{"id":19969,"date":"2025-08-25T12:46:55","date_gmt":"2025-08-25T12:46:55","guid":{"rendered":"https:\/\/itbusinesstoday.com\/?p=19969"},"modified":"2025-08-25T12:46:55","modified_gmt":"2025-08-25T12:46:55","slug":"can-japanese-enterprises-optimize-legacy-it-while-embracing-cloud-workloads","status":"publish","type":"post","link":"https:\/\/itbusinesstoday.com\/ja\/tech\/cloud\/can-japanese-enterprises-optimize-legacy-it-while-embracing-cloud-workloads\/","title":{"rendered":"\u65e5\u672c\u4f01\u696d\u306f\u30ec\u30ac\u30b7\u30fcIT\u3092\u6700\u9069\u5316\u3057\u306a\u304c\u3089\u30af\u30e9\u30a6\u30c9\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u3092\u5c0e\u5165\u3067\u304d\u308b\u304b\uff1f"},"content":{"rendered":"

For the smart Japanese business leader, today’s tech scene presents a tough challenge. \u30af\u30e9\u30a6\u30c9\u30fb\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/a> creates a mix of feelings in boardrooms from Otemachi to Osaka. It offers strong potential for agility, innovation, and global competitiveness. This future relies on legacy systems. These key applications have powered the nation’s economy for years. These systems aren’t just old tech. They have important knowledge, assist with daily tasks, and are often vital to a company’s transactions.<\/p>

The question isn’t just about replacement. The idea of a wholesale ‘lift-and-shift’ of years of complex code is a fantasy. It often causes major disruption and high costs. The key strategy now is to focus on optimization and coexistence. Can Japanese companies update their old IT systems? Can they also adopt new cloud services? Yes, but it needs a careful approach. This needs careful planning, understanding of culture, and a fresh architectural vision.<\/p>

\u5358\u306a\u308b\u8ca0\u62c5\u3067\u306f\u306a\u304f\u3001\u571f\u53f0<\/strong><\/h2>

To call legacy systems just obstacles is a big mistake. These systems often run on strong platforms, such as mainframes and AS\/400. They were designed for a time of stability and reliable transactions. They manage billions of yen in transactions. They do this with great accuracy. They manage complex supply chains. They also keep customer records reliably. New technologies can’t always reach this level of precision. Their perceived inertia often shows their success. They work so well that the risk of change often seems bigger than the reward.<\/p>

\u3053\u3061\u3089\u3082\u304a\u8aad\u307f\u304f\u3060\u3055\u3044\uff1a \u4e16\u754c\u306e\u5f93\u696d\u54e1\u4f53\u9a13\u3068\u30ea\u30c6\u30f3\u30b7\u30e7\u30f3\u3092\u5909\u3048\u308b\u9375\u306fAI\uff1f<\/a><\/h4>

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\u30af\u30e9\u30a6\u30c9\u306e\u5fc5\u8981\u6027<\/strong><\/h2>

\u30af\u30e9\u30a6\u30c9\u304c\u63d0\u4f9b\u3059\u308b\u306e\u306f\u3001\u5358\u306b\u904b\u7528\u30b3\u30b9\u30c8\u3092\u51e6\u7406\u3059\u308b\u65b0\u3057\u3044\u65b9\u6cd5\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002 \u30af\u30e9\u30a6\u30c9<\/a> \u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306f\u3001\u65e5\u672c\u4f01\u696d\u304c\u30a4\u30ce\u30d9\u30fc\u30b7\u30e7\u30f3\u3092\u8d77\u3053\u3057\u3001\u4e16\u754c\u3067\u7af6\u4e89\u3059\u308b\u305f\u3081\u306e\u30e6\u30cb\u30fc\u30af\u306a\u6a5f\u4f1a\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u30d4\u30fc\u30af\u6642\u306e\u8ca0\u8377\u306b\u5bfe\u5fdc\u3059\u308b\u30aa\u30f3\u30c7\u30de\u30f3\u30c9\u306e\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3002\u9ad8\u5ea6\u306a\u5206\u6790\u30c4\u30fc\u30eb\u3053\u308c\u3089\u306e\u30c4\u30fc\u30eb\u306f\u3001\u5927\u898f\u6a21\u306a\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u304b\u3089\u6d1e\u5bdf\u3092\u5f97\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u30b0\u30ed\u30fc\u30d0\u30eb\u30fb\u30a4\u30f3\u30d5\u30e9\u306f\u3001\u56fd\u969b\u5e02\u5834\u3067\u65b0\u3057\u3044\u30c7\u30b8\u30bf\u30eb\u30fb\u30b5\u30fc\u30d3\u30b9\u3092\u6570\u5e74\u3067\u306f\u306a\u304f\u6570\u65e5\u3067\u7acb\u3061\u4e0a\u3052\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>

The best companies know the cloud isn’t just for new apps. It is a powerful force that can be used to modernize the legacy estate itself. The goal is to form a symbiotic bond. The cloud<\/a> \u306f\u3001\u53e4\u3044\u30b7\u30b9\u30c6\u30e0\u306b\u65b0\u3057\u3044\u606f\u5439\u3092\u5439\u304d\u8fbc\u307f\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u30af\u30e9\u30a6\u30c9\u30d9\u30fc\u30b9\u306e\u30a4\u30ce\u30d9\u30fc\u30b7\u30e7\u30f3\u306e\u305f\u3081\u306e\u5f37\u529b\u306a\u57fa\u76e4\u3068\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u4e8c\u8005\u629e\u4e00\u3067\u306f\u306a\u304f\u3001\u5fc5\u8981\u306a\u7d71\u5408\u306a\u306e\u3067\u3059\u3002<\/p>

\u5f90\u3005\u306b\u8fd1\u4ee3\u5316\u3059\u308b\u6280\u8853<\/strong><\/h2>

The path to this optimized state isn’t just one project. It’s a long-term program of architectural growth. It needs a careful, step-by-step plan. This plan should honor the past and prepare for the future.<\/p>

\u91cd\u8981\u306a\u6700\u521d\u306e\u30b9\u30c6\u30c3\u30d7\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5b8c\u5168\u306a\u30a4\u30f3\u30d9\u30f3\u30c8\u30ea\u3068\u8a55\u4fa1\u3092\u884c\u3046\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u306f\u5358\u7d14\u306a\u76e3\u67fb\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5404\u30ec\u30ac\u30b7\u30fc\u30fb\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u3001\u305d\u306e\u30d3\u30b8\u30cd\u30b9\u4fa1\u5024\u3001\u6280\u8853\u7684\u554f\u984c\u3001\u4ed6\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u306e\u95a2\u9023\u6027\u306b\u57fa\u3065\u3044\u3066\u8a55\u4fa1\u3057\u307e\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u3088\u308a\u3001\u5ec3\u6b62\u3059\u3079\u304d\u30b7\u30b9\u30c6\u30e0\u3001\u6b8b\u3057\u3066\u6539\u5584\u3059\u3079\u304d\u30b7\u30b9\u30c6\u30e0\u3001\u30af\u30e9\u30a6\u30c9\u30cd\u30a4\u30c6\u30a3\u30d6\u306a\u5c06\u6765\u306b\u5411\u3051\u3066\u66f4\u65b0\u307e\u305f\u306f\u518d\u8a2d\u8a08\u53ef\u80fd\u306a\u30b7\u30b9\u30c6\u30e0\u304c\u898b\u3064\u304b\u308a\u307e\u3059\u3002<\/p>

More businesses are using API-led connectivity for their main systems now. Organizations can create modern Application Programming Interfaces (APIs) on top of their old systems. This lets them safely share their data and business logic with new cloud apps. A major bank is using its new mobile banking app, hosted in the cloud. It can safely access real-time account info from its mainframe using clear APIs. The legacy system is still the same, but its value has gone up. Now, it’s accessible in a digital world.<\/p>

Hybrid cloud<\/a> \u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u30fc\u306f\u73fe\u5728\u3001\u3053\u306e\u5909\u5316\u306e\u898f\u7bc4\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u4e16\u754c\u7684\u306b 69%<\/a> of organizations have adopted hybrid cloud, with 82% of enterprise workloads expected to operate in hybrid environments by 2024. This model lets companies keep sensitive workloads either on-site or in a private cloud. They do this for regulatory reasons or to boost performance. It links these tasks to public cloud services. That’s where innovation thrives. This balanced way reduces risk. It also lets us try new things. Mitsubishi UFJ Financial Group is a key example. It has launched a hybrid cloud strategy. This aims to improve digital banking services. At the same time, it ensures the security and stability of core banking systems.<\/p>

\u4eba\u9593\u7684\u30fb\u6587\u5316\u7684\u5074\u9762<\/strong><\/h2>

\"Can<\/p>

The biggest challenge is not technology; it’s culture. Japanese corporate culture values stability. It avoids risks and emphasizes consensus. Strong values can slow digital transformation.<\/p>

It takes strong leadership to explain the reasons behind this change. Modernization isn’t just a risky IT project; it’s a business must. It’s key for future growth and staying relevant to customers. Creating a culture of continuous learning and flexible growth is essential. This might mean teaming up experienced mainframe experts with young cloud-native developers. This way, they can share knowledge and combine old and new ideas. Fujitsu and Hitachi are putting money into large reskilling programs. People are key to a successful transformation.<\/p>

Government and industry are taking action. In May 2025, Japan’s Ministry of Economy, Trade and Industry (METI) released a comprehensive report on legacy system modernization as part of its Digital Society Priority Plan. It underscores the urgency to avoid the ‘2025 Digital Cliff,<\/a>‘ urging tools for IT asset visibility, self-assessment guidelines, and development of continuous learning platforms<\/p>

\u4eca\u5f8c\u306e\u65c5\u306e\u305f\u3081\u306e\u5b9f\u7528\u7684\u306a\u6d1e\u5bdf<\/strong><\/h2>

\u3053\u306e\u9053\u3092\u8003\u3048\u3066\u3044\u308b\u30ea\u30fc\u30c0\u30fc\u306b\u3068\u3063\u3066\u3001\u305d\u306e\u65c5\u306f\u660e\u78ba\u306a\u30d3\u30b8\u30e7\u30f3\u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u3002\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3067\u306f\u306a\u304f\u3001\u660e\u78ba\u306a\u30d3\u30b8\u30cd\u30b9\u76ee\u6a19\u304b\u3089\u59cb\u3081\u307e\u3057\u3087\u3046\u3002\u9867\u5ba2\u4f53\u9a13\u3092\u5411\u4e0a\u3055\u305b\u305f\u3044\u306e\u304b\uff1f\u88fd\u54c1\u958b\u767a\u306e\u30b9\u30d4\u30fc\u30c9\u30a2\u30c3\u30d7\uff1f\u305d\u308c\u3068\u3082\u65b0\u3057\u3044\u5e02\u5834\u306e\u958b\u62d3\u3067\u3059\u304b\uff1f\u305d\u306e\u76ee\u6a19\u3092\u3082\u3068\u306b\u3001\u30e2\u30c0\u30ca\u30a4\u30bc\u30fc\u30b7\u30e7\u30f3\u306e\u512a\u5148\u9806\u4f4d\u3092\u6c7a\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>

\u5927\u304d\u306a\u30a4\u30f3\u30d1\u30af\u30c8\u306e\u3042\u308b\u30b7\u30f3\u30d7\u30eb\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304b\u3089\u59cb\u3081\u307e\u3057\u3087\u3046\u3002\u8fc5\u901f\u306b\u672c\u5f53\u306e\u4fa1\u5024\u3092\u63d0\u4f9b\u3057\u3001\u52e2\u3044\u3092\u3064\u3051\u308b\u306e\u306b\u5f79\u7acb\u3064\u306f\u305a\u3067\u3059\u30021\u3064\u306e\u9867\u5ba2\u5411\u3051\u30a2\u30d7\u30ea\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306e\u3088\u3046\u306a\u30d1\u30a4\u30ed\u30c3\u30c8\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304c\u6210\u529f\u3059\u308c\u3070\u3001\u30b3\u30f3\u30bb\u30d7\u30c8\u3092\u8a3c\u660e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u308c\u306f\u3001\u3088\u308a\u5927\u304d\u306a\u65c5\u306e\u305f\u3081\u306e\u3088\u308a\u591a\u304f\u306e\u30b5\u30dd\u30fc\u30c8\u3068\u8cc7\u91d1\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>

\u30d1\u30fc\u30c8\u30ca\u30fc\u30b7\u30c3\u30d7\u3092\u53d7\u3051\u5165\u308c\u307e\u3057\u3087\u3046\u3002\u3053\u306e\u8907\u96d1\u306a\u30bf\u30b9\u30af\u306b\u5bfe\u3057\u3066\u3001\u5358\u4e00\u306e\u30d9\u30f3\u30c0\u30fc\u304c\u3059\u3079\u3066\u306e\u7b54\u3048\u3092\u6301\u3063\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30ec\u30ac\u30b7\u30fc\u7d71\u5408\u3084\u30af\u30e9\u30a6\u30c9\u79fb\u884c\u3092\u5f97\u610f\u3068\u3059\u308b\u6280\u8853\u30d1\u30fc\u30c8\u30ca\u30fc\u3092\u63a2\u3057\u307e\u3057\u3087\u3046\u3002\u5f7c\u3089\u306f\u65e5\u672c\u306e\u30d3\u30b8\u30cd\u30b9\u30b7\u30fc\u30f3\u306e\u30e6\u30cb\u30fc\u30af\u306a\u90e8\u5206\u3092\u7406\u89e3\u3057\u3066\u3044\u308b\u306f\u305a\u3067\u3059\u3002<\/p>

\u30b7\u30ca\u30b8\u30fc\u3067\u7bc9\u304f\u672a\u6765<\/strong><\/h2>

\"Can<\/p>

The journey of Japanese businesses isn’t about sudden change. Instead, it’s a careful and thoughtful evolution. The goal is a modern IT<\/a> setup. Optimized legacy systems and flexible cloud workloads support each other here. In this future, the mainframe’s legendary reliability serves as a stable core. Cloud-native innovations can then orbit around it. Japan’s business leaders can honor their strong legacy by being smart and cautious. This means being aware of culture. They can create fast, robust, and innovative companies for the future. Old and new can work together. This harmony is vital for lasting competitiveness.<\/p>","protected":false},"excerpt":{"rendered":"

For the smart Japanese business leader, today’s tech scene presents a tough challenge. Cloud computing creates a mix of feelings in boardrooms from Otemachi to Osaka. It offers strong potential for agility, innovation, and global competitiveness. This future relies on legacy systems. These key applications have powered the nation’s economy for years. These systems aren’t just old tech. They have important knowledge, assist with daily tasks, and are often vital to a company’s transactions.The question isn’t just about replacement. The idea of a wholesale ‘lift-and-shift’ of years of complex code is a fantasy. It often causes major disruption and high costs. The key strategy now is to focus on optimization […]<\/p>\n","protected":false},"author":5,"featured_media":19973,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"wprm-recipe-roundup-name":"","wprm-recipe-roundup-description":"","postBodyCss":"","postBodyMargin":[],"postBodyPadding":[],"postBodyBackground":{"backgroundType":"classic","gradient":""},"footnotes":""},"categories":[183,180,201,85],"tags":[7348,384,377,7349,7346,7347],"ppma_author":[324],"class_list":["post-19969","post","type-post","status-publish","format-standard","has-post-thumbnail","category-cloud","category-knowledge-hub","category-staff-writers","category-tech","tag-analytics-tool","tag-cloud","tag-computing","tag-it-systems","tag-japanese-enterprise","tag-legacy-system"],"yoast_head":"\nCan Japanese Firms Modernize Legacy IT and Adopt Cloud?<\/title>\n<meta name=\"description\" content=\"Japanese enterprises balance legacy IT with cloud adoption. 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