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When using this service, customers are required to select a necessary bandwidth for intra-zone and cross-zone communications (excluding the “nationwide uniform charge type”). Communications between locations in the same zone are considered as intra-zone communications, and communications between locations in different zones are considered as cross-zone communications and require the Ether-VPN relaying network.
For all customers who use the service, KDDI Ether-VPN stipulates the guaranteed performance level in terms of network delay time and availability, assuring the service quality.
We will refund part of the service fee to customers if the monthly average value of round-trip time delay for all Ether-VPN domestic backbones exceeds the standard value.
Applicable zone |
Applicable section |
Ether-VPN domestic backbones |
Section between the line reception switches of each zone |
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Standard value |
Refund rate |
35 ms |
1/30 |
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Some failures such as circuit disconnection are not applicable to this service for network delay time. |
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Monthly average round-trip time delay |
November 2006 |
21.25 ms |
October 2006 |
21.24 ms |
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We guarantee that the section between POI to which customers’ access line is connected and the backbone is available at all times. If the monthly availability becomes less than 99.9%, we will refund part of the service fee according to the rate.
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As for the Ether Access and Data Center connection lines, we guarantee the lines including the access portions. |
Standard value |
Refund rate |
99.9% or higher |
None |
99.8% or higher and less than 99.9% |
1/90 |
98.0% or higher and less than 99.8% |
1/30 |
95.0% or higher and less than 98.0% |
1/10 |
90.0% or higher and less than 95.0% |
1/5 |
Less than 90.0% |
1/1 |
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Packet loss is not applicable. |
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When conducting a traffic test, first check whether the mutual communication is available between test locations and then conduct the test bi-directionally.
In addition, when designating a recipient MAC address for the traffic test, be sure not to cause a broadcast in the Ethernet network.
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Do not use the broadcast MAC address“FF:FF:FF:FF:FF:FF”, the IPv4 multicast MAC address “01:00:5E:00:00:00-01:00:5E:7F:FF:FF”, and other special MAC address “00:00:00:00:00:00”.
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Conducting tests using incorrect procedures may have a serious effect on the entire network.
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When conducting a test using a line of 200 M or higher, contact our TSC (Technical Service Center: 0120-988-113) in advance.
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