340 Computing & IT courses in Leicester

Signalling training course description An intensive course that defines and explores the signalling methods that are to be found in today's telecommunications services. What will you learn Describe the Functionality and Features of Signalling. Describe the Functionality of Analogue & Digital Subscriber Signalling. Describe the various types of signalling used on different network types. Describe the Functionality of Private Network Signalling. Describe the Functionality of Public Network Signalling. Signalling training course details Who will benefit: Personnel involved with systems design, implementation and support. Prerequisites: Telecommunications Introduction Duration 2 days Signalling training course contents Introduction What is Signalling?, Standards, ITU-T Recommendations, Signalling Categories - Supervisory Addressing, E.164, Call Information, Network Management, Network Components, Inband/Outband Switch Signalling, Analogue Vs Digital Signalling. Analogue Subscriber Signalling Analogue Local Loops/Switches/Trunks, Digital Switches/Local Loops, Telephone Handset, Accessing the Local Exchange, Pulse/Tone Dialling. Digital Subscriber Signalling Integrated Digital Access, DASS2 & DPNSS, DASS2 - Call, IMUX, Euro ISDN, Q.931 Call Control, Message Identification, Message Types, Call Establishment Messages, Call Clearing. Network Types Service Types, Circuit Switched, Packet Switched, Signalling Terminology, In-Channel Signalling, G.704, Performance and Quality, Digital Signalling, CAS, CAS Applications, Foreign Exchange, CCS, Break-In/Out Private Network Signalling Types Networking PABXs, Inter PABX Analogue Signalling Methods, E & M, Tone-On-Idle, Inter PABX Digital Signalling Methods, DPNSS, DPNSS Deployment, PABX Support for DPNSS, DPNSS Call, Q.Sig, Q.Sig support/functionality/protocol, Message Overview, Call Establishment. Public Network Signalling SS7, SS7 Operations, SS7 Topology, SSP, STP, SCP, Database Types - CMSDB NP LIDB HLR VLR, Signalling Modes, Link Types, Further Redundancy, Linksets, SS7 addressing, Point Codes, Sub-System, Global Title Addressing and Translation, ANSI PCs, ITU-T PCs, SS7 Protocol Stack, MTP Level 1, MTP Level 2, Flow Control, FISU, LSSU, MSU, MSU SIF, MTP Level 3, SCCP, TCAP, TUP, Facility Format, Main Facilities, Flow Control Negotiation, Closed User Groups, Reverse Charging, Fast Select Facility, Throughput Class Negotiation, Call Barring, On-Line Facility Registration. BTUP, ISDN ISUP, Supplementary Services, ISUP Call - IAM, Progress/Answer/Suspend/ Resume/Release Messages, Intelligent Network (IN) Introduction, IN Evolution, IN Conceptual Model, IN Target Services & Service Features, Service Independent Building Blocks

NFV training course description Network Functions Virtualization (NFV) brings many benefits, this training course cuts through the hype and looks at the technology, architecture and products available for NFV. What will you learn Explain how NFV works. Describe the architecture of NFV. Explain the relationship between NFV and SDN. Recognise the impact NFV will have on existing networks. NFV training course details Who will benefit: Anyone wishing to know more about NFV. Prerequisites: Introduction to Virtualization. Duration 2 days NFV training course content Introduction What is NfV? What are network Functions? NfV benefits, NfV market drivers. ETSI NfV framework. Virtualization review Server, storage and network virtualization and NfV. Virtual machines, containers and docker. Data centres, clouds, SaaS, IaaS, PaaS. Virtualization of Network Functions Network virtualization versus Network Function virtualization. ETSI NfV architecture ETSI documents, Architecture overview, compute domain, hypervisor domain, infrastructure network domain. IETF and NfV Creating services, Service Functions, Service Function Chaining. SPRING and source packet routing. YANG and NetConf. RESTCONF. VLANs, VPNs, VXLAN. MANO Management and Orchestration. OpenStack, OpenDaylight PaaS and NfV. The VNF domain. Service graphs, MANO descriptors, Open orchestration. The virtualization layer VM centric model, containers versus hypervisors, FD.io. Summary Deploying NfV, performance, testing. Futures.

Essential SDN training course description Software Defined Networking (SDN) has become one of the industries most talked technologies. This training course cuts through the hype and looks at the technology, architecture and products available for SDN along with looking at the impact it may have on your network. What will you learn Explain how SDN works. Describe the architecture of SDN. Explain the relationship between SDN and OpenFlow. Recognise the impact SDN will have on existing networks. Essential SDN training course details Who will benefit: Anyone wishing to know more about SDN. Prerequisites: None. Duration 2 days Essential SDN training course contents Introduction What is SDN? What is OpenFlow? SDN benefits. The SDN stack and architecture. SDN architecture SDN applications, SDN switches, SDN controllers, Network Operating Systems. Control plane, data plane. Control to Data Plane Interface (CDPI), Northbound interfaces. SDN components, control and data plane abstractions. Network Operating Systems Finding the topology, Global view, control program, configuration based on views, graph algorithm. OpenFlow Just one part of SDN. Open Networking Foundation, OpenFlow ports, Flow tables, OpenFlow Channels. The OpenFlow protocol, OpenFlow header, OpenFlow operations. OpenFlow versus OpFlex. SDN and open source OpenDaylight, OpenVSwitch, Open Networking Forum, Open Network Operating System. OpenStack Neutron. SDN implications Separation of control and data plane, NOS running on servers, Emphasis on edge complexity, core simplicity, OpenvSwitch, Incremental migration, importance of software. SDN vs NVF.

Intro to containers training course description This course looks at the technologies of containers and microservices. The course starts with a look at what containers are, moving onto working with containers. Networking containers and container orchestration is then studied. The course finishes with monitoring containers with Prometheus and other systems. Hands on sessions are used to reinforce the theory rather than teach specific products, although Docker and Kubernetes are used. What will you learn Use containers. Build containers. Orchestrate containers. Evaluate container technologies. Intro to containers training course details Who will benefit: Those wishing to work with containers. Prerequisites: Introduction to virtualization. Duration 2 days Intro to containers training course contents What are containers? Virtualization, VMs, What are containers? What are microservices? Machine containers, application containers. Benefits. Container runtime tools Docker, LXC, Windows containers. Architecture, components. Hands on Installing Docker client and server. Working with containers Docker workflow, Docker images, Docker containers, Dockerfile, Building, running, storing images. Creating containers. Starting, stopping and controlling containers. Public repositories, private registries. Hands on Exploring containers. Microservices What are microservices? Modular architecture, IPC. Hands on Persistence and containers. Networking containers Linking, no networking, host, bridge. The container Network Interface. Hands on Container networking Container orchestration engines Docker swarm: Nodes, services, tasks. Apache Mesos: Mesos master, agents, frameworks. Kubernetes: Kubectl, master node, worker nodes. Openstack: Architecture, containers in OpenStack. Amazon ECS: Architecture, how it works. Hands on Setup and access a Kubernetes cluster. Managing containers Monitoring, logging, collecting metrics, cluster monitoring tools: Heapster. Hands on Using Prometheus with Kubernetes.

Transmission demystified training course description Transmission is the process of sending information along a medium of, copper, fibre or wireless. This course looks at transmission techniques for both telecommunications and data communications with a particular focus on Microwave, SDH, DWDM transmission. The course aims to demystify these technologies by explaining all the buzzwords used in transmission. What will you learn Describe various transmission technologies such as multiplexing and demultiplexing. Explain how Microwave works. Explain how SDH works. Explain how DWDM works. Transmission demystified training course details Who will benefit: Anyone working in telecommunications. Prerequisites: None. Duration 2 days Transmission demystified training course contents Transmission basics Systems, media, signals. Signal degradation, noise, distortion, attenuation. Digital, analogue. Modulation, encoding. RF Frequency, wavelength. Distance / range issues, interference, Antenna, power, dB, RF propagation, testing. Microwave transmission What is microwave transmission, point to point communications, line of sight, parabolic antenna, relays, planning considerations, rain and other issues Wired transmissions Copper, Fibre, 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. Introduction to SDH Timing and synchronisation of digital signals, the plesiochronous digital hierarchy (PDH), the synchronous digital hierarchy (SDH), service protection with SDH. TDM. SDH6 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. WDM overview Multiplexing, TDM, WDM benefits. WDM standards. CWDM vs. DWDM. Four Wave Mixing (FWM). Impact and countermeasures to FWM on WDM.tructure of SDH equipment, SDH synchronisation, protection switching in SDH networks, SDH alarm structure, testing of SDH, equipment and systems, Ethernet over SDH. 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. IP transmission Telecommunications versus data communications, IP transmission, VoIP, MPLS.

WiMax training course description Broadband wireless access is an emerging technology area. This course looks at WiMAX, where it can be used, how it works and the alternative technologies. What will you learn Describe WiMAX. Explain how WiMAX works. Compare and contrast WiMAX with alternative broadband wireless access technologies. WiMax training course details Who will benefit: Anyone wishing to know more about WiMAX. Prerequisites: None. Duration 2 days WiMax training course contents Introduction What is WiMAX? WiMAX applications, The Internet, Internet access choices, wireless broadband access, WiMAX benefits. WiMAX overview Spectrums, LOS vs. non-LOS, bit rates, modulation, mobility, channel bandwidth, cell radius. WiMAX standards The WiMAX forum, IEEE, ETSI, HIPERACCESS, HIPERMAN, 802.16, 802.16-2004, 802.16a, 802.16e, 802.16f. WiMAX architecture Subscriber Stations (SS), Indoors, outdoors, antennas, Radio Base Stations (BS), LOS, Non LOS BackHaul, Point to multipoint, mesh support. Physical layer 10 - 66GHz, TDMA, TDD, FDD, 2 -11 GHz, SC2, OFDM, OFDMA, QPSK, QAM, Radio Link Control (RLC), uplink, downlink. MAC layer Traffic types (continuous, bursty), QoS, service types. MAC operations, connection oriented, frame structure, addressing. Convergence sublayers, service specific, common part, profiles (IP, ATM). Bandwidth request-grant, ARQ, Management messages. Security MAC privacy sublayer, network access authentication, AAA, 802.1x, key exchange and privacy. WiMAX alternatives WiMAX vs. 3G, WiMAX vs. 802.20.

Securing Kubernetes training course description This course introduces concepts, procedures, and best practices to harden Kubernetes based systems and container-based applications against security threats. It deals with the main areas of cloud-native security: Kubernetes cluster setup, Kubernetes cluster hardening, hardening the underlying operating system and networks, minimizing microservices vulnerabilities, obtaining supply chain security as well as monitoring, logging, and runtime security. What will you learn Harden Kubernetes systems and clusters. Harden containers. Configure and use Kubernetes audit logs. Securing Kubernetes training course details Who will benefit: Technical staff working with Kubernetes Prerequisites: Kubernetes_for_engineers_course.htm Definitive Docker for engineers Duration 2 days Securing Kubernetes training course contents This course does not only deal with the daily security administration of Kubernetes-based systems but also prepares delegates for the official Certified Kubernetes Security Specialist (CKS) exams of the Cloud Native Computing Foundation (CNCF). Structure: 50% theory 50% hands on lab exercise Module 1: User and authorization management Users and service accounts in Kubernetes Authenticating users Managing authorizations with RBAC Module 2: Supply chain security Vulnerabilit checking for images Image validation in Kubernetes Reducing image footprint Secure image registries Module 3: Validating cluster setup and penetration testing Use CIS benchmark to review the security configuration of Kubernetes components. Modify the cluster components' configuration to match the CIS Benchmark. Penetration testing Kubernetes for known vulnerabilities. Module 4: System hardening Use kernel hardening tools Setup appropriate OS level security domains Container runtime sandboxes Limit network access Module 5: Monitoring and logging Configure Kubernetes audit logs Configure Audit Policies Monitor applications behaviour with Falco

SS7 training course description An Introduction to Signalling System No 7. Covering the terminology, technology and topology of the Core Signalling System. What will you learn Describe the evolution of SS7. Identify the component parts of SS7. Describe the basic method of operation of SS7. Describe a basic call set-up and clear within SS7. SS7 training course details Who will benefit: Network/Systems engineers Operators/Planners. Prerequisites: Telecommunications Introduction Duration 2 days SS7 training course contents Introduction Digital Signalling, CAS, CAS Applications, CCS, Layer 1, Layer 2 (HDLC), Layer 3, Evolution of SS7, Common SS7 functions. Physical Functionality SS7 Topology, Service Switching Point (SSP), Signalling Transfer Point (STP), Service Control Point (SCP), Database Types, CMSDB, NP, LIDB, HLR, VLR, Signalling Modes, Link Types, Further Redundancy, Linksets, Signalling Routes. Addressing Addressing in SS7, E.164, ANSI PCs, ITU-T (CCITT) PCs, Connecting Networks (ISPs/NSPs). Message Transfer Part SS7 Protocol Stack, MTP Level 1, MTP Level 2, Signalling Units, Flow Control, Fill In Signalling Unit (FISU), Link Status Signalling Unit (LSSU), Message Signalling Unit (MSU), MTP Level 3. Application and User Parts Signalling Connection Control Part (SCCP), Transaction Capabilities Application Part (TCAP), Telephone User Part, BTUP, ISDN User Part (ISUP), ISUP - Supplementary Services, ISUP - Call, Call Set-up over SS7. The Intelligent Network Function of IN, Evolution of IN, Conceptual Model, Target Services and Service Features, Independent Building Blocks.

Advanced DNS training course description This two-day hands on DNS training course studies both the UNIX BIND and the Microsoft (MS DNS) implementations. The course follows on from our Definitive DNS for engineers course starting with best practices. The majority of the course is spent on securing DNS and in particular DNSSEC. Some parts are specific to BIND. Students choose whether to use Windows or UNIX for the hands on sessions. What will you learn Implement DNS best practices. Harden DNS servers. Install, configure, maintain and troubleshoot DNSSEC. Advanced DNS training course details Who will benefit: Technical staff wanting to learn DNS including: Network personnel. System administrators. Prerequisites: Total DNS for engineers Duration 2 days Advanced DNS training course contents Best practices MX and PTR records, lame delegations, disallowing recursion, TTLs, online testing. Hands on Review of your DNS servers. Split DNS Partitioning internal and external DNS, views. Hands on Implementing split DNS. Hardening DNS ACLs, recursion, queries, trusted sources, chroot jail, secure BIND template. Hands on Securing the DNS server. DNSSEC What is DNSSEC? DNSSEC benefits, DNSSEC RRs. DNSKEY, RRSIG, NSEC, DS. Hands on Creating DNSSEC keys. Securing zone transfers TSIG, shared secret. Securing DDNS. Hands on Secure file transfers. Zone integrity Trusted anchors, Chains of trust, Zone status, Zone signing, Keys. ZSK, KSK, adding keys to a zone file. Secure delegations. Hands on Zone signing Maintaining Signed zones Key rollover, pre publish, double signing, rollover cache.

SIP in IMS training course description The IP Multimedia Core Network Subsystem (IMS) is defined by 3GPP as a new mobile infrastructure. This advanced course looks at the use of SIP in the IMS. What will you learn Describe the role of SIP in the IMS. Explain how SIP works in the IMS Describe the SIP architecture in the IMS. Explain how SIP and SDP are used in basic IMS procedures. SIP in IMS training course details Who will benefit: Technical telecommunications staff. Prerequisites: SIP for engineers. Duration 2 days SIP in IMS training course contents Introduction SIP review, SIP elements, Simple SIP call flow, What is IMS? Why IMS? Why SIP in the IMS? SIP and IMS relationship. Standards 3GPP, IETF, 3GPPr5, 3GPPr6, 3GPP SIP extensions. SIP and IMS IMS architecture, SIP interfaces. Server functions Registration, home and away, location and directory services, stateful and stateless servers. SIP servers P-CSCF, I-CSCF, S-CSCF, PSTN gateways SIP registration in the IMS SIP REGISTER, IMS identities, registration process, P-CSCF discovery, S-CSCF assignment, IMS subscriber and IMS registrar signalling flow. IMS routing in the registration process. Re and De-registration. SIP sessions in the IMS SIP INVITE, Establishing IMS SIP sessions, User at home network, user roaming, IMS offer answer architecture, SIP preconditions, QoS, reserving resources, IMS bearer network interactions, IMS subscriber and IMS service signalling flow. Typical call flows. SIP services in the IMS IMS specifications, IMS service procedures, call scenarios, call services. IMS multimedia related procedures. IMS presence, IMS messaging, IMS conferencing, IMS PoC. SIP-T SIP and the PSTN, URIs and ENUM, NAPTR, SRV, ISUP numbers and URI mapping, IAM and INVITE, SIP to PSTN/ISUP mapping, PSTN/ISUP to SIP mapping, PSTN to PSTN over SIP. MIME media types for ISUP, DTMF transmission, CLIP and CLIR in SIP, ring tone, split gateways SIP-I ISO standards, translation versus tunnelling. IMS SIP extensions Security (RFC 3310, 3329), Resource reservation (RFC 3312), Media authorisation (RFC 3313), SigComp (RFC 3320), P Headers (RFC 3325, 3455), Mobile registration (RFC 3327, 3608), Reg event (RFC 3680), Preconditions (RFC 4032) Security IMS security architecture, identities, HTTP digest, TLS. Affect of security on SIP media sessions.