162 Architecture courses in Sheffield

IPSEC TRAINING COURSE DESCRIPTION This hands on course focuses on IPsec VPNs. Rather than focusing on one implementation this course concentrates on the technologies and protocols of IPsec. Starting with an overview of the complete IPsec architecture the course then moves onto ESP packet analysis along with encryption and authentication provided. IKEv1 and IKEv2 are both covered in detail. Having covered IPsec with pre shared keys the course then moves onto IPsec with certificates followed by IPsec issues. The course is vendor neutral with hands on with both Cisco and Microsoft implementations. WHAT WILL YOU LEARN * Explain how IPsec works. * Explain the role of AH, ESP and IKE. * Configure IPsec. * Troubleshoot IPsec. IPSEC TRAINING COURSE DETAILS * Who will benefit: Technical staff working with IPsec. * Prerequisites: Definitive IP VPNs for engineers. * Duration 3 days IPSEC TRAINING COURSE CONTENTS * What is IPsec? How to spell IPsec, IPsec is IP security, confidentiality, integrity, authenticity, replay protection, what is a VPN? Network layer security, IPsec and IPv4, IPsec and IPv6, the suite of protocols, the standard, IPsec RFCs, IPsec history. Hands on Analysis of 'normal' IP packets. * IPsec architecture The IPsec protocols, AH vs ESP, Why two headers? transport mode, tunnel mode, Remote access VPNs, site to site VPNs, security associations, SA database, Security Parameters Index, implementations: Host tack, Bump in the Stack, Bump in the Wire. Hands on Configuring IPsec. * AH What AH does, the stack, The AH header, What is authenticated? Device authentication. AH in transport mode, AH in tunnel mode. Hands on AH packet analysis. * ESP What ESP does, the ESP header, ESP in transport mode, ESP in tunnel mode, ESP and SA, ESP and SPI. Hands on ESP packet analysis, policy configuration. * IPsec encryption IPsec is a framework, standard algorithms, ESP keys, the role of IKE, key lifetimes, how IKE generates the keys, DES, 3DES, AES, cipher block chaining, counter mode, other encryption. Hands on Encryption configuration. * IPsec authentication Authentication types, IPsec authentication, Authentication algorithms: MD5, keyed SHA-1, HMAC-MD5, HMAC-SHA-1, HMAC-RIPEMD, other authentication algorithms. Hands on Authentication configuration. * IKE Internet Key Exchange, IKE and the SAD, the two phase negotiation, ISAKMP, ISAKMP header, pre shared keys, digital signatures, public key encryption, Diffie Hellman, proposals, counter proposals, nonces, identities, phase 1 negotiation: main mode, aggressive mode, base mode. Phase 2 negotiation: quick mode, new group mode. Hands on IKE packet analysis. * More IKE PFS, IKE and dynamic addresses, XAUTH, hybrid authentication, CRACK, ULA, PIC. User level authentication. IKE renegotiation, heartbeats. Hands on Troubleshooting IPsec. * IKEv2 The IKEv2 exchange, IKE_SA_INIT, IKE_AUTH, CREATE_CHILD_SA, IKEv2 packets, the informational exchange. Comparing IKev1 vs IKE v2. Hands on IKEv2 configuration and analysis. * PKI What is PKI?, Digital certificates, Certificate authorities, CA servers, RA, VA, certificates, CA hierarchy, CRLs, certificate formats. Hands on installing and configuring certificate servers. * IPsec issues NAT, IPsec overhead and fragmentation. * Summary IPsec strengths and weaknesses. Where to get further information.

ESSENTIAL OPTICAL TRANSMISSION COURSE DESCRIPTION Transmission is the process of sending information along a medium of, copper, fibre or wireless. This course looks at transmission techniques for fibre networks. The course aims to demystify the technologies involved by explaining all the buzzwords used in optical transmission. WHAT WILL YOU LEARN * Describe various optical transmission technologies. * Explain how SDH and OTN work. * Explain how WDM, CWDM and DWDM work. * Explain PON, GPON and GEPON. ESSENTIAL OPTICAL TRANSMISSION COURSE DETAILS * Who will benefit: Anyone working in telecommunications. * Prerequisites: None. * Duration 2 days ESSENTIAL OPTICAL TRANSMISSION COURSE CONTENTS * Transmission basics nsmission basics Systems, media, signals. Signal degradation, noise, distortion, attenuation. Digital, analogue. Modulation, encoding. * Fibre transmission Fibre vs copper, optical transmission, fibre characteristics, fibre component parts. Multi Mode Fibre (MMF). Single Mode Fibre (SMF). Fibre connections. Lasers. Attenuations, dispersion, optical signal noise ratios (OSNR) and their effects. Channel Spacing and Signal Direction. Limiting factors to single wavelength. * SDH Timing and synchronisation of digital signals, the plesiochronous digital hierarchy (PDH), the synchronous digital hierarchy (SDH), service protection with SDH. TDM. Standards, basic units, frames, STM1 frame, bit rates, STM0, STM1, STM4, STM16, STM64, STM256, SDH architecture, rings, Add drop multiplexors. SDH network topologies, structure of SDH equipment, SDH synchronisation, protection switching in SDH networks, SDH alarm structure, testing of SDH, equipment and systems, Ethernet over SDH. * OTN G.709, OTN interface structure, Optical transport modules, ONNI, OCh, OUT, ODU, OPU. G.709 amendments. * WDM overview Multiplexing, TDM, WDM benefits. WDM standards. CWDM vs. DWDM. Four Wave Mixing (FWM). Impact and countermeasures to FWM on WDM. * DWDM ITU G.694.1, channel and spacing. Optical Terminal Multiplexers (OTM). Optical Add/Drop Multiplexers (OADM). Adding versus dropping. Optical Amplifiers. Erbium Doped Fibre Amplifiers (EDFA). Transponders and Combiners. Optical and Electrical Cross Connects (OXCs/DXCs). Cross Connect types (Transparent/Opaque). Advantages and disadvantages of various Optical cross connects. * FTTx Fibre installation and air blown fibre, FTTH, FTTC, FTTN, FTTD, FFTH topologies and wavelengths, active or passive optical network. * PON variants Gigabit passive optical network (GPON), Gigabit Ethernet passive optical network (GEPON), Time division PON (TDM-PON), XG-PON, Wave Division Multiplexing PON (WDM-PON), 1Gbps, 10Gbps, 40Ggps, 100Gbps FSAN (Full Service Access Network) NGA (Next Generation Access), Strategies for TDM-PON to WDM-PON migration, Architecture of NG-PON (hybrid WDM/TDM PON), Additional services than triple play.

ADVANCED JAVA TRAINING COURSE DESCRIPTION A tour of the more advanced features of Java following on from the Introduction to Java course. JDBC and JavaBeans are covered in separate courses. WHAT WILL YOU LEARN * Use Java to implement OOA/D. * Use within Java programs - Internationalisation - Object serialisation - Reflection - RMI - Swing - JAR files * Write Servlets and Java Server Pages ADVANCED JAVA TRAINING COURSE DETAILS * Who will benefit: Those wishing to program in Java. * Prerequisites: Introduction to Java programming * Duration 5 days ADVANCED JAVA TRAINING COURSE CONTENTS * What you should already know * OO features in Java Static initialisers, object destruction, finalisation, constructor chaining, shadowing, Abstract classes and interfaces, inner classes, nested classes, member classes, local classes, anonymous classes. * Internationalisation Locales, Unicode, local customs, localising messages. * Object Serialisation Simple and custom serialisation, class versioning. * Reflection Obtaining class and member information. * RMI Restrictions, RMI architecture, Stubs, skeletons, rmic, the registry server, The RMI API. * Swing An overview, examples, comparison vs. AWT, data transfer cut & paste. * Servlets Servlet API, Java Web server, The servlet life cycle, chaining servlets, Hybrid servlets. * JAR files and signed applet JAR files and signed applet

NTP AND PTP TRAINING COURSE DESCRIPTION This course looks at timing and synchronization as provided by NTP and PTP. Hands on sessions primarily involve using Wireshark to analyse the protocols. WHAT WILL YOU LEARN * Recognise the importance of timing and synchronisation. * Explain how NTP works. * Explain how PTP works. NTP AND PTP TRAINING COURSE DETAILS * Who will benefit: Anyone using NTP or PTP but particularly relevant for those in the broadcast industry. * Prerequisites: TCP/IP foundation for engineers * Duration 1 day NTP AND PTP TRAINING COURSE CONTENTS * Introduction Clock drift. Timing and synchronization. Importance in computing. Importance in broadcasting. * NTP NTP versions, v0 to v4. Architecture. The intersection algorithm. Accuracy. Clock strata, Stratum 0, 1, 2 and 3. Protocol modes. Hands on NTP configuration * More NTP NTP packet header. Timestamps. Variables in the header. Clock synchronization algorithm. SNTP. The Windows Time service. Hands on Wireshark and NTP analysis. * PTP PTP v2, IEEE 1588. Architecture. Accuracy. Synchronization with PTP. Offset and delay. Hands on Analysing PTP packet flows. * More PTP Ordinary clocks, boundary clocks, masters and grandmasters. PTP specific switch types. Hardware time stamping. SMPTE ST2059-2. PTP packet header. PTP domains. Best master clock algorithm. Hands on More Wireshark and PTP.

DEFINITIVE SALT TRAINING COURSE DESCRIPTION Salt is a remote execution framework and configuration management system. This course covers Salt from the basics. After a quick first taste the course moves onto execution modules, salt states, minion and master data, jinja, Salt extensions and then topology and configuration options. Hands on sessions are used to reinforce the theory rather than teach specific manufacturer equipment. WHAT WILL YOU LEARN * Install and use Salt. * Describe the architecture of Salt. * Manage configurations with Salt. * Extend Salt. DEFINITIVE SALT TRAINING COURSE DETAILS * Who will benefit: Anyone working with Salt. * Prerequisites: Linux fundamentals. * Duration 2 days DEFINITIVE SALT TRAINING COURSE CONTENTS * Introduction What is Salt? High- level architecture, Some quick examples, system management, configuration management, A brief history, Topology options, Extending Salt. * Quick start: First taste of Salt Single-master setup, from packages, bootstrap scripts, Starting up, Basic commands, salt: the main workhorse, salt-key: key management, salt-call: execution on the minion, salt-run: co-ordination of jobs on the master, summary of commands, Key management, viewing keys, accepting keys, rejecting keys, key files, Minion targeting, minion ID, list (-L), glob, regular expressions (-E), grains (-G), compound (-C), targeting summary, Additional remote execution details, Conclusion. * Execution modules: The functional foundation sys: information and documentation about modules, sys.doc basic documentation, sys.list_modules, sys.list_functions: simple listings, cmd: execute via shell, cmd.run: run any command, pkg: manage packages, virtual modules, pkg.lists_pkgs: list all installed packages, pkg.available version: see what version will be installed, pkg.install: install packages, user: manage users, user.add: add users, user.list_users, user info: get user info, saltutil: access various Salt utilities, Summary. * Configuration management: Salt states Salt files overview, SLS example: adding a user, working with the multi-layered state system, Highstate and the top file, the top file, State ordering, require: depend on another state, watch: run based on other changes, odds and ends, Summary. * Minion data / master data Grains are minion data, performing basic grain operations, setting grains, targeting with grains in the top file, Pillars are data from the master, querying pillar data, querying other sources with external pillars, Renderers give data options. * Extending Salt: part I Introduction to Jinja, Jinja basics, Templating with Jinja, filtering by grains, Custom execution module, Custom state modules, Custom grains, External pillars, Summary. * More on the matter Runners, manage minions, manage jobs, The orchestrate runner, The event system, The reactor system, Summary. * Extending Salt: part II Python client API, reading configuration data on a master and minion, using the master client (localclient) API, Using the caller client API, Custom runners, writing a custom runner, using the runnerclient API, Summary. * Topology and configuration options Master configuration, directories and files, logging, access control, files server options, Topology variations, masterless minions, peer systems, syndication masters, multiple masters. * Brief introduction to salt-cloud Overview, Setup AWS and salt-cloud, installing salt-cloud, cloud providers, cloud profiles, cloud maps, Introspection via salt cloud, Creating infrastructure, More information. * Using vagrant to run Salt examples YAML.

TELECOMMS TRAINING COURSE DESCRIPTION A comprehensive tour of the telecommunications technologies and terminology currently in use, and under development. WHAT WILL YOU LEARN * List and describe components of the PSTN. * Explain how calls are made over the PSTN * Compare analog and digital transmission methods. * Describe the technologies within the transport plane. * Recognise the benefits of extra features available in today's telephone networks. TELECOMMS TRAINING COURSE DETAILS * Who will benefit: Anyone new to the Telecommunications industry. * Prerequisites: None. * Duration 2 days TELECOMMS TRAINING COURSE CONTENTS * Telephone network architecture Handsets, local loop, distribution points, Local exchanges, main telephone switches, PBXs. * Making a call - some basics Telephone call components, how a telephone call works, accessing the local exchange, loop disconnect, DTMF, standards, E.164, PSTN routing, Intelligent Networks, Special Rate Services. * Analogue vs Digital Voice characteristics, PSTN bandwidth, analogue signalling, Digital encoding, PCM and the 64k, ADPCM and other voice compression methods. * PBXs PABX, Call processing, networking PBXs, PBX facilities, bandwidth, blocking probability and Erlangs, Erlang models, using Erlang tables. * Transmission methods Two wire transmission, 64k circuits, Nx64, E1, 2 wire to 4 wire conversion, echo, echo suppression, echo cancellers, twisted pair, coax, fibre optic, power lines, satellite systems, microwave. * Signalling Analogue signalling, loop start, earth calling, E&M, AC15. Digital signalling -CAS, robbed bits and E1 slot 16 signalling. Digital signalling CCS, Q.931, SS7, Q.SIG, DPNSS, DASS2. * Transport planes PDH, PDH issues, SDH, SDH architecture, SDH standards, SDH bit rates, SDH mulitplexors, DWDM. * Networks Circuit Switched Networks, TDM, Packet Switched Networks, Frame Relay, Message Switching, Circuit Switching, STDM, Cell Switching, ATM, ATM cells, ATM traffic parameters, ATM QoS, MPLS. * Other network access Modems, modulation, speeds, ISDN, BRI, PRI, xDSL, SDSL, ADSL. * Other Services Centrex, VPNs, FeatureNet, CTI, Call Processing Systems, Voice Mail, Automated Attendant Systems, Interactive Voice Response, Call Management Systems, Call Conferencing, Star Services. * Mobile communications 3 types of wireless telephone, mobile generations, base stations, cells, GSM, GPRS, 3G, UMTS, WCDMA, 4G, LTE. * VoIP overview What is VoIP, VoIP benefits, What is IP? The IP header, Packetising voice, VoIP addressing, H.323, SIP, RTP. Bandwidth requirements.

ADVANCED RF TRAINING COURSE DESCRIPTION This course provides a follow on to our popular RF fundamentals course for those that need to know more. WHAT WILL YOU LEARN * Explain RF propagation * Describe the importance of transmission lines in RF systems. * Recognise the issues in RF systems. * Describe transmission measurements. ADVANCED RF TRAINING COURSE DETAILS * Who will benefit: Those working with RF systems. * Prerequisites: RF fundamentals. * Duration 3 days ADVANCED RF TRAINING COURSE CONTENTS * RF propagation The Electromagnetic Spectrum, Electromagnetic Radiation, Spherical Wave Front, The Space Wave, Receive Antenna below the Horizon, Bending the Space Wave , Surface Wave Path, Tilting of Surface Wave, Conductivity, Layers of the Atmosphere, Variations of the Ionosphere, Variations caused by Solar Activity, Multi Hop Transmission, Classification of Radio Waves, Fading, Fading Reduction, Free Space Path Loss, Shadowing of Radio Wave, Signal Levels after Shadowing, Radio Waves as Wavelets, Fresnel Zone. * Transmission Lines Transmission Line Construction, Primary Line Constants, 'T' Networks, Input Impedence, Lossless Unbalanced Line, Standing Waves, Open Circuit / Short Circuit Termination, Short Circuit Standing Waves, Open Circuit Standing Waves, Voltage Standing Wave Pattern, Short Circuit Termination, Open Circuit Termination, The Directional Coupler, Effect of E and M Coupling, Practical Reflectometer. * Antenna Theory The Open Circuit Line, Dipole V/I Distribution, Polar Diagram, Power Pattern ½ Wave Dipole, Half Wave Dipole, Vehicle Mount, Centre Fed Whip Antenna, Antenna Beamwidth, The Yagi Array, Uda Yagi array, Antenna Characteristics, 6 Element Yagi Polar Diagram, Log Periodic Antenna, Helical Antenna. Microwave Dish Array, Typical Microwave Dish Antenna. * Transmission Measurements Transmission Measurements, Effective Isotropic Radiated Power, Fade Margin. * Noise Noise in Communications, Noise Voltage Equivalent Circuit. * Satellite Communications Satellite Communications, Large Earth Station, The Satellite Payload, Geo Stationary Orbit, Basic Orbits, VSAT Terminal, Iridium Phone, The Space Segment, Satellite Footprint, Typical System Hardware. * Mobile Communications Mobile Evolution, The Path to UMTS, Technologies Bit Rate and Mobility, Systems and Specifications, Wireless Networks, Diffraction, Multi Path Propagation, Loss Models, GSM Architecture, OSI Model - GSM, OSI Reference Model, OSI Layers.

SATELLITE COMMUNICATIONS TRAINING COURSE DESCRIPTION This course starts by recaping some of the essential satellite knowledge required and proceeds to explore the deeper aspects of satellite communications, including hardware, communications and error control coding. WHAT WILL YOU LEARN * Explain how satellite communications work. * Explain how RF works * Explain the architecture of satellite systems. * Use spectrum analysers. SATELLITE COMMUNICATIONS TRAINING COURSE DETAILS * Who will benefit: Anyone working with satellite systems. * Prerequisites: None. * Duration 3 days SATELLITE COMMUNICATIONS TRAINING COURSE CONTENTS * Basic Principles of Satellite Communications GEO, MEO and LEO satellites. Launching and orbits. Frequency bands and polarisation. Satellite footprints. Multibeam coverage. Power spectra. Link budgets. Modulation and coding. Access technologies. Earth station components. Space segment components. Satellite system services. Satellite operators. * Radio frequency propagation Electromagnetic waves principles and generation. Reception of the EM wave. Space wave, sky wave and surface wave theory. The isotropic radiator. Types of antennae and their basic properties. Polar diagrams. International frequency allocation. Spectrum management and utilisation. Radio wave propagation. Line of sight propagation. Propagation for satellite comms. Free space path loss. Path attenuation. Noise and Interference. Power and its measurement. * Satellite antennae and other hardware Power flux density. Effective aperture. Horn antennae. Parabolic reflector. Offset feed. Cassegrain and Gregorian antennae. Antenna feed systems - Horn, TMC, OMJ and polarizer. Antenna steering and mount systems. Array antennae. LNA, LNB, LNC. Microwave tubes - TWT and Klystron. Polarizers. * Earth and Space Segments and the link Earth station antennae. Transponders. Antennae sub systems. Power supplies. Link budgets. System noise. System losses. Interference. Satellite switching. * Ground Communications Equipment Baseband signals. Analogue and Digital systems. Overview of modulation - AM, FM, PM. Digital Modulation. Frequency conversion -up and down conversion. Filters, mixers, local oscillators, IF amplifiers and group delay equalisers. Access methods - single and multiple access systems. Data networks. Television transmission - analogue and digital. Digital signal compression. MPEG processing. * Satellite Navigation Longitude, latitude, altitude, GPS, How GPS works, timing, alternatives to GPS. * Mobile satellite services Voice and Phones, BGAN, TV, GPS to program aerial, VSAT. * Error Control Coding The need for coding. Linear block codes. Cyclic codes. Convolution codes. Interleaving and concatenated codes. Coding gain. Turbo codes. * Test and measurement Theory and practice of Spectrum Analysers.

KAMAILIO TRAINING COURSE DESCRIPTION Kamailio (formerly known as OpenSER) provides a scalable SIP server suitable for small through to carrier grade installations. This course will teach you how to install, configure and troubleshoot the Kamailio product. WHAT WILL YOU LEARN * Install Kamailio. * Control Kamailio. * Configure Kamailio. * Troubleshoot Kamailio. KAMAILIO TRAINING COURSE DETAILS * Who will benefit: Technical staff working with Kamailio. * Prerequisites: Definitive SIP for engineers. UNIX fundamentals. * Duration 3 days KAMAILIO TRAINING COURSE CONTENTS * What is Kamailio? What is SER? SER history, OpenSER, versions. Kamailio. Supported platforms, SIP review. Hands on Simple SIP telephony without a SIP server. * Installing Kamailio Downloading Kamailio, Installation from source, package installation, CVS, default passwords Hands on Kamailio installation. * Controlling Kamailio Starting, stopping and controlling Kamailio. Starting Kamailio automatically at boot time. Hands on Controlling the server * First configuration Basic configuration. Hands on SIP telephony with Kamailio. * Monitoring Logs, xlog, openserctl, syslog. Hands on Logging. * Kamailio architecture Kamailio core, Kamailio modules, file locations, persistent data storage, database structure. Hands on Database integration. * Core configuration Keywords, values, parameters, functions, routing blocks, constructs. Hands on Advanced Kamailio configuration. * Module configuration Overview of modules available, AAA integration, least cost routing. Redirects Hands on Configuring modules. * Architectures DNS integration, peering, OSP, NAT traversal, SIP to GSM. Hands on peering. * Asterisk integration Altering tables to work with Asterisk, Asterisk as a voicemail system. Design issues, High availability. Hands on Integrating Kamailio with Asterisk.

VOIP AND IP TELEPHONY TRAINING COURSE DESCRIPTION A concise overview course for management covering voice communications using IP networks. The course focuses on how VoIP works at a simplified level enabling delegates to recognise the key decisions to be made when implementing VoIP. WHAT WILL YOU LEARN * Describe the key buzzwords used in the VoIP arena. * Explain how VoIP and IPT work (at a simplified level). * Describe the issues of providing a converged architecture. * Recognise the key decisions to be made when implementing VoIP VOIP AND IP TELEPHONY TRAINING COURSE DETAILS * Who will benefit: Anyone, although the course is particularly aimed at non-technical personnel needing some knowledge of VoIP. * Prerequisites: Network fundamentals * Duration 1 day VOIP AND IP TELEPHONY TRAINING COURSE CONTENTS * Introduction What is VoIP, brief review of IP, brief review of telephones, voice and signalling. * VoIP issues Bandwidth, Delay, Jitter. Voice coding and compression, packetising voice, comparison of techniques, MOS.IP performance and QoS. The need for QoS, prioritising voice. * Architectures Hard phones, soft phones, video phones, desktop, backbone, gateway, integrating analog phones and PCs, carriers, Softswitches. * VoIP protocol stack RTP, RTCP. H.323 vs SIP, other signalling protocols. * H.323 Architecture, Call setup, Gatekeepers. * SIP Comparison with H.323, SIP proxy, proxy servers, redirect servers, location servers. * MGCP and MegaCo Carrier networks, PSTN breakout, SS7 gateways, MGCP, Megaco. * IP PBXs Integrating IP into 'normal' PBXs, IP PBXs, Asterisk. UM, other telephony applications.