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Scalability & Resilience Deployment Guide

Introduction

This document covers the SimCom solution deployed as a scalable and resilient solution. It provides an overview of how the SimCom solution provides these features when you deploy more than one SimCom server. The servers can be standard servers or be hosted on virtual machines (VM)

This document discusses the concepts, requirements and how to deploy this type of architecture. By deploying more than one host server as described here you can configure:
  • Several components of the same type to work as one resilient “unit”; for example if one server goes down, communication can be hosted on the other server
  • Scalability (increased capacity); for example, SIP signalling can be hosted across servers if one does not have enough capacity to host all the participants.
  • Efficiency; the SimCom solution decides which components to use to provide effective and efficient communication; for example, participants calling from different locations can use different components while keeping the user experience of a simpler deployment
When deploying for scalability and resilience, use the HA Web Admin
  • Install the standard server or virtualized solution following the appropriate Installation Guide
  • Each SimCom server will host all the components of the SimCom solution

How to use this Guide

This guide follows on from the “SimCom UCP Deployment Planning and Preparation Guide” — and assumes that you have completed the instructions there already. This deployment guide is intended to be read and acted upon in the order provided.

If you need any technical assistance with the configuration, or you want to report a suspected bug, email support@simcom.no.

Firewall rules

The following rules are used by the SimCom UCP

 Funtion   Destination port  Type  Direction Used by
 SIP 5060 TCP/UDP Incoming SIP-endpoints
 SIP 5060 TCP/UDP Outgoing SIP-endpoints
 LDAP (**) 10389 TCP/UDP Incoming SIP-endpoints
 RTP 5000-32767 UDP Incoming SIP-endpoints
 RTP 5000-32767 UDP Outgoing SIP-endpoints
 HTTP (**) 80 TCP Incoming Administration, Provisioning, XML-services, etc
 HTTP 80 TCP Outgoing Provisioning, XML-services
 HTTPS (*, **) 443 TCP Incoming Adminstration
 HTTPS (*) 443 TCP Outgoing License server, MS Exchange, etc.
 NTP (**) 123 TCP Incoming Time server for endpoints
 NTP 123 TCP Outgoing Time server
 DNS 53 TCP/UDP Outgoing DNS lookup
 TFTP 69 UDP Incoming TFTP-server
 LDAP 389 TCP/UDP Outgoing LDAP-server
 SSH 5533 TCP Outgoing SimCom Support Center
 HTTP 5544 TCP Outgoing Access to SimCom´s repository (for receving updates, etc)
Used user agent: "SimCom-UCP/<version number of package>"

*If used by this deployment
** If a Front-End server is used. The Front-End server will in turn forward the packet´s to the node server(s).

Configuring SimCom UCP

For first time setup, SimCom support needs to access the system for generating license keys and enabling the system for the first time. Please contact SimCom support @ support@simcom.no

Next Steps

After SimCom support has configured your platform, your system is now ready for use and the core configuration is finished.

Please use the SimCom UCP help for additional configuration or contact your sales representative in SimCom and ask for training/courses.
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