{"product_id":"139232","title":"Everything about network operations and maintenance ","description":"\u003ccenter\u003e\u003cdiv style=\"text-align:center\"\u003e\u003cimg src=\"https:\/\/tmgdisk01.cafe24.com\/images\/vs\/4172\/sv\/3jXPBvmCvZIMyXhpXxT7ixrL8LoiTH.png?v=1765074091\" style=\"max-width:100%;max-height:10px\"\u003e\u003c\/div\u003e\u003c\/center\u003e\n\u003ccenter\u003e\u003ctable\u003e\u003ctr\u003e\u003ctd style=\"height:10px\"\u003e\u003c\/td\u003e\u003c\/tr\u003e\u003c\/table\u003e\u003c\/center\u003e\n\u003ccenter\u003e\u003ctable\u003e\u003ctr\u003e\u003ctd style=\"height:10px\"\u003e\u003c\/td\u003e\u003c\/tr\u003e\u003c\/table\u003e\u003c\/center\u003e\n\u003ccenter\u003e\n\n\u003cdiv style=\"width:95%\"\u003e\n\n\u003cdiv style=\"text-align:center;font-size:30px;font-weight:bolder;line-height:1.6em\"\u003e Everything about network operations and maintenance \u003c\/div\u003e\n\n\u003ccenter\u003e\u003ctable\u003e\u003ctr\u003e\u003ctd style=\"height:10px\"\u003e\u003c\/td\u003e\u003c\/tr\u003e\u003c\/table\u003e\u003c\/center\u003e\n\n\u003ccenter\u003e\u003ctable\u003e\u003ctr\u003e\u003ctd style=\"height:10px\"\u003e\u003c\/td\u003e\u003c\/tr\u003e\u003c\/table\u003e\u003c\/center\u003e\n\n\u003ccenter\u003e\u003ctable\u003e\u003ctr\u003e\u003ctd style=\"height:10px\"\u003e\u003c\/td\u003e\u003c\/tr\u003e\u003c\/table\u003e\u003c\/center\u003e\n\n\u003ccenter\u003e\u003ctable\u003e\u003ctr\u003e\u003ctd style=\"height:10px\"\u003e\u003c\/td\u003e\u003c\/tr\u003e\u003c\/table\u003e\u003c\/center\u003e\n\n\u003cdiv style=\"border-bottom:1px;border-bottom-style:dotted;border-color:;padding-bottom:20px\"\u003e\u003ccenter\u003e\u003ctable align=\"center\" width=\"100%\"\u003e\u003ctbody style=\"border:0px\"\u003e\n\n\u003ctr\u003e\u003ctd align=\"center\" style=\"line-height:1.2em;text-align:center;font-size:18px;color:black;font-weight:bold;padding-bottom:20px;\"\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\n\u003ctr\u003e\u003ctd style=\"text-align:center\"\u003e\u003cimg src=\"https:\/\/image.yes24.com\/goods\/113484900\/XL\" style=\"max-width:100%;height:auto\"\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/center\u003e\u003c\/div\u003e\n\n\u003ccenter\u003e\u003ctable\u003e\u003ctr\u003e\u003ctd style=\"height:10px\"\u003e\u003c\/td\u003e\u003c\/tr\u003e\u003c\/table\u003e\u003c\/center\u003e\n\n\u003ccenter\u003e\u003ctable\u003e\u003ctr\u003e\u003ctd style=\"height:10px\"\u003e\u003c\/td\u003e\u003c\/tr\u003e\u003c\/table\u003e\u003c\/center\u003e\n\n\u003cdiv style=\"width:95%;{split_style6}padding-top:20px;padding-bottom:20px\"\u003e\n\n\u003cdiv style=\"text-align:left;font-size:16px;font-weight:bold;padding-bottom:20px\"\u003e Description \u003c\/div\u003e\n\n\u003cdiv style=\"text-align:left;word-break:break-all;font-size:14px;line-height:1.6em;\"\u003e\n\n\u003cdiv\u003e\u003ch5\u003e \u003cb\u003eBook Introduction\u003c\/b\u003e\n\u003c\/h5\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cdiv\u003e \u003cb\u003eA single volume contains 25 years of network operation know-how.\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e The most important thing in network operation is to quickly identify problems and restore them to their original state. \u003cbr\u003eHow can we quickly identify and resolve issues? From hardware failures to software failures, identifying and quickly addressing a wide range of issues requires more than textbook knowledge.\u003cbr\u003e What is needed at this time is experience and know-how accumulated in the field.\u003cbr\u003e This book provides the author's know-how gained from over 25 years of field experience.\u003cbr\u003e This book will provide you with hands-on experience on the front lines of networking.\u003cbr\u003e\n\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cul\u003e\u003cli\u003e You can preview some of the book's contents.\u003cbr\u003e \u003cspan\u003ePreview\u003c\/span\u003e\n\n\u003c\/li\u003e\u003c\/ul\u003e\u003c\/div\u003e\n\u003c\/div\u003e \",\"\u003cdiv\u003e\u003ch5\u003e \u003cb\u003eindex\u003c\/b\u003e\n\u003c\/h5\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e Translator's Preface ⅹ\u003cbr\u003e Beta Reader Review ⅹⅱ\u003cbr\u003e Preface ⅹⅳ\u003cbr\u003e\u003cbr\u003e \u003cb\u003eCHAPTER 1 Overall Structure of Network Operation and Maintenance\u003c\/b\u003e\u003cbr\u003e 1-1 Current status of on-site operation and maintenance work 3\u003cbr\u003e What is Network Operations and Maintenance? 3\u003cbr\u003e __It is important for network operations and maintenance engineers to be aware of the upper process 5 \u003cbr\u003e__Network operations and maintenance engineers are involved from the design and construction stages. 6\u003cbr\u003e 1-2 Characters in Operation and Maintenance 8\u003cbr\u003e Customer 8\u003cbr\u003e __Operations and Maintenance Company 10\u003cbr\u003e 1-3 General flow of response to a failure 14\u003cbr\u003e __Fault Detection and Reception 14\u003cbr\u003e __Causal Analysis 17\u003cbr\u003e __Recovery Operation 19\u003cbr\u003e 1-4 General Configuration Management 21\u003cbr\u003e What is Configuration Management? 21\u003cbr\u003e __Items needed for configuration management 22\u003cbr\u003e __IP Address Management Table 23\u003cbr\u003e __Device Management Table 24\u003cbr\u003e __[Practical Points] Creating a Hostname Naming Rule 26\u003cbr\u003e 1-5 General Performance Management 27\u003cbr\u003e What is Performance Management? 27\u003cbr\u003e __Performance Management Cycle 28\u003cbr\u003e __29 frequently used tools for performance management\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e \u003cb\u003eCHAPTER 2: Fundamentals of Network Operations Management\u003c\/b\u003e\u003cbr\u003e 2-1 Network Operation Management 33\u003cbr\u003e __Overview of Network Operations Management 33\u003cbr\u003e 2-2 Incident Management 36\u003cbr\u003e __Incident Management Overview 36\u003cbr\u003e __Operational Incident Management 36\u003cbr\u003e __Enactment of Escalation Rules 37\u003cbr\u003e __[Practical Points] 38 Actual Inquiries or Requests\u003cbr\u003e 2-3 Problem Management 40\u003cbr\u003e __Overview of Problem Management 40 \u003cbr\u003e2-4 Access Management 43\u003cbr\u003e __Access Management Overview 43\u003cbr\u003e __Access Request Response 43\u003cbr\u003e 2-5 The Role of the Help Desk 44\u003cbr\u003e __[Practical Points] Help Desk Operation 45\u003cbr\u003e 2-6 Network Operations Management Tools 46\u003cbr\u003e __Tools to Support Your Help Desk 46\u003cbr\u003e __Tools to support network operation monitoring 46\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e \u003cb\u003eCHAPTER 3: Fundamentals of Network Operations Monitoring\u003c\/b\u003e\u003cbr\u003e 3-1 Network Operation Monitoring Task 51\u003cbr\u003e __Network Monitoring Device 52\u003cbr\u003e __Features required for network monitoring devices 53\u003cbr\u003e 3-2 Main Functions of Network Monitoring Devices 57\u003cbr\u003e __Configuration Management 57\u003cbr\u003e __Disability Management 58\u003cbr\u003e __[Practical Point] Non-monitoring Settings for Network Monitoring Devices 62\u003cbr\u003e __Performance Management 62\u003cbr\u003e 3-3 General Operational Monitoring 64\u003cbr\u003e __Operational monitoring methods vary depending on the size of the network 64\u003cbr\u003e __Network Monitoring Device Structure 66\u003cbr\u003e 3-4 Introduction of Network Monitoring Devices 68\u003cbr\u003e __Individual surveillance 68\u003cbr\u003e __Public Surveillance 70\u003cbr\u003e 3-5 Operational Monitoring Using SNMP 72\u003cbr\u003e What is SNMP? 72\u003cbr\u003e __Conditions for using SNMP 72\u003cbr\u003e __SNMP Components 73 \u003cbr\u003e__The Role of Managers and Agents 76\u003cbr\u003e __Polling 77\u003cbr\u003e __Trap 81\u003cbr\u003e __What is the community name? 83\u003cbr\u003e The Need for SNMP 83\u003cbr\u003e __[Practical Point] Why UDP is Used in SNMP 85\u003cbr\u003e __[Practical Points] 85 Pitfalls of SNMP Monitoring\u003cbr\u003e 3-6 Traffic Analysis Using NetFlow 87\u003cbr\u003e __NetFlow Usage Example 89\u003cbr\u003e __[Practical Point] Pay Attention to Maximum Burst Traffic Volume 91\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e \u003cb\u003eCHAPTER 4 Basics of Network Maintenance\u003c\/b\u003e\u003cbr\u003e 4-1 Overview of the Maintenance Network 95\u003cbr\u003e Separation of business and maintenance networks 95\u003cbr\u003e 4-2 Maintenance Network Maintenance 97\u003cbr\u003e __Requirements for Maintenance Networks 98\u003cbr\u003e __Change the path of maintenance communication 99\u003cbr\u003e 4-3 Advanced Remote Login 101\u003cbr\u003e __Remote Access Limitations 101\u003cbr\u003e __Managing Protocols Used for Remote Access 101\u003cbr\u003e 4-4 Connecting using the console server 106\u003cbr\u003e __Engineers go to the site 106\u003cbr\u003e __Remote serial connection structure 107\u003cbr\u003e __[Practical Points] How to Use Console Servers 112\u003cbr\u003e\u003cbr\u003e \u003cbr\u003e\u003cb\u003eCHAPTER 5: Fundamentals of Network Operation Design and Fault Response\u003c\/b\u003e\u003cbr\u003e 5-1 Network Availability Design 115\u003cbr\u003e __Network Availability 115\u003cbr\u003e Level 118 of 5-2 Dualization\u003cbr\u003e __Dual configuration method 118\u003cbr\u003e 5-3 Overall structure of duplication 121\u003cbr\u003e __The impact of failure when it is a single configuration is 121\u003cbr\u003e __Place to duplicate 123\u003cbr\u003e __[Practical Point] Understanding Communication Paths 127\u003cbr\u003e 5-4 Advanced Dualization Measures 135\u003cbr\u003e __Multi-Chassis Link Aggregation 135\u003cbr\u003e 5-5 Loop Prevention Function 142\u003cbr\u003e __Network loops occur simply 142\u003cbr\u003e Why is the __loop construct bad? 143\u003cbr\u003e __Measures to Prevent Broadcast Storms 144\u003cbr\u003e __Storm Control Settings 146\u003cbr\u003e 5-6 Preparation for the Disability Diagnosis Task 150\u003cbr\u003e __Note: First, grasp the overall structure 150\u003cbr\u003e __Check the situation on site 151\u003cbr\u003e __Before going out to the field 157\u003cbr\u003e __Precautions for the environment where the device will be installed 158\u003cbr\u003e __[Practical Points] 159 Common Failure Cases\u003cbr\u003e 5-7 Where is the network failure? 161\u003cbr\u003e __Network failure of telecommunications carrier 161\u003cbr\u003e __Internal network failure 163 \u003cbr\u003e__[Practical Point] Confirming Communication via ICMP 164\u003cbr\u003e Network Quality Issue 165\u003cbr\u003e __Other Issues 166\u003cbr\u003e __Network System Failure 167\u003cbr\u003e 5-8 Response to Device Failure 169\u003cbr\u003e __Hardware failure 170\u003cbr\u003e __[Practical Points] Precautions for Safe Work 172\u003cbr\u003e __Software failure 173\u003cbr\u003e __When it is not possible to distinguish whether the cause of the failure is hardware or software 173\u003cbr\u003e 5-9 Network Device Maintenance 175\u003cbr\u003e __Basic Recovery Procedure 175\u003cbr\u003e __A rough outline of the process until complete recovery 179\u003cbr\u003e 5-10 Maintenance-Required Backups Mindset 188\u003cbr\u003e __What to back up? 188\u003cbr\u003e __When do you back up? 191\u003cbr\u003e __Where do you back up? 191\u003cbr\u003e 5-11 Packet Capture Methods 193\u003cbr\u003e Using the __L1 switch 194\u003cbr\u003e __Building a Packet Capture Network 196\u003cbr\u003e Countermeasures against 5-12 targeted attacks 199\u003cbr\u003e What is a targeted attack? 199\u003cbr\u003e __Future Security Measures from an Operational Management Perspective 200\u003cbr\u003e How to Install a Targeted Attack Countermeasure Appliance 201\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e \u003cb\u003esupplement\u003c\/b\u003e \u003cbr\u003eOperation and Maintenance Considering A-1 Cloud Services 207\u003cbr\u003e __Operation and Maintenance Flow from Each Perspective 207\u003cbr\u003e __Future network operations and maintenance resulting from the migration to cloud services 209\u003cbr\u003e How to Collect Job Logs with A-2 Tera Term 212\u003cbr\u003e __Procedure 212\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e Search 215\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003c\/div\u003e \",\"\u003cdiv\u003e\u003ch5\u003e \u003cb\u003eDetailed image\u003c\/b\u003e \u003c\/h5\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/image.yes24.com\/momo\/TopCate3959\/MidCate003\/395821839.jpg\" border=\"0\" alt=\"Detailed Image 1\"\u003e\u003c\/div\u003e\u003c\/div\u003e \",\"\u003cdiv\u003e\u003ch5\u003e \u003cb\u003eInto the book\u003c\/b\u003e\n\u003c\/h5\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e The purpose of network operations is to keep the network operating normally.\u003cbr\u003e You can think of it as an action taken in advance to prevent problems from occurring, rather than dealing with them after they occur.\u003cbr\u003e These days, this task is given importance in the field.\u003cbr\u003e Network construction is finished once it is created, but network operation work continues.\u003cbr\u003e\u003cbr\u003e --- p.3\u003cbr\u003e\u003cbr\u003e The purpose of network maintenance work is to restore the network to its original state after a network failure. \u003cbr\u003eIf there is a hardware problem, replace the part.\u003cbr\u003e Imagine calling a repairman when a large appliance in your home breaks down.\u003cbr\u003e \/ However, hardware failures in network devices are rare these days, and even when they do occur, most are initial defects.\u003cbr\u003e Meanwhile, half of the responses are related to issues stemming from the network design phase, such as software bugs or delays caused by increased traffic, or software support.\u003cbr\u003e\u003cbr\u003e --- p.4\u003cbr\u003e\u003cbr\u003e Network operations tasks include routine tasks such as network monitoring and preparing monthly traffic reports, as well as non-routine tasks such as responding to network issues.\u003cbr\u003e The task of maintaining the smooth operation of these network operation processes is called operations management.\u003cbr\u003e\u003cbr\u003e --- p.33\u003cbr\u003e\u003cbr\u003e Network operation monitoring is a central task in operations. \u003cbr\u003eThis is because the current network operation and maintenance work involves more preventative measures than response measures.\u003cbr\u003e The preventative action we are talking about here is monitoring whether the network is operating normally.\u003cbr\u003e Good network operation monitoring can reduce the frequency of outage responses and enable immediate response in emergencies.\u003cbr\u003e\u003cbr\u003e --- p.51\u003cbr\u003e\u003cbr\u003e Network operations and maintenance work is not just about maintaining the network.\u003cbr\u003e Of course, keeping the current network running stably is the minimum role.\u003cbr\u003e However, future network operation and maintenance must be conscious of the advancement of operational tasks.\u003cbr\u003e In other words, in today's environment where network traffic is increasing and security is essential, a more robust network infrastructure is needed.\u003cbr\u003e --- p.95\u003cbr\u003e \u003cbr\u003eNetwork availability simply refers to the extent to which a network can tolerate interruptions.\u003cbr\u003e In other words, it is a way of thinking that clearly defines where to prevent and where to discard, rather than trying to completely prevent failures 100%, with thoughts like, \"There's no need to introduce such expensive products or spend so much time building a network in the first place,\" \"Let's tolerate some network outages and use the remaining money elsewhere,\" and \"Selection and focus are necessary when investing in networks or servers.\"\u003cbr\u003e\n\n\u003c\/div\u003e\n\u003cdiv\u003e --- p.115\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003c\/div\u003e \",\"\u003cdiv\u003e\u003ch5\u003e \u003cb\u003ePublisher's Review\u003c\/b\u003e\n\u003c\/h5\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e \u003cb\u003eA Network Operations Management Guidebook with 25 Years of Experience\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e Are you responsible for network operations or aspiring to become a network engineer? To effectively operate and manage networks in any situation, you need field experience. \u003cbr\u003eNetwork problems can arise unexpectedly from a variety of sources, including hardware and software.\u003cbr\u003e In order to respond appropriately at each situation, extensive field experience is essential.\u003cbr\u003e However, we cannot just vaguely wait for experience to accumulate.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e To gain experience in a short period of time, you need to learn the know-how of a trustworthy senior.\u003cbr\u003e Here is a senior who has stepped forward to share his know-how.\u003cbr\u003e Author Shin Okano wrote this book to share with you his 25+ years of networking experience.\u003cbr\u003e Learn the know-how of network operation management through vivid stories from the network front lines.\u003cbr\u003e\u003cbr\u003e It consists of five chapters, and Chapters 1 and 2 explain the types of operations and maintenance, and operation management tasks.\u003cbr\u003e Chapter 3 talks about network monitoring. \u003cbr\u003eWe deliver vivid on-site information on how to use network monitoring devices and tools.\u003cbr\u003e Chapter 4 discusses infrastructure maintenance.\u003cbr\u003e Finally, Chapter 5 contains operational design considering operation and maintenance, as well as know-how for maintenance work in the field.\u003cbr\u003e\u003cbr\u003e Even if you go out into the field alone, you can move forward with the feeling of having a reliable senior by your side with this book.\u003cbr\u003e I hope that through this book, you will develop the strength to navigate any unexpected situations that may arise while working in network operations without panicking.\u003cbr\u003e\u003cbr\u003e \u003cb\u003eTarget audience\u003c\/b\u003e\u003cbr\u003e ■ Engineers who will be responsible for network operation and maintenance in the future\u003cbr\u003e ■ Corporate network administrator\u003cbr\u003e ■ Manager in charge of network operation and maintenance sites\u003cbr\u003e ■ Business owners who want to expand their network operation and maintenance business\u003cbr\u003e ■ Customers who will order network operation and management work \u003cbr\u003e■ Readers who are curious about what elements are involved in network operation\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003c\/div\u003e \"]\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003ccenter\u003e\u003ctable\u003e\u003ctr\u003e\u003ctd style=\"height:10px\"\u003e\u003c\/td\u003e\u003c\/tr\u003e\u003c\/table\u003e\u003c\/center\u003e\n\n\u003ccenter\u003e\u003ctable\u003e\u003ctr\u003e\u003ctd style=\"height:10px\"\u003e\u003c\/td\u003e\u003c\/tr\u003e\u003c\/table\u003e\u003c\/center\u003e\n\n\u003cdiv style=\"width:95%;padding-top:20px;padding-bottom:20px\"\u003e\n\n\u003cdiv style=\"text-align:left;font-size:16px;font-weight:bold;padding-bottom:20px\"\u003e GOODS SPECIFICS \u003c\/div\u003e\n\n\u003cdiv style=\"text-align:left;font-size:14px;line-height:1.6em;\"\u003e\n\n\u003cdiv style=\"width:100%;margin-bottom:5px;line-height:1.6em;font-size:14px\"\u003e - \u003cstrong\u003ePublication date:\u003c\/strong\u003e October 6, 2022\u003c\/div\u003e\n\n\u003cdiv style=\"width:100%;margin-bottom:5px;line-height:1.6em;font-size:14px\"\u003e - \u003cstrong\u003ePage count, weight, size:\u003c\/strong\u003e 236 pages | 474g | 170*225*14mm\u003c\/div\u003e\n\n\u003cdiv style=\"width:100%;margin-bottom:5px;line-height:1.6em;font-size:14px\"\u003e - \u003cstrong\u003eISBN13:\u003c\/strong\u003e 9791192469287\u003c\/div\u003e\n\n\u003cdiv style=\"width:100%;margin-bottom:5px;line-height:1.6em;font-size:14px\"\u003e - \u003cstrong\u003eISBN10:\u003c\/strong\u003e 1192469283 \u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003ccenter\u003e\n\n\u003ccenter\u003e\u003ctable\u003e\u003ctr\u003e\u003ctd style=\"height:10px\"\u003e\u003c\/td\u003e\u003c\/tr\u003e\u003c\/table\u003e\u003c\/center\u003e\n\n\u003ccenter\u003e\u003ctable\u003e\u003ctr\u003e\u003ctd style=\"height:10px\"\u003e\u003c\/td\u003e\u003c\/tr\u003e\u003c\/table\u003e\u003c\/center\u003e\n\n\u003cspan\u003e\u003c\/span\u003e\n\n\u003c\/center\u003e\n\n\n\u003c\/center\u003e","brand":"LIBRAIRIE COREENNE","offers":[{"title":"Default Title","offer_id":43893346566186,"sku":"139232","price":29.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/2750\/5962\/files\/eacdd942349edc8d6216f418f8227b13.jpg?v=1765397628","url":"https:\/\/librairie.coreenne.fr\/en\/products\/139232","provider":"LIBRAIRIE COREENNE","version":"1.0","type":"link"}