2187 Courses in Bristol

5G TRAINING COURSE DESCRIPTION This course is designed to give the delegate an understanding of the technologies and interworking requirements of the next generation of cellular communications. It is not a definitive set of descriptions but a possibility of the final deployment. During the course we will investigate the 10 pillars for 5G, which will include various Radio Access Technologies that are required to interwork smoothly. Hence we will look at the 4G Pro features and other RATs. WHAT WILL YOU LEARN * List the ten pillars of 5G deployment. * Explain the 5G Internet and Software Distributed Networks (SDN). * Explain carrier aggregation, the mobile cloud and RAT virtualisation. * Explain an overall picture of 5G architecture. 5G TRAINING COURSE DETAILS * Who will benefit: Anyone who is looking to work with next generation networks. * Prerequisites: Mobile communications demystified * Duration 3 days 5G TRAINING COURSE CONTENTS * Drivers for 5G 5G Road Map, 10 Pillars of 5G, evolving RATs, small cell, o SON, MTCm, mm-wave, backhaul, EE, new spectrum, spectrum sharing, RAN virtualisation. * 4G LTE advanced features *MIMO, Downlink & uplink MIMO R8, MIMO technology in LTE advanced, Downlink 8-layer SU-MIMO, Downlink MU-MIMO, Uplink MU-MIMO, Uplink transmit diversity, Coordinated multi-point operation (CoMP), Independent eNB & remote base station configurations, Downlink CoMP, * Uplink Multi-Cell Reception. * ICIC & eICIC ICIC, Homogeneous to heterogeneous network, eICIC, Macro-pico scenario, Macro-femto scenario, Time orthogonal frequencies. Almost Blank Subframe (ABS). * Carrier aggregation Component carriers (CC), * CC aggregation, Intra-band contiguous solutions, Intra-band non-contiguous solutions, Inter-band non-contiguous solutions, CA bandwidth classes, Aggregated transmission bandwidth configurations (ATBC), Possible carrier aggregation configurations (Rel 9, 10 & 12). * Enhanced Interference Mitigation & Traffic Adaptation (eIMTA) TDD UL-DL reconfiguration for traffic adaptation, Reconfiguration mechanisms, Interference mitigation schemes, Dynamic & flexible resource allocation. * 5G architectures 5G in Europe, horizon 2020 framework, 5G infrastructure PPP, METIS project, innovation centre, 5G in North America, research, company R & D, 5G specifications. * The 5G internet Cloud services, IoT & context awareness, network reconfiguration & virtualization support, hypervisors, SDN, the controller, service-oriented API, OpenFlow switches, SDN operation, SDN control for traffic flow redirection, OpenFlow controllers, how SDN works, application, control and infrastructure layers, a programmable network, how SDN & NFV tie together, SDN's downside, SDN orchestration, Mobility, architectures for distributed mobility management, MEDIEVAL & MEDIVO projects, a clean slate approach, mobility first architecture, network virtualization (VNet), INM, NetInf, ForMux, MEEM, GP & AM, QoS support, network resource provisioning, IntServ, RSVP, DiffServ, CoS, aggregated resource provisioning, SICAP, MARA, Emerging approach for resource over-provisioning, example use case architecture for the 5G internet, integrating SDN/NFV for efficient resource control, control information repository, service admission control policies, network resource provisioning, control enforcement functions, network configurations, network operations. * Small cells for 5G Average spectral efficiency evolution, What are small cells? WiFi & Femto cells as candidate small-cell technologies, Capacity limits & achievable gains with densifications, gains with multi-antenna techniques, gains with small cells, Mobile data demand, approach & methodology, subscriber density projections, traffic demand projections, global mobile data traffic increase modelling, country level backhaul traffic projections, 2020 average spectrum requirement, Small cell challenges, backhaul, spectrum, automation. * Cooperation for next generation wireless networks Cooperative diversity & relaying strategies, Cooperative ARQ & MAC protocols, NCCARQ & PRCSMA packet exchange, Physical layer impact on MAC protocol, NCCARQ overview, PHY layer impact, Performance evaluation, simulation scenario and results. * Mobile clouds; technology & services for future communications platforms Mobile cloud, software, hardware and networking resources, Mobile cloud enablers, mobile user domain, wireless technologies, WWAN WLAN and WPAN range, Bluetooth, IEEE.802.15.4, software stacks, infrared, near field communications (NFC), store & forward vs compute & forward, random/linear network coding. * Security for 5G communications Potential 5G architectures, Security issues & challenges in 5G, user equipment, mobile malware attacks, 5G mobile botnets, attacks on 4G networks, C-RNTI & packet sequence numbers based UE location tracking, false buffer status reports attacks, message insertion attacks, HeNB attacks, physical attacks, attacks on mobile operator's network, user data & identity attacks, DDoS attacks, amplification, HSS saturation, external IP networks.

DEFINITIVE VPNS TRAINING COURSE DESCRIPTION A hands on course covering VPNs from the basics of benefits and Internet vs. Intranet VPNs through to detailed analysis of the technologies involved in VPNs. All the major VPN protocols are covered including PPPoE, L2TP, SSL, IPsec and dynamic VPNs. MPLS L3 VPNs are also covered. WHAT WILL YOU LEARN * Describe what a VPN is and explain the difference between different VPN types. * Recognise the design and implementation issues involved in implementing a VPN. * Explain how the various technologies involved in a VPN work. * Describe and implement: L2TP, IPsec, SSL, MPLS L3 VPNs. * Evaluate VPN technologies. DEFINITIVE VPNS TRAINING COURSE DETAILS * Who will benefit: Network personnel. * Prerequisites: IP Security foundation for engineers. * Duration 3 days DEFINITIVE VPNS TRAINING COURSE CONTENTS * VPN overview What is a VPN? What is an IP VPN? VPNs vs. Private Data Networks, Internet VPNs, Intranet VPNs, Remote access VPNs, Site to site VPNs, VPN benefits and disadvantages. * VPN Tunnelling VPN components, VPN tunnels, tunnel sources, tunnel end points, hardware based VPNs, Firewall based VPNs, software based VPNs, tunnelling topologies, tunnelling protocols, which tunnelling protocol should you use? requirements of tunnels. * VPN security components Critical VPN security requirements, Encryption and authentication, Diffie Hellman, DES, 3DES, RSA, PKI, Ca server types, pre shared keys versus certificates, Enrolling with a CA, RADIUS in VPNs. * PPP Encapsulation, operation, authentication. Hands on Setting up PPPoE and analysing PPP packets. * PPTP Overview, Components, How it works, control and data connections, GRE. Hands on Building a PPTP VPN. * L2TP Overview, components, how it works, security, packet authentication, L2TP/IPSec, L2TP/PPP, Layer 2 versus layer 3 tunnelling. Hands on Implementing a L2TP tunnel. * IPSec AH, HMAC, ESP, transport and tunnel modes, Security Association, use of encryption and authentication algorithms, manual vs automated key exchange, NAT and other issues. Hands on Implementing an IPSec VPN. * Intranet VPNs Headers, architecture, label switching, LDP, MPLS VPNs. * VPN products and services PE and CPE, management, various VPN products. * VPN issues and architectures VPN architectures: terminate VPN before/on/ after/in parallel with firewall, resilience issues, VRRP, performance issues, QoS and VPNs. documentation.

SNMP TRAINING COURSE DESCRIPTION A hands-on generic look at the technical operation of SNMP. The course starts with an overview of all the components, which make up SNMP. Hands on starts early with configuration of a managed network. The major versions of SNMP are then put into perspective followed by a look at the SNMP protocol. MIBs are then studied both from the perspective of reading MIBs and writing MIBs. The course finishes with a look at the security implications of SNMP. WHAT WILL YOU LEARN * Describe the SNMP architecture. * Analyse SNMP packets. * Recognise the MIB structure. * Describe the SMI. * Recognise the strengths and weaknesses of SNMPv2 and SNMPv3. SNMP TRAINING COURSE DETAILS * Who will benefit: Network administrators. Network operators. Programmers writing MIBs and agents. * Prerequisites: TCP/IP Foundation for engineers Hands on experience of an SNMP management station would also be beneficial. * Duration 3 days SNMP TRAINING COURSE CONTENTS * Network management What is network management? Benefits, issues. * What is SNMP? SNMP architecture, SNMP MIBs, SMI, the SNMP protocol, polling security, alternatives to SNMP: CMIP, web based management. * Configuring SNMP Auto discovery for management stations, NMS configuration, agent configuration, traps. Hands on Configuring agents and an NMS. * SNMP background SNMP history, RFCs, standards, SNMP protocol versions, SNMPv1, SNMPv2, SNMPv3, SNMP SMI versions, which version should you use? Futures. * SNMPv1 packets SNMP in the 7 layer model, port numbers, general packet format, BER, GET, GET-NEXT, tables, SET, TRAP, bandwidth issues, in band versus out of band management. Hands on Analysing SNMPv1 packets. * SNMPv2 packets SNMPv2 improvements, error handling, GETBULK, v2traps, INFORM. Hands on Analysing SNMPv2 packets. * SNMPv3 packets SNMPv3 packet format, use of SNMPv2 messages, REPORT PDU. * MIB structure The internet MIB branch, standard mib-2, extra parts of mib-2, private enterprise MIBs, loading extra MIBs. Hands on MIB browsing. * mib-2 The mib-2 groups, system group, interfaces group, IP group, ICMP group, TCP group, UDP group, transmission group, SNMP group, RMON. Hands on mib-2 browsing in detail. * SMI The MIB layout, obtaining a private enterprise number, MIB definitions, IMPORT, Module identity, Textual conventions, object definitions, notifications, compliance statements, object groups, base SMI data types, application data types, scalars, instances, tables, table definition, writing agents, SMIng. * SNMP security Community strings, SNMPv1 and SNMPv2c security practices, SNMPv3 security, SNMPv3 architecture, SNMP applications, the SNMP engine, the EngineID, security fields in SNMPv3 packets, USM, authentication, encryption, timeliness, VBAC, SNMPv3 configuration.

VOICE OVER LTE TRAINING COURSE DESCRIPTION This course provides a basic understanding of the 3G LTE Air Interface, SAE, as well as Voice over LTE options and LTE Advanced features. Investigating the standards for the EPS , formulated by the 3GPP standards body, the course will set out to examine and explain the 4G environment from user equipment to border gateway and beyond. This course will ensure the delegate has a grasp of all aspects of the current global deployments, the next steps in upgrades and the promise of things to come. WHAT WILL YOU LEARN * Describe the complete EPC architecture. * Explain the use of QoS within the air interface & core network. * Explore the features of LTE advanced. * Describe the various methods of supporting voice services with 3G LTE. * Describe IMS structure and control entities. * Explain an IMS session. VOICE OVER LTE TRAINING COURSE DETAILS * Who will benefit: Any engineers who are assisting in the deployment of voice services within their LTE networks. * Prerequisites: Intro to Data comms & networking Telecommunications Introduction * Duration 3 days VOICE OVER LTE TRAINING COURSE CONTENTS * 3GPP standards body Release 8 - Release 12, Supported and expected features. * The EPC revisited EPC revisited 3G LTE & EPC Architecture, NB, MME, SGW, PDNGW, PCRF, Interworking capabilities, Protocol stack explored, NAS signalling, Default EPS bearer, Slot allocation algorithms, Scheduling algorithms, Quality of Service requirements, Dedicated EPS bearers. * VoLTE deployment strategies Common networks everywhere, GSM/WCDMA view, CDMA view. * VoLTE system architecture LTE radio, LTE Radio background, LTE radio architecture, Evolved packet core, EPC entities & functions, EPS mobility management, MS entities, Home subscriber server, Policy & charging rules function. * VoLTE functionality Radio functionality, Bearers & schedulers, Mobility, Circuit switched fall back handover, Mobility from 2G/3G back to LTE, Power Saving Features, Positioning services, UE radio access capabilities for VoLTE users. EPC functionalities, LTE subscriber identification, PDN connectivity establishment, EPS dedicated bearer setup, IMS identification, IP multimedia identification module, Public user identity, Private user identity, Relationship between public & private identity, identification of users device, identification of network entities, identification of services, identification without ISIM. IMS service provisioning, Enforcement of allowed services, Service triggering information, Selection of the AS, AS behaviour, Service provisioning in action. * VoLTE end-to-end & signalling VoLTE subscription & device configuration. EPS attach for CSFB/IMS VoIP & default bearer. IMS registration, Constructing the REGISTER request, From UE to P-CSCF, From P-CSCF to I-CSCF, From I-CSCF to S-CSCF, S-CSCF challenges the UE, UE's response to the challenge, Registration at the S-CSCF, The 200 OK response, Third-party registration to application servers, Subscription to registration event package, Re-registration & re-authentication, De-registration, Related standards. IMS VoIP session, Constructing the INVITE request, Routing, Media negotiation, Media resource reservation & policy control, Charging, Session release. Voice continuity, PS - PS intersystem handover, Single radio voice call continuity. IMS emergency session, PDN Connection setup for emergency session, Emergency registration, Emergency session. CS fallback for EPS call case, Architecture of CS fallback in EPS, Description of SGs interface, Idle mode signalling reduction, Idle mode vs active mode, CS fallback attachment, Mobile originating call using CSFB, Mobile terminating call using CSFB, Call unrelated CSFB procedures, Mobile terminating roaming retry & forwarding. VoLTE Messaging, Native IMS messages, SMS interworking, Multimedia messaging service. Unstructured supplementary services data simulation in IMS. * IMS services VoLTE radio performance Coverage, Latency, Capacity. * LTE advanced features Carrier aggregation, Coordinated mMulti-point Operation (CoMP), ICIC & eICIC, Relay node deployment & donor eNBs, Improved cell edge coverage, Reduced control plane latency, Heterogeneous networks, HeNB, security gateways, HeNB gateways.

CONCISE CISCO ROUTERS COURSE DESCRIPTION A fast paced practical hands on introduction to Cisco routers concentrating on basic product knowledge needed for the real world. Starts with the basics of routing through configuring static routes, RIP, OSPF, and EIGRP ending with access lists. Hands on sessions follow all the major chapters with a major practical at the end to reinforce all that was learnt in the course. WHAT WILL YOU LEARN * Use the Cisco setup script. * Use the Cisco command line. * Perform basic troubleshooting. * Configure - Interfaces - RIP, IGRP - OSPF, EIGRP CONCISE CISCO ROUTERS COURSE DETAILS * Who will benefit: Anyone who will be working with Cisco routers. In particular: Network Administrators, Field engineers, Network support personnel * Prerequisites: None, although a knowledge of the TCP/IP protocols would be advantageous. * Duration 3 days CONCISE CISCO ROUTERS COURSE CONTENT * Basics of routing What are routers? Network protocols, Routing protocols. * The Cisco routers Router models, The IOS, DRAM, SRAM, NVRAM, Flash, ROM and boot flash. * Getting started Accessing the router, installing a Cisco, using the setup script. * The command line interface User and privilege modes, online help show, debug, basic troubleshooting * Configuring Ciscos The configuration editor, Global, major and sub commands, enable, secret and other passwords, telnet. * Miscellaneous exercises Buffered logging, web access, CDP… * Subnetting IP addressing rules. The need for subnetting, subnet masks, Calculating network numbers. * Configuring Interfaces Basics, Ethernet, Serial lines, PPP, DCE, loopback interfaces. * Static routes Why use static routes? Configuring static routes, default routes. * Configuring RIP and IGRP How they work, configuration, troubleshooting. * OSPF Configuration and troubleshooting. * EIGRP Configuration and troubleshooting. * Housekeeping Configuration management, offline editing and TFTP usage. Cisco boot sequence, IOS upgrades. Bypassing Cisco passwords. * Access lists What are access lists? General rules, basic and extended IP access lists. * Putting it all together A series of exercises based around, installs, adds, moves, changes, upgrades and troubleshootin

TOTAL IP MULTICAST TRAINING COURSE DESCRIPTION This training course provides an advanced three day hands on study of IP multicast technology focusing on architectures, applications and protocols. All aspects of IP multicasting are covered including PC, server and switch implementations. Design, configuration, support and troubleshooting are all covered in the course. Hands on sessions are used to reinforce the theory rather than teach specific implementations. WHAT WILL YOU LEARN * Design multicast networks. * Explain how multicast networks work. * Compare and contrast the different multicast routing protocols, such as DVMRP, PIM, MBGP and SSM. * Configure PCs, servers, switches and routers for multicasting. * Configure multicast routing protocols including: PIM Dense Mode. PIM Sparse Mode BGP SSM Troubleshoot multicast networks. TOTAL IP MULTICAST TRAINING COURSE DETAILS * Who will benefit: Technical staff working with IP multicasts. * Prerequisites: TCP/IP Foundation for engineers * Duration 3 days TOTAL IP MULTICAST TRAINING COURSE CONTENTS * Introduction What is multicasting? Why multicast? Why not multicast? Multicasting vs. multiple unicasts, Multicasting vs. broadcasts, multicasting applications, the use of unicast addressing for setting up multicast applications, multicast use within standard protocols such as OSPF. hands on Example multicast applications. * Addressing Layer two multicast addresses, Class D addresses, mapping layer 3 addresses onto layer 2 multicast addresses. Multicast addresses on NBMAs, scoping multicast traffic, Multicast address blocks, GLOP, IPv6 and multicasting, anycasting. hands on Multicast addressing. * Multicast architectures Where the different protocols are used, PC to router, router to router, how switches can get involved. hands on Analysing multicast packets. * PC to router Configuring Class D addresses, IGMP, packet formats, queries, reports, maintaining groups, enhancements to IGMP (v2 and v3), Leaving a group, querier elections, hands on Analysing IGMP packets. * Switches and multicasting Controlling multicast traffic with switches, VLANS, static bridge table entries, IGMP snooping, CGMP. hands on Configuring switches for multicast environments. * Router to router MOSPF, DVMRP, PIM Sparse Mode, PIM Dense Mode, MBGP. hands on Simple router configuration for multicasting. * Theory behind multicast routing protocols Distribution trees, source distribution trees, shared trees, core based trees. Reverse path forwarding, Multicast routing protocol types. PIM DM: Flooding, pruning, PIM designated routers, hands on configuring PIM DM. * PIM Sparse mode Rendevous points, discovering RPs, hands on Configuring PIM SM, using different protocols for different groups. PIM SM with one RP, using multiple RPs, Auto RP. * MBGP Multiprotocol routing, how does MBGP work? How MBGP carries multiple protocol information, MBGP and multicasts, MBGP and IPv6. hands on Configuring MBGP for multicasts. * Internet multicasting The internet, ISPs, the MBone, tunnelling, Inter domain multicasting, the role of MBGP, Inter domain problem, MSDP, MSDP operation SSM, PIM-SM and shared trees, SSM, PIM-SSM operation, SSM benefits. hands on MSDP configuration. SSM configuration.

MPLS TRAINING COURSE DESCRIPTION A hands-on introduction to MPLS covering the basics of what MPLS is and how to configure it, through to more advanced concepts such as MPLS VPNs and traffic engineering with MPLS. WHAT WILL YOU LEARN * Describe MPLS * Explain how MPLS works * Describe the interaction between OSPF/IS-IS/BGP and MPLS * Describe MPLS traffic engineering MPLS TRAINING COURSE DETAILS * Who will benefit: Anyone working with MPLS. * Prerequisites: IP Routing BGP * Duration 3 days MPLS TRAINING COURSE CONTENTS * What is MPLS? What does MPLS stand for? What is MPLS? Core MPLS, MPLS and the 7 layer model, MPLS is a protocol, MPLS is a standard, MPLS runs on routers, MPLS history, Why MPLS? For service providers, For enterprises. * MPLS Architecture Label Switch Routers, two types of LSR, PE and P router roles, FEC, swapping labels, MPLS packet format, Loops, TTL control. Hands on: Building the base network. Enabling MPLS. Simple testing and troubleshooting of MPLS. * Label distribution Label review, label switch path, label distribution methods, piggybacking, Label distribution Protocols, LDP, LDP operation, LDP packets, discovery messages, session messages, advertisement messages, notification message, Label Information Base, routing tables, the LFIB, MPLS forwarding, penultimate hop popping, handling labels, LSP control modes, when to distribute labels, how long to keep labels, aggregation, label merging. Hands on: LDP traffic analysis. * MPLS TE and QoS What is MPLS TE? Why TE? TE versus shorted path, how MPLS TE works, CR-LDP, OSPF-TE, IS-IS-TE, TE with BGP, RSVP-TE, MPLS Fast reroute, MPLS QoS. Hands on: Enabling MPLS-TE. * BFD BFD, hello the BFD protocol. * MPLS VPN What is a VPN? MPLS VPN types, MPLS VPN comparison, MPLS L3 VPN, VRFs, MBGP, MPLS VPN architecture, VRF RD, VRF RT, the label stack, L2 VPNs, VPWS, AToM, VPLS. Hands on: MPLS L3 VPN setup, troubleshooting.

MYSQL FOUNDATION TRAINING COURSE DESCRIPTION The MySQL foundation course covers the basics of the SQL language as implemented by MySQL. The course is designed to give delegates practical experience in writing SQL statements using the MySQL client program and MySQL Workbench. The basic SQL statements, including the use of SQL functions and the basic table and view handling statements are introduced. WHAT WILL YOU LEARN * Create, alter and drop a MySQL database. * Write SQL statements. * Use SQL expressions and functions. * Create and alter tables, indexes and views. * Use transactions. * Grant and revoke access privileges. * Export and import data. MYSQL FOUNDATION TRAINING COURSE DETAILS * Who will benefit: Anyone who needs to access and work with a MySQL Database. * Prerequisites: An understanding of databases and exposure to information technology in general would be useful. * Duration 3 days MYSQL FOUNDATION TRAINING COURSE CONTENTS * Database concepts What is a database? database management systems, tables, rows and columns, indexes, primary keys, unique constraints and foreign keys, client-server architecture, supported data types, storage engines and table types, Information_Schema and MySQL Databases. Hands on using a database. * Using the MySQL client What is the MySQL client? getting started and logging in, selecting a database, client commands, entering and executing SQL statements, retrieving previous commands, creating, editing and executing SQL files, redirecting output into a file, command line execution of MySQL scripts. Hands on Using the MySQL client. * Basic SELECT The SQL SELECT statement, case sensitivity, quotes, statement terminator, syntax conventions, SELECT clause, FROM clause, conditions and the WHERE clause, logical operators, ORDER BY clause, column aliases, arithmetic expressions, precedence of operators. Hands on querying the sample database. * LIMIT, UNION and AGGREGATE functions The LIMIT clause, UNION, UNION ALL, aggregate functions, GROUP BY clause, using Rollup with GROUP BY, HAVING clause. Hands on using limit, union and aggregate functions. * Subqueries and joins Subqueries, cartesian products, table aliases, natural joins, join using, join on, multi-table joins. Hands on using subqueries and joins. * Numeric and character functions Function types, testing functions, numeric functions character functions. Hands on using numeric and character functions. * Data, time and other functions Date and time column types, date and time formats, Date format function, functions to return date time, functions to extract components from date time, date time arithmetic, miscellaneous functions. Hands on using date, time and other functions. * Databases and tables Creating a database, selecting a database, creating tables, Auto_increment, show create table, column operations, constraint operations, copying tables, renaming tables, changing engine for tables, dropping tables, temporary tables. Hands on maintaining databases and tables. * Indexes and views What is an index? creating an index, reviewing indexes, dropping indexes, what is a view? creating views, view restrictions, dropping views. Hands on maintaining indexes and views. * Managing data Inserting rows, replacing rows, updating rows, deleting rows, Truncate statement, The COMMIT and ROLLBACK commands, savepoints, implicit commits. Hands on managing data. * Access control Creating users, renaming users, dropping users, granting privileges, revoking privileges. Hands on creating users, granting and revoking. * Import and export Exporting using SQL, importing using SQL, exporting from the command line, importing from the command line. Hands on export and import data.

4G & 5G ROAMING SCENARIOS & PROCEDURES COURSE DESCRIPTION This course is designed to explain the roaming procedures of modern mobile networks, based on the GSMA roaming specification the course explains all scenarios where a mobile subscriber may find themselves whilst visiting a preferred mobile network partner. Interconnection between MNOs and the use of GRX & IPX as an interworking process. The course will work through the registration & authentication procedure, download of the user profile, the APN configuration & DIAMETER process to verify user authenticity. VoLTE roaming and IMS registration procedures for voice support & SMS delivery will be discussed and explained. WHAT WILL YOU LEARN * Architecture Models * Technical requirements for interfaces - 4G Roaming Scenarios * Technical requirements & recommendations for services * Other Technical Requirements & Recommendations * Technical Requirements for QoS support * Technical Requirements & Recommendations for Interfaces - 5G Scenarios * Technical Requirements & Recommendations for Interworking & Coexistence with E-UTRAN & EPC * Technical Requirements & Recommendations for Services * Other Technical Requirements & Recommendations 4G & 5G ROAMING SCENARIOS & PROCEDURES COURSE DETAILS * Who will benefit: Those working in mobile networks. * Prerequisites: None. * Duration 3 days 4G & 5G ROAMING SCENARIOS & PROCEDURES COURSE CONTENTS ARCHITECTURE MODELS 4G Evolved Packet System 5G Core Network SGs Interface for CSFB& SMS over SGs TECHNICAL REQUIREMENTS FOR INTERFACES - 4G ROAMING SCENARIOS General requirements for inter-PLMN interfaces Stream Control Transmission Protocol (SCTP) IAMETER S8 Interface 1. SGW selection 2. PGW selection GTP Transport Layer engineering S9 interface 1. Implementation requirements 2. Guidelines for DIAMETER over S9 S6a & S6d interface Gy interface 1. Guidelines for DIAMETER over Gy Legacy interworking scenarios 1. VPLMN has not implemented LTE 2. HPLMN has not implemented LTE Co-existence scenarios 1. Possible scenarios 1. 2G/3G roaming agreement only 2. 2G/3G LTE roaming agreement 3. LTE roaming registrations Consequences of different APN approaches when roaming 1. Guidance regarding the APN approach when roaming Inter-RAT handover 1. Handover & access restrictions to/from 2G/3G & LTE (Active mode) 2. Access restriction for 2G/3G and/or LTE (Idle mode) 3. Handover of PDN Connections between GERAN/UTRAN & LTE Handover to/from non-3GPP accesses & LTE Bandwidth considerations ARP considerations at handover from LTE to 2G/3G TECH REQUIREMENTS & RECOMMENDATIONS FOR SERVICES SMS 1. SMS over SGs Voice 1. CSFB 2. Roaming retry for CSFB 3. Roaming Forwarding for CSFB 4. Coexistence of Roaming Forwarding & Roaming Retry 5. Recommended procedures IMS Voice Roaming Architecture OTHER TECHNICAL REQUIREMENTS & RECOMMENDATIONS Access Control Addressing APN for IMS based services 1. IMS Well Known APN APN for Home Operator Services 1. Gateway Selection 2. Inter-PLMN roaming handover 3. Data off related functionality Emergency Services 1. Emergency PDN connectivity Emergency Call indicator Security 1. GTP Security 2. DIAMETER Security DIAMTER Roaming hubbing Default APN E-UTRA NR Dual Connectivity with EPC 1. GW Selection for E-UTRA-NR Dual Connectivity TAC/LAC Restriction Guidelines TECHNICAL REQUIREMENTS FOR QOS SUPPORT QoS parameters definition QoS Management in the Home Routed architecture QoS control for IMS APN in the S8HR architecture Support of QoS in GRX/IPX QoS Control in Local Breakout architecture TECHNICAL REQUIREMENTS & RECOMMENDATIONS FOR INTERFACES - 5G SCENARIOS 1. General requirements for inter-PLMN interfaces 2. Transport protocol - TCP/IP 3. Serialisation protocol - JSON 4. Interface Definition language - OpenAPI 5. Application Protocol - HTTP2 Inter-PLMN (N32) Interface 1. N32c 2. N32f 3. ALS & IPX HTTP Proxy SMF & UPF in HPLMN & VPLMN Requirements related to Service Based Architecture Naming, addressing & routing for 5G SA roaming 1. SEPP load distribution 2. SEPP administration, naming convention & routing 3. SEPP HTTP redirections TECHNICAL REQUIREMENTS & RECOMMENDATIONS FOR INTERWORKING & COEXISTENCE WITH E-UTRAN & EPC Interworking scenarios Coexistence scenarios Inter-RAT Handover Handover & Access restriction between 5GC & EPC TECHNICAL REQUIREMENTS & RECOMMENDATIONS FOR SERVICES Network slicing Voice, Video & Messaging Location support UE Route Selection Policy OTHER TECHNICAL REQUIREMENTS & RECOMMENDATIONS Access control IP Addressing DNN for IMS based services Emergency PDU Session Emergency Services Fallback Security Steering of Roaming in 5GS TECHNICAL REQUIREMENTS FOR QOS SUPPORT 5G QoS model 5G QoS profile QoS Control

SMTP TRAINING COURSE DESCRIPTION A hands on course focusing on the workings of email systems and the standard protocols that they use. The course is not specific to any particular implementation, but some vendor specifics are noted. Linux and Microsoft machines are used in hands on sessions to reinforce the theory of major sessions. The course concentrates on troubleshooting and interworking using network sniffing and protocol inspection rather than "which buttons to push". WHAT WILL YOU LEARN * Describe and explain SMTP MIME POP3 IMAP PGP, GPG, S/MIME SPF, DKIM, DMARC * Configure mail routing * Secure email systems SMTP TRAINING COURSE DETAILS * Who will benefit: Technical staff responsible for email systems. * Prerequisites: TCP/IP foundation for engineers. * Duration 3 days SMTP TRAINING COURSE CONTENTS * SMTP architecture What is SMTP, email before SMTP, SMTP history, the different protocols, clients, servers. Email composition, transmission, delivering emails, storing and reading emails. MUAs, MTAs, POP3, IMAP, SMTP, DNS, webmail. Hands on Setting up MTAs and MUAs and sending a simple email using telnet. * The SMTP protocol SMTP protocol stack, SMTP headers, HELO, SMTP mail, MAIL FROM, RCPT TO, DATA, SMTPUTF8, 8BITMIME, TURN, EHLO, ETRN, 3 digit replies. Hands on Analysing SMTP packets on a network. * DNS and SMTP SMTP forwarding, SMTP relays, interoperation, how SMTP uses DNS, MX records. Hands on Setting up mail relays. * SMTP headers IMF data, From, to, cc, bcc, sender and recipient headers, message Ids, received trails, in-reply-to, received-SPF, mail list headers. Hands on Using clients to analyse details from mail headers, including true originators and path of emails. * MIME Email attachments, MIME versions, content type headers, encoding, base 64, binary data, multi part headers, troubleshooting attachments. Hands on Analysing MIME headers and attachments. * POP3 What is POP3, where to use POP3, authorisation, transactions, POP3 commands: USER, PASS, STAT, LIST, RETR, DELE. Hands on Setting up a POP3 server, analysing POP3 packets on a network. * IMAP and IMAPS What is IMAP, where to use IMAP, authorisation, mailbox structure, IMAP commands: LOGIN, AUTHENTICATE, LIST, CREATE, Examine (message flags), SELECT, STORE. Hands on Setting up an IMAP server and analysing IMAP packets on a network. * Interoperation Mail gateways, addressing, Exchange, sendmail. * Email security Basics, Transport level: STARTTLS. Content: PGP/GPG, mail signing and encryption, S/MIME, digital certificates, secure email submission. Hands on Setting up and using a PGP key, configure MTAs to use TLS. * Email authentication and spam prevention Mail relays, grey listing, block list & RBL, DNSBL (Real-time Black hole List), White list, SPF, Domain Keys Identified Mail (DKIM), Author Domain Signing Practices (ADSP), Abuse Report Format (ARF), Domain-based Message Authentication, Reporting and Conformance (DMARC). Hands on Relay spamming and the blocking spamming.