Siemens 5890 Bedienungsanleitung PDF herunterladen (Seite 17)

Service Guide

AT&T Business DSL INTERNET SERVICE

Other terms and conditions apply. See AT&T Service Guide HOME Page.

(url:http://www.att.com/abs/serviceguide)

Effective as of: 06/23/06 Revision No.35 Page 17

”Latency” is a monthly measure of US Network-Wide Delay, which is the average interval of time it

takes during the applicable calendar month for a test packet of data to travel from one AT&T US IP

Backbone Node to another and back again.

(see http://ipnetwork./jointfilesconvert/459007/bgtmo.ip.att.net/current_network_performance.shtml)

Data Delivery (Backbone Packet Loss) SLA

AT&T commits that the Data Delivery will be no less than 99.95% (IP Backbone Packet Loss Ration

will be no greater than 00.05%). If AT&T does not meet this SLA in a month, Customer will be

eligible for a credit of 1/30th of Customer's total DSL Monthly Service Fee(s) for all Sites.

"Data Delivery Ratio" is the average percentage of Data Delivered that is Lost Data in a month

measured for all city pairs that are AT&T US IP Backbone Nodes. Packet Loss Ratio for each city

pair is calculated by dividing Lost Data by Data Delivered and multiplying by 100.

• “Data Delivered” is the data delivered in a month by AT&T Customers to an ingress router at an

AT&T US IP Backbone Node for delivery to an egress router at another specific AT&T US IP

Backbone Node.

• “Lost” data is the Data Delivered that is not actually received by that egress router at the other

AT&T US IP Backbone Node.

US Network-wide Delay and US Network-wide Packet Loss are measured on the AT&T IP Network

Performance, Monthly Average website at: http://ipnetwork./jointfilesconvert/459007/bgtmo.ip.att.net/pws/averages.html

. Please

note that the DSL Service connecting the customer’s premises to the AT&T IP Backbone is not included

within the definition of the AT&T IP Backbone.

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