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D-SBC Cluster

Multiexcerpt

MultiExcerptName	D-SBC Cluster Intro

In a Distributed

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configuration, each component scales independently in its own cluster depending upon call needs and the overall implemented traffic model.

S-SBC cluster – The Signaling component is scaled based on the traffic requirements.
M-SBC cluster – Media-based traffic such as video calls require instantiating more instances in the media cluster.
T-SBC cluster – The Transcoding-based traffic model require instantiating more instances in the transcoding cluster.

The S-SBC cluster instances discover the server instances using standard DNS resolution of policing and DSP services that are provided by the respective M-SBC and T-SBC cluster.

Command Syntax

Code Block
% set system dsbc cluster type <dsp, mrf, policer>

Command Parameter

Caption

0	Table
1	D-SBC Cluster Type DSP Parameters
3	D-SBC Cluster Type DSP Parameters

Parameter

Description

type

Use this parameter to configure the D-SBC cluster profile types.

dsp
mrf
policer

See D-SBC Cluster Type section below for configuration details.

D-SBC Cluster Type

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MultiExcerptName	D-SBC Cluster Type

The

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supports the following cluster profiles to resolve inter-cluster FQDN port communication for the M-SBC and T-SBC nodes involving instances communicating with other clusters:

Policer—The D-SBC uses the Policer cluster of type M-SBC to provide policing services that include DoS/DDoS protection, Topology Hiding [IPv4, IPv6, IPv4/IPv6 inter-working], Media Rate limiting, VLAN Tagging, Far end NA(P)T Learning, RTP Inactivity detection, SRTP Relay, ACLs and Micro Flows.
DSP—The D-SBC uses the Signaling IP address of the T-SBC hosting the DSP to provide services that include Transcoding/tone detection, Secured transport connection (crypto) like SRTP (Media), RTCP generation, FMTD detection, Legal Interception, Recording and Transcoding, Transrating or Tran-sizing flows.
MRF—The D-SBC uses the MRF cluster to user a third-party platform (MRF) to transcode audio and relay video/T.140. The MRF cluster is configured in a private
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network and uses RFC-4117 interface to communicate with S-SBC.

DSP Profile

The D-SBC uses the Signaling IP address of the T-SBC hosting the DSP to provide services that include Transcoding/tone detection, Secured transport connection (crypto) like SRTP (Media), RTCP generation, FMTD detection, Legal Interception, Recording and Transcoding, Trans-rating or Tran-sizing flows.

Command Syntax

Code Block
% set system dsbc cluster type dsp dnsGroup <DNS group name> fqdn <FQDN: 1-63> state <disabled \| enabled>

Command Parameters

Caption

0	Table
1	D-SBC Cluster Type DSP Parameters
3	D-SBC Cluster Type DSP Parameters

Parameter

Description

dnsGroup <dnsGroup name> – The default DNS Server Group for this zone.

fqdn <FQDN value> – The FQDN value to associate with this dsp profile.

state

The administrative state of this D-SBC cluster.

disabled (default)
enabled

Media Resource Function Profile

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MultiExcerptName	Invoke MRF Intro
PageWithExcerpt	Invoke MRF as a Transcoder for D-SBC

Media Resource Function Profile

This section provides the CLI syntax, parameter descriptions and command examples for configuring a MRF profile on a S-SBC.

Multiexcerpt include

MultiExcerptName	T140 Support
PageWithExcerpt	Invoke MRF as a Transcoder for D-SBC

For additional feature functionality For additional configuration details, refer to Invoke MRF as a Transcoder for D-SBC.

The CLI syntax, parameter descriptions and command examples for configuring a MRF profile on a S-SBC is provided below.

Info

title	Note

Use the global callRemoteMediaStatus and callResourceDetailStatus commands to see when MRF is used for transcoding a call (resType = "dresMrf").

Command Syntax

Code Block

% set system dsbc cluster type mrf
    mrfFqdn <domanin name>
	mrfIpAddress <IP address>
	mrfPort <0-65535>
	mrfRequestUri <Request URI>
	mrfRoutingType <IpAddress | fqdn>
	mrfTgName <trunking group name>
	mrfTransportType <TCP| TLS| UDP>
	state <disabled | enabled>

Command Parameters

Info

title	Note

The MRF server is configured as either FQDN or IP address based on the mrfRoutingType setting.

Caption

0	Table
1	D-SBC Cluster Type MRF Parameters
3	D-SBC Cluster Type MRF Parameters

Parameter

Length/Range

Parameter Description

Mandatory /
Optional

mrfFqdn

1-63

<domain name> – The domain name of the MRF server.

When mrfRoutingType = fqdn, configure the DNS Group on the zone in which mrfTgName exists.

M

mrfIpAddress

N/A

<IP address> – One or more IP addresses of the MRF server. When mrfRoutingType = ipAddress, a minimum of one IP address must be configured. If more than one IP address is entered, separate each IP address by a comma (,). The

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supports a maximum of four IP addresses.

M

mrfPort

0-65535

<port number> – The port number of the MRF server. The default value is based on the mrRoutingType setting. (Default = 5060)

When the mrfRoutingType is fqdn, mrfPort default value is "0". In this case, you must configure the desired port in the DNS server for the SRV record.
When the mrfRoutingType is IpAddress, mrfPort .

O

mrfRequestUri 1-63 <request uri> – Request URI sent in an Invite towards MRF server. M

mrfRoutingType

N/A

The routing type used to send invites towards MRF server.

fqdn (default)
IpAddress

O

mrfTgName 1-24 <TG name> – The Trunk Group name used for MRF signaling. M

mrfTransportType

N/A

The transport type used to communicate to the MRF server.

TCP
TLS
UDP (default)

O

state

N/A

The admin state of the MRF cluster.

disabled (default)
enabled

M

Policer Profile

Multiexcerpt

MultiExcerptName	Policer Profile

The D-SBC uses the policer cluster of type M-SBC to provide policing services that include DoS/DDoS Protection, Topology Hiding (IPv4, IPv6, IPv4/IPv6 inter-working), Media Rate Limiting, VLAN Tagging, Far End NA(P)T Learning, RTP Inactivity Detection, SRTP Relay, ACLs and Micro Flows.

Info

title	Note

This cluster configuration is applicable only to the S-Node, and helps it identify the seed node of the M-Cluster with a FQDN. The DNS Group configuration tells which DNS Group to use to resolve the specified FQDN.

Command Syntax

Code Block
% set system dsbc cluster type policer dnsGroup <DNS group name> fqdn <FQDN: 1-63> state <disabled \| enabled>

Command Parameters

Caption

0	Table
1	D-SBC Cluster Type Policer Parameters
3	D-SBC Cluster Type Policer Parameters

Parameter

Description

dnsGroup <dnsGroup name> – The default DNS Server Group for this zone.

fqdn <FQDN value> – The FQDN value to associate with this policer profile.

state

The administrative state of this D-SBC cluster.

disabled (default)
enabled

Command Examples

To configure a DSP cluster profile:

Code Block
set system dsbc cluster type dsp dnsGroup SWeDNS fqdn tsbc.tcluster.com state enabled commit

To configure an MRF as IP address:

Code Block

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% set system dsbc cluster type mrf mrfRoutingType IpAddress mrfPort 5060 mrfIpAddress 10.54.1.1 mrfTgName SBX_55461_IMS_TG mrfRequestUri MRF-SERVER mrfTransportType UDP state enabled
commit

To configure an MRF as fqdn:

Code Block
% set system dsbc cluster type mrf mrfRoutingType fqdn mrfPort 5060 mrffqdn sonusnet.com mrfTgName SBX_55461_IMS_TG mrfRequestUri MRF-SERVER mrfTransportType UDP state enabled commit

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Key

D-SBC Cluster

Command Syntax

Command Parameter

D-SBC Cluster Type

DSP Profile

Command Syntax

Command Parameters

Media Resource Function Profile

Media Resource Function Profile

Command Syntax

Command Parameters

Policer Profile

Command Syntax

Command Parameters

Command Examples