Shows / Deep End Era. Engineering with Sankalp
Deep End Era. Engineering with Sankalp
Long-form engineering, computing and mathematics. Created by Sankalp Thakur. A Transient Labs production. Website: https://transientlabs.ai/the-deep-end GitHub: https://github.com/sankalpsthakur X: https://x.com/sankalpsthakur LinkedIn: https://www.linkedin.com/in/sankalpthakur/ Hugging Face: https://huggingface.co/sankalpsthakur Scripts: Claude Opus. Synthetic narration: Edge TTS (episodes 1–96) and Kokoro, credited per episode. Reviewed, listened to and approved by Sankalp Thakur.
Episodes
Deep End Era. Engineering with SankalpNetwork Security and the State of the Art: Defence in Depth to Zero Trust, SDN, SD-WAN and SASE
At twenty past two, Callum Reyes sees twelve stadium cameras phoning home to addresses they should never reach. Twenty-two minutes later the beacons are dark…
Deep End Era. Engineering with SankalpCellular and Mobile Communication Systems: From AMPS to 6G, O-RAN and Satellites
A forty-tonne straddle carrier waits for a radio link as reliable as a cable. Owen Maguire's private 5G at the Abu Dhabi port is the through-line for a tour of…
Deep End Era. Engineering with SankalpBreaking and Securing Wi-Fi: Wireless Security, Its Issues and the Features of a Secure WLAN
A portable access point in a hospital lobby broadcasts the guest network name. Seven phones join before lunch. Twenty-one years after a car-park WEP crack cost…
Deep End Era. Engineering with SankalpWi-Fi from 802.11 to Wi-Fi 8, and the Architecture of a Wireless Network
Eleven weeks before a cup final, wireless lead Fatima Zahra Benali is lying under a stadium seat, explaining to Arjun why a hundred and forty access points on…
Deep End Era. Engineering with SankalpRadio Is Hard: Wireless Communication Technologies and the Challenges They Fight
Every match day, three hours of perfect radio coverage at an Abu Dhabi stadium collapse the moment the gates open. The previous integrator blamed a phantom…
Deep End Era. Engineering with SankalpCisco Systems and the Certification Ladder: IOS, IP Services, Automation and the 200-301 Blueprint
Forty new switches, one text-file template, and an exam on Thursday. By Sunday evening Arjun has pasted eleven configurations and made two typos. Mei shows him…
Deep End Era. Engineering with SankalpSwitching and Routing: The CCNA Core
A ward clerk tidies a loose cable and creates a loop on the hospital's fourth floor. In 2002 the same kind of fault, on a far bigger and messier network, left…
Deep End Era. Engineering with SankalpThe Metal: Wired Network Components and Network Hardware Architecture
At 4:11 on a Tuesday afternoon six cranes at the port stop mid-lift. Six fibre links went dark at the same moment. Field technician Yousef Karam has an OTDR, a…
Deep End Era. Engineering with SankalpHow a Packet Crosses the World: TCP/IP and the Core Protocols
At 2:20 in the morning a stroke patient's CT scan has to reach a radiologist in Mumbai, and the transfer is crawling. The first images arrive, then almost…
Deep End Era. Engineering with SankalpBits on a Wire and in the Air: Communication Systems from First Principles
A broadcast truck at a 45,000-seat stadium is paying for a hundred megabits and measuring sixty-something. The monitoring graph says ninety-four. Everyone is…
Deep End Era. Engineering with SankalpFourteen Seconds: One Gas Leak Traced Through Every Standard in the Plant
After a gas leak trip that ended well, the plant manager asks: luck or design? Facilitator Aisha Bello and nine colleagues from the whole cast trace fourteen…
Deep End Era. Engineering with SankalpOne Threat Model, Three Views: The EU AI Act, ISO/IEC 42001 and IEC 62443 for AI in OT
OT security architect Priya Raghavan and integration engineer Tomás Iglesias have until Thursday to answer one paragraph from a German client: which of the…
Deep End Era. Engineering with SankalpThe Dog Points, the Scanner Decides: Can Machine Learning Sit in a Safety Function? (ISO/IEC TR 5469, ISO/IEC TS 22440)
Instrument lead Diego Ferrer wants to put an AI-based ultrasonic leak detector into the gas detection voting on the inlet separator, because "it's better"…
Deep End Era. Engineering with SankalpGood Enough to Trust: Trustworthiness, AI Quality, Data Quality and Bias (TR 24028, 25059, TS 25058, 5259, TR 24027)
Data architect Leila Darwish has a vendor promising a "trustworthy, unbiased AI" that estimates surge margin on the propane refrigeration compressors. Process…
Deep End Era. Engineering with SankalpWho Checks the Checkers: ISO/IEC 42006, Certification of AI Management Systems, and the Missing Numbers
EPC lead instrument engineer Diego Ferrer wants to tell a client tender that his company's AI management system is "fully 42001 and 42002 certified"…
Deep End Era. Engineering with SankalpWho Else Is in the Room: ISO/IEC 42005 and the AI System Impact Assessment
OT security architect Priya Raghavan wants to approve a camera system that spots missing hard hats and drowsy drivers. Rotating equipment engineer Sven…
Deep End Era. Engineering with SankalpThe Effect of Uncertainty: ISO/IEC 23894 and AI Risk Management on Top of ISO 31000
Process engineer Aisha Bello has run a hundred HAZOPs and trusts guidewords. Shift lead Noor Haddad has survived an alarm flood and trusts nothing that talks…
Deep End Era. Engineering with SankalpThirty-Eight Rows: ISO/IEC 42001 Part II, Annex A Controls, the Statement of Applicability and Annexes B to D
Data architect Leila Darwish has a 38-row spreadsheet and a deadline; commissioning manager Rafa Ortega has two cups of tea and no idea what provenance means…
Deep End Era. Engineering with SankalpWhat Is the System For? ISO/IEC 42001 AI Management Systems, Part I: Clauses 4 to 10
A certification auditor at the Al Sahil Gas Complex asks one question: what is this management system for? OT cybersecurity architect Priya Raghavan and…
Deep End Era. Engineering with SankalpThe Analyser That Never Sleeps: ISO/IEC 23053 Framework for AI Systems Using Machine Learning
Night supervisor Rashid Al Amri can call the hydrogen sulphide in sales gas from the amine trends, and he retires in eighteen months. Reliability engineer…
Deep End Era. Engineering with SankalpThe Word on the Purchase Order: ISO/IEC 22989 AI Concepts and Terminology
A one-line purchase order for an "AI-enabled predictive maintenance platform" lands at the Al Sahil Gas Complex, and information manager Ivan Petrov…
Deep End Era. Engineering with SankalpThe Pump That Carries Its Own Papers: IEC 63278 Asset Administration Shell and ISO 23247 Digital Twins
A replacement pump arrives at the Al Sahil Gas Complex with a QR code on its nameplate, and for the first time its datasheet, certificates and maintenance plan…
Deep End Era. Engineering with SankalpThe Valve With Four Names: IEC 81346 Reference Designations, ISO 15926, CFIHOS and DEXPI at Handover
One isolation valve at the Al Sahil Gas Complex is known by four different names in four different systems, and at three in the morning nobody can tell which…
Deep End Era. Engineering with SankalpThe Bubble That Meant Three Things: IEC 62424 PCE Requests, CAEX and AutomationML (IEC 62714)
A PSHH bubble on a P&ID becomes an alarm instead of a trip, and an import script quietly cuts FQI to FI. Part two of The Deep End's Engineering Data series…
Deep End Era. Engineering with SankalpSame Thing, Eleven Times: IEC 61987 and the Common Data Dictionary
One pressure transmitter, eleven documents, four different ranges. Part one of The Deep End's Engineering Data series follows commissioning manager Rafa Ortega…
Deep End Era. Engineering with SankalpThe Recipe and the Reactor: ISA-88 / IEC 61512 Batch Control and Its Marriage with IEC 62264
Behind the flare at the Al Sahil Gas Complex, a laminated recipe with three colours of ink and a ten-year-old control sequence disagree about a hold time. Part…
Deep End Era. Engineering with SankalpPostal Service and Grammar: IEC 62264-6 Messaging and the Unified Namespace
Two diagrams on one whiteboard: Leila Darwish's ISA-95 pyramid and Tomás Iglesias's Unified Namespace hub. Part six of The Deep End's Enterprise-Control…
Deep End Era. Engineering with SankalpGet, Show, Process, Sync: IEC 62264-5 Business to Manufacturing Transactions
In May 2021 Colonial Pipeline stopped, although its control systems were not known to be compromised. At the Al Sahil Gas Complex, OT security architect Priya…
Deep End Era. Engineering with SankalpRecipe Cards and Kitchen Tickets: IEC 62264-4 Object Models Inside Level 3
At two in the morning a work alert at the Al Sahil Gas Complex warns that a condensate tank is being overfilled, while the tank's own gauge sits at…
Deep End Era. Engineering with SankalpFour Columns, Eight Boxes: IEC 62264-3 Activity Models of Manufacturing Operations Management
At the Al Sahil Gas Complex, four planners each think they are in charge of the same refrigeration compressor. Process engineer Aisha Bello draws four columns…
Deep End Era. Engineering with SankalpPositions and Players: IEC 62264-2:2026 Object Models, Events and Records
A compressor transmitter at the Al Sahil Gas Complex has been replaced four times, but the maintenance system only knows one tag. Rotating equipment engineer…
Deep End Era. Engineering with SankalpThe Window Between the Kitchen and the Front of House: IEC 62264-1 Models and Terminology
Three systems at the Al Sahil Gas Complex report three different propane tonnages for the same month. Data architect Leila Darwish argues the new train's…
Deep End Era. Engineering with SankalpExtremes: IEC 60909 Short-Circuit Currents, IEC 60255 Protection Relays and IEC 62305 Lightning Protection
A rare winter thunderstorm puts lightning onto the flare stack at Al Sahil and destroys instruments a hundred metres away; three weeks later a cable fault on…
Deep End Era. Engineering with SankalpInvisible Interference and Desert Dust: IEC 61000 EMC and the IEC 60529 IP Code
An operator keys his radio beside an open cabinet, and a compressor trips. Months later, cabinets rated IP54 are found full of fine desert dust. Khalid…
Deep End Era. Engineering with SankalpThe Drive That Talks Back: IEC 61800 Power Drive Systems, Harmonics, Safe Torque Off and IEC 61000-3
Twelve new variable speed drives in the cooling water pump house save energy and start blowing capacitor fuses on the 11 kV board. Then a technician nearly…
Deep End Era. Engineering with SankalpThe Machines That Turn: IEC 60034 Motors, Efficiency Classes, Drive-Fed Motors and Ex Motors
In the compressor house at Al Sahil, the winding temperature on a 6 megawatt motor creeps upward week by week, and in the tank farm, a pump motor bought for…
Deep End Era. Engineering with SankalpBeyond a Thousand Volts: IEC 62271 High-Voltage Switchgear and IEC 60076 Power Transformers
On the hottest week of the year, the oil sample from the main step-down transformer at the Al Sahil Gas Complex comes back with acetylene in it. Khalid…
Deep End Era. Engineering with SankalpThe Box Around the Copper: IEC 61439 Switchgear Assemblies, Forms of Separation and Internal Arc
A technician at the Al Sahil Gas Complex racks a motor starter drawer back into a motor control centre, and a fault inside the cubicle turns into an arc. He…
Deep End Era. Engineering with SankalpThe Path Home: IEC 60364, Earthing Systems, Shock Protection and Cable Sizing
A contractor at the Al Sahil Gas Complex feels a tingle from a steel handrail near a temporary site cabin. Nobody is hurt, but Hana Qureshi, the plant's new…
Deep End Era. Engineering with SankalpEvery Clock Agrees: Precision Time, the 61850-90 Reports, and Securing GOOSE with IEC 62351
At the Al Sahil Gas Complex, a sequence-of-events report after a generator trip makes no sense: the breaker opened before the fault happened. Khalid Mansoori…
Deep End Era. Engineering with SankalpKeeping the Lights On: Engineering a Plant ECS on IEC 61850, Part 10 Testing, and Load Shedding by GOOSE
At the Al Sahil Gas Complex, the new gas trains bring three gas turbine generators and a link to the national grid that can be lost in a sandstorm. Khalid…
Deep End Era. Engineering with SankalpMessages That Replaced the Wires: MMS, GOOSE, Sampled Values and PRP/HSR
Khalid Mansoori has convinced Leila Darwish that a substation can be described as data. Now she wants to know how a protection trip, the most time-critical…
Deep End Era. Engineering with SankalpA Language for Substations: IEC 61850, Logical Nodes and SCL
Khalid Mansoori, the senior electrical engineer at the Al Sahil Gas Complex, has spent twenty years with substations wired point to point with thousands of…
Deep End Era. Engineering with SankalpGrey Screens Save Lives: IEC 63303, ISA-101 and Control Room Design
Diego Ferrer, the EPC's lead instrument and control engineer, inherited a graphics specification that said only "graphics to be agreed with the client". Noor…
Deep End Era. Engineering with SankalpNoor's Night Shift: Alarm Floods, KPIs, Shelving and Suppression
At 03:12 one night, eight months after start-up of the new trains at the Al Sahil Gas Complex, the feed gas compressor trips. Noor Haddad, the shift lead, gets…
Deep End Era. Engineering with SankalpTwo Hundred and Seventy-Five Alarms: IEC 62682 and the Alarm Management Lifecycle
Noor Haddad has run a control room shift at the Al Sahil Gas Complex for nine years and has lived through two alarm floods. Aisha Bello, a process engineer who…
Deep End Era. Engineering with SankalpPlug and Produce: OPC UA, MTP and Ethernet-APL
Tomás Iglesias, the DCS and SIS integration engineer at the vendor's FAT shop, has integrated forty-two package skids into control systems over his career, and…
Deep End Era. Engineering with SankalpCutting the Cable: WirelessHART, ISA100 and Where Wireless Belongs
At the Al Sahil Gas Complex, Khalid Mansoori, the senior electrical engineer, has been asked to price three hundred new measurements on an old tank farm where…
Deep End Era. Engineering with SankalpThe Whisper on the Wire: HART, Device Descriptions and FDI
During commissioning at the Al Sahil Gas Complex, Rafael "Rafa" Ortega, the commissioning manager, has eight thousand instruments to loop-check and a schedule…
Deep End Era. Engineering with SankalpTrust Nothing in the Middle: IEC 61784-3 Functional Safety Fieldbuses and the Black Channel
At the Al Sahil Gas Complex, a new compressor's emergency shutdown signals are to travel over PROFIsafe instead of copper. Mariam Al Hosani, the operator's…
Deep End Era. Engineering with SankalpThe Protocol That Speaks Objects: EtherNet/IP and CIP in Depth
A compressor package on the Al Sahil Gas Complex floods the plant's control network every time it is powered up, and nobody can say why. Priya Raghavan, the OT…
Deep End Era. Engineering with SankalpEthernet Learns to Keep Time: IEC 61784-2 Real-Time Profiles and IEC 61784-5 Installation
A brand-new PROFINET network on a nitrogen package at the Al Sahil Gas Complex keeps losing a drive every time a welding crew works nearby. Khalid Mansoori…
Deep End Era. Engineering with SankalpTwenty Protocols in One Book: IEC 61158, IEC 61784 and the Fieldbus Wars
Priya Raghavan, the OT cybersecurity architect at the Al Sahil Gas Complex, is asked to map every protocol on the site and discovers that one IEC standard…
Deep End Era. Engineering with SankalpEvents, Not Scans: IEC 61499 and Open Process Automation
Leila Darwish, the digital twin and data architect at the Al Sahil Gas Complex, has been asked a deceptively simple question by the operator's technology…
Deep End Era. Engineering with SankalpThe Box, the Rules and the Safety Twin: the Rest of IEC 61131 and PLCopen
A brand-new remote I/O cabinet at the Al Sahil Gas Complex keeps registering phantom pulses from a proximity switch, and a packaged-skid vendor insists its…
Deep End Era. Engineering with SankalpFour Languages and a Funeral: IEC 61131-3 Edition 4
At the Al Sahil Gas Complex, a vendor FAT stalls on a single line of code nobody can read: a twenty-year-old Instruction List routine guarding a compressor…
Deep End Era. Engineering with SankalpTen Minutes with the Board: ISO/IEC 27005, the NIST Cybersecurity Framework 2.0, and Mapping It All to IEC 62443
Diego Ferrer, the EPC's lead instrument and control engineer, and Henrik Dahl, the group information security manager, are given ten minutes on the board…
Deep End Era. Engineering with SankalpTwo Locks on One Door: IEC TR 63069 Safety and Security Co-Engineering, the Security Environment, and IEC TS 63074 for Machinery
Priya Raghavan, the OT cybersecurity architect, and Tomás Iglesias, the DCS and SIS integration engineer, discover that the safety instrumented system at Al…
Deep End Era. Engineering with SankalpWho May Press the Button: IEC 62351 Part Two — Role-Based Access Control, Network and System Management, Security Event Logging and Conformance Testing
Khalid Rahman, the Al Sahil control room manager, and Amira Saleh, the electrical lead, try to give the relay vendor's field engineer exactly enough access to…
Deep End Era. Engineering with SankalpProtocols Built for a Trusting World: IEC 62351 Power-System Security, Part One — the Parts Map, Securing IEC 61850 GOOSE and MMS, and IEC 60870-5-104
Amira Saleh, the Al Sahil electrical lead, and Sven Lindqvist, the protection and control engineer, try to sign a GOOSE trip message in less than four…