SS7 and Sigtran System Engineering
- Duration: 2 days or 12 hours
- Level: Level 3
SS7 and Sigtran System Engineering
Course Outline
Divided into 10 sections, the topics covered will include:
Section 1: SS7 and Sigtran Introduction (1.5 hours)
- Requirements for SS7 and Sigtran in Modern Networks.
- SS7 Network Architecture - Signalling Points, SPC, STP, SLS, SRS.
- SS7 Protocol Stack - MTP1, 2 and 3, SCCP, SS7 Applications.
- SS7 Standards.
- Sigtran Transport Architecture.
- Sigtran Protocol Stack - IP, SCTP, User Adaptation.
- Application Servers and ASPs.
Section 2: Message Transfer Part Levels 1 and 2 (1.5 hours)
- MTP1 Characteristics and Physical Formatting.
- MTP2 Signalling Units - MSU, LSSU, FISU.
- Link Establishment Procedures.
- Link Reliability Mechanisms - Preventive Cyclic Retransmission.
- Analysis of real network traces.
Section 3: Message Transfer Part Level 3 (1 hour)
- MTP3 SNM and SMH.
- Routing Label Composition.
- Signalling Message Handling - Discrimination, Distribution and Routing.
- MTP3 Primitives - Transfer, Pause, Resume, Status.
- Signalling Network Management - Header Format and Functionality.
- Signalling Traffic Management - Signalling Link and Route Management, Changeovers, Changeback etc.
- Analysis of real network traces.
Section 4: NUP and ISUP (1 hour)
- NUP Messages - Key Headers and Fields.
- Call Establishment using NUP.
- NUP Supplementary Services.
- ISUP Messages - Key Headers and Fields.
- Call Establishment using ISUP.
- ISUP End to End Signalling.
- Analysis of real network traces.
Section 5:SCCP and SCCP Applications (1 hour)
- SCCP Architecture.
- Connectionless Control - Class 0 and 1, UDT, XUDT, LUDT.
- Connection Orientated Control - Class 2 and 3, CR and CC, SLR, DLR.
- SCCP Routing and Global Titles.
- SCCP Message Formats and Types.
- SCCP Management.
- TCAP Operation - Transaction and Component Sublayers.
- Analysis of real network traces.
Section 6: Stream Control Transmission Protocol (1.5 hours)
- Drivers for SCTP Development - limitations of TCP.
- SCTP Architecture - Associations, Endpoints, Streams, Chunks.
- SCTP Association Establishment - INIT, INIT-ACK, COOKIE-ECHO, COOKIE-ACK.
- SCTP Data Transmission and Acknowledgement - TSN, SSN, SID, SACK.
- Congestion Control and Load Balancing - Slow Start, Congestion Avoidance, Fast Retransmit.
- Analysis of real network traces.
Section 7: MTP3 User Adaptation Layer (1.5 hours)
- M3UA Protocol Architecture.
- M3UA Deployment Options.
- Routing Keys and Routing Contexts.
- Layer Management Functions.
- M3UA Header Format.
- Procedures - ASP Establishment, Data Transfer, Signalling Network Management.
- Analysis of real network traces.
Section 8: M2UA and M2PA (1 hour)
- M2UA Protocol Architecture.
- M2UA Interface Identifiers.
- M2UA Operation - border primitives, messages and message formats.
- MTP2 User Data Transfer and Support for SNM.
- Services Offered by M2PA.
- M2PA Message Format and Procedures - link setup, data message transfer.
- Analysis of real network traces.
Section 9: SUA and IUA (1 hour)
- SUA Architecture and Deployment.
- Routing Keys and Routing Contexts.
- SUA Management and Data Transfer Messages.
- IUA and Q.931 Architecture.
- IUA Procedures - Address Mapping, Message Formats, Q.931 Message Mapping.
- Analysis of real network traces.
Section 10: IP Network Security (1 hour)
- Confidentiality, Integrity and Authentication of Signalling Messages.
- Techniques used to provide CIA - Encryption, Hashing, Digital Signatures and Certificates.
- Protecting Sigtran with IPSec.
- IPSec- AH and ESP.
- Sigtran and TLS.
Who Should Attend
Telecommunications Engineers requiring a detailed explanation of SS7 and its use in IP telecoms networks. Network Architects involved in the development and deployment of an IP based Next Generation Network.
Pre - Learning
Pre-Learning is provided to prime those attending the instructor led phase. Each lesson is based on an interactive online format and should take about 30 minutes to complete. The pre-Learning lessons are:
- Test of Understanding - Try the online check to see how much you know.
- Packet Switching.
- Protocol Stacks and IP.
- IP Addressing.
- Sigtran Basics.