Application Note Building Fault-tolerant SS7 Systems Using the Intel® NetStructure™ SIU520 SS7 Signaling Gateway

Table of Figures

Figure 1

Structure of the Intel® NetStructure™ SIU520 SS7 Signaling Gateway

2

Figure 2

Integrating the SIU520

3

Figure 3

SIU Connected to Adjacent Node with Two Links in Link Set

4

Figure 4

SIU520 Connected to Mated STP Pair Providing Route Resiliency

5

Figure 5

Dual SIU Architecture

6

Figure 6

Transmit Routing to a Single Destination

7

Figure 7

Dual-resilient SIUs Connected to a Mated STP Pair in a Straight Line

8

 

Configuration

 

Figure 8

Dual-resilient SIUs Connected to a Mated STP Pair in a Crossed Link

8

 

Configuration

 

Figure 9

Transmit Routing Through Mated STPs

9

Figure 10

Normal Routing for Circuit Group 0 When Controlled by SIUA

10

Figure 11

Routing When All Local Links Have Failed, Group 0 Controlled by SIUA

11

Figure 12

Routing Following Failure of SIUA

12

Figure 13

Two Different Architectures for a TCAP Processing SIU System

13

Figure 14

Message Flow on a Dual-resilient System Running

14

 

the SS7 Stack up to TCAP

 

Figure 15

Dual LAN Operation on the SIU520

15

Figure 16

TCAP Dialogue Groups Example

16

Figure 17

Inter-SIU Link over Crossed E-1/T-1 Cable

17

Figure 18

Inter-SIU Link Set over V.11

18

Figure 19

Example Configuration to an Adjacent SSP/SCP

19

Figure 20

Example Configuration to an Adjacent STP Pair

20

 

 

 

Page 3
Image 3
Intel SIU520 SS7 manual Table of Figures

SIU520 SS7 specifications

The Intel SIU520 SS7 is a significant advancement in the realm of telecommunications, specifically designed for seamless signaling in a wide array of telecommunication infrastructures. As a part of Intel's pioneering suite of products, the SIU520 plays a critical role in managing signaling for telephony systems that require efficient handling of SS7 protocols.

One of the main features of the SIU520 is its support for the SS7 signaling protocol, which is pivotal for the establishment and management of telephone calls over traditional circuit-switched networks. With its robust design, the SIU520 ensures reliability in signaling, contributing to the reduction of call set-up times and the minimization of errors, thus enhancing the overall quality of communication services.

The SIU520 incorporates advanced technologies such as high-speed data processing capabilities, allowing it to handle multiple signaling messages concurrently. This is particularly important in environments with high call volumes, where efficient processing can significantly affect the performance of telecommunication services. Furthermore, the architecture of the SIU520 is designed for scalability, enabling easy integration into existing infrastructures while accommodating future expansions as demand increases.

Another characteristic that sets the SIU520 apart is its support for various signaling types beyond standard SS7, including ISDN and SIP. This makes it a versatile tool for service providers aiming to offer diverse services, such as voice, video, and data communications. The SIU520 is also designed with a focus on interoperability, which ensures that it can effectively communicate with equipment from different manufacturers, thus providing flexibility in deployment.

In terms of security features, the SIU520 is architected to withstand common threats in the communication landscape. It employs encryption and authentication protocols to safeguard signaling traffic, ensuring that sensitive information remains protected during transmission.

In summary, the Intel SIU520 SS7 represents a robust and flexible signaling solution crucial for modern telecommunications. With its support for multiple protocols, high processing speeds, scalability, and secure communication capabilities, it stands as a testament to Intel's commitment to advancing telecommunication technologies and enhancing the efficiency and reliability of communication networks worldwide.