internet directly, while PCs in the Purple-LAN may access the Internet via a proxy server.
The switches provided shall support VLANs and 802.1q trunking protocol.
The network shall be delivered with monitoring and security management tools with alerting by e mail or SMS to allow quick determination of network anomalies.
Detailed up-to-date documentation of the entire network and operations procedure shall be readily available to the ITU IT support team.
1.2 ITU private “Purple-LAN”, including wireless LAN in the conference rooms The local internal network shall consist of a dedicated network for ITU (hereinafter referred to as the “Purple-LAN”) that can support the entire work of the Events. This wired local area network shall comprise 10/100 Mbps Ethernet segments for PCs, printers and servers connections.
The Purple-LAN should be connected to ITU headquarters in Geneva through two (2) dedicated leased lines (see definition below) and to the Orange-LAN through a firewall. The definition of the Virtual LANs (VLAN) on the Purple-LAN shall be communicated to the Government four (4) months before the opening dates of the Events.
There should be at least one (1) wireless access point in each conference room (see Annex 2) to allow ITU staff to connect to the Purple-LAN: a) the wireless LAN shall be 802.11a, b, g and Wi-Fi compliant (plus any new generally adopted standards at the time of the Events); b) the access points shall support common encryption protocols (e.g. WEP, WPA, WPA2); c) the target average ping response time from the laptops to the gateway shall not exceed twenty (20) ms during normal load conditions; d) the target average throughput for each associated laptop shall be three (3) Mbps or above; e) the wireless access points shall be centrally controlled to allow rapid, if possible auto, reconfiguration of the access points to adapt to changing load conditions in the conference rooms and blocking of individual laptops in case of virus problems; f) the SSID will be communicated to the Portuguese Party at the time of installation; this SSID should not be broadcast.
The Purple-LAN shall be fully operational (including all network services) on 13 April 2009.