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| This article describes the TelcoBridges [[Tdev]] High Availability feature. The hardware and software are both designed with the following 2 goals in mind:
| | #REDIRECT [[Redundancy_%26_High_Availability]] |
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| # First and foremost, to recover from a system failure and minimize the system downtime or instability. This is achieved with a fault tolerant and redundancy architecture. | |
| # Secondly, to keep active calls open after a fail-over, whenever possible.
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| '''Important''':[[Tmedia]] high availability features are described [[Redundancy_&_High_Availability|here]]
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| To learn more about high availability and redundancy, see [https://www.telcobridges.com/products/product-features/redundancy TelcoBridges website.]
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| == TelcoBridges High Availability ==
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| TelcoBridges High Availability should be seen as a collection of high availability and redundancy features instead of one single feature. This means that customers can do as little or as much as they require to create a high availability system.
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| == Definitions ==
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| The following list of terms are commonly used in the description of high availability features:
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| * [[Active Calls]]
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| * [[Active/Standby]]
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| * [[Load Sharing]]
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| * [[Master/Slave]]
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| * [[Primary/Secondary]]
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| * [[Resynchronization]]
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| * [[Switchover]]
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| * [[Switchover Period]]
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| * [[Transient Calls]]
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| == High Availability Features ==
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| === Hardware High Availability Features<br> ===
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| *[[High Availability:Hardware:Power Supply|Dual Power supply]]
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| *Networking
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| **[[High Availability:Hardware:Networking#Control Network|Control Network Redundancy]]
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| **[[High Availability:Hardware:Networking#Voip Network|Dual VoIP Network]]
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| **[[High Availability:Hardware:Networking#TMS Network|TMS Network]]
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| *[[High Availability:Hardware:Hosts|Host redundancy]]
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| **[[High Availability:Hardware:Hard_Disks|Hard Disks]]
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| *[[High Availability:Hardware:Tdm Interfaces|Tdm Interfaces]] (OC3/STM-1 APS)
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| *[[High Availability:Hardware:Clocking|Clocking]] (Multiple clock sources)
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| ==== TelcoBridges Hardware HA Product Checklist ====
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| This checklist provides a quick overview of each [[Tdev]] model and their high availability support.
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| {| cellpadding="5" border="1" class="wikitable"
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| |-
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| ! width="210" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" rowspan="2" | Products
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| ! width="630" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" colspan="4" | Hardware High Availability Features
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| |-
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| ! width="210" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | Dual Power Supply
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| ! width="210" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | Control Network Redundancy
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| ! width="210" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | Dual Voip Network
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| ! width="210" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | Host Redundancy
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| |-
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| ! width="210" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | TMP800
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| | width="210" style="text-align:center;background: none repeat scroll 0% 0% rgb(255, 255, 255);" | {{Check_X_Mark| n}}
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| | width="210" style="text-align:center;background: none repeat scroll 0% 0% rgb(255, 255, 255);" | {{Check_X_Mark| n}}
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| | width="210" style="text-align:center;background: none repeat scroll 0% 0% rgb(255, 255, 255);" | {{Check_X_Mark| n}}
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| | width="210" style="text-align:center;background: none repeat scroll 0% 0% rgb(255, 255, 255);" | {{Check_X_Mark| Y}}
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| |-
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| ! width="210" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | TMP5900
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| | width="210" style="text-align:center;background: none repeat scroll 0% 0% rgb(255, 255, 255);" | {{Check_X_Mark| Y}}
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| | width="210" style="text-align:center;background: none repeat scroll 0% 0% rgb(255, 255, 255);" | {{Check_X_Mark| Y}}
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| | width="210" style="text-align:center;background: none repeat scroll 0% 0% rgb(255, 255, 255);" | {{Check_X_Mark| Y}}
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| | width="210" style="text-align:center;background: none repeat scroll 0% 0% rgb(255, 255, 255);" | {{Check_X_Mark| n}}
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| ! width="210" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | TMP6400
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| | width="210" style="text-align:center;background: none repeat scroll 0% 0% rgb(255, 255, 255);" | {{Check_X_Mark| Y}} (with 2 U)
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| | width="210" style="text-align:center;background: none repeat scroll 0% 0% rgb(255, 255, 255);" | {{Check_X_Mark| Y}}
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| | width="210" style="text-align:center;background: none repeat scroll 0% 0% rgb(255, 255, 255);" | {{Check_X_Mark| Y}}
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| | width="210" style="text-align:center;background: none repeat scroll 0% 0% rgb(255, 255, 255);" | {{Check_X_Mark| Y}}
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| ! width="210" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | TMP7900
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| | width="210" style="text-align:center;background: none repeat scroll 0% 0% rgb(255, 255, 255);" | {{Check_X_Mark| Y}}
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| | width="210" style="text-align:center;background: none repeat scroll 0% 0% rgb(255, 255, 255);" | {{Check_X_Mark| Y}}
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| | width="210" style="text-align:center;background: none repeat scroll 0% 0% rgb(255, 255, 255);" | {{Check_X_Mark| Y}}
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| | width="210" style="text-align:center;background: none repeat scroll 0% 0% rgb(255, 255, 255);" | {{Check_X_Mark| Y}}
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| |}
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| === Software Features ===
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| *[[High_Availability:Software:CDR | CDR]]
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| *[[High_Availability:Software:Configuration_Database | Configuration Database]]
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| *Signaling Stack
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| **[[High_Availability:Software:Signaling_Stack:CAS|CAS]]
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| **[[High_Availability:Software:Signaling_Stack:ISDN|ISDN]]
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| **[[High_Availability:Software:Signaling_Stack:SIGTRAN|SIGTRAN]]
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| **[[High_Availability:Software:Signaling_Stack:SIP|SIP]]
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| **[[High_Availability:Software:Signaling_Stack:SS7|SS7]]
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| *Toolpack Application Suites
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| **[[Toolpack_Application:gateway | gateway/user specific application]]
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| **[[Toolpack_Application:tboamapp | tboamapp]]
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| **[[Toolpack_Application:Tbtoolpack_Service | Tbtoolpack service]]
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| **[[Toolpack_Application:toolpack_engine | toolpack_engine]]
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| **[[Toolpack_Application:toolpack_sys_manager | toolpack_sys_manager]]
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| **[[TB_StreamServer | tbstreamserver]]
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| **[[Toolpack_Application:web_server| web_server]]
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| == Installation, Maintenance and Provisioning ==
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| This section demonstrates how to install, upgrade, and configure a high availability system.
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| *[[High_Availability:Software:Install | Installing a host redundancy system]]
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| *[[High_Availability:Software:Upgrade | Upgrading a host redundancy system]]
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| *[[High_Availability:Software:Configure| Configuring a host redundancy system]]
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| [[category:Needs revising]]
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