# C4 Model Diagrams The following samples are reproductions with C4-PlantUML from [C4 model core diagrams](http://c4model.com/#coreDiagrams) created by [Simon Brown](http://simonbrown.je/). ## Core Diagrams ### System Context Diagram Source: [C4_Context Diagram Sample - bigbankplc.puml](C4_Context%20Diagram%20Sample%20-%20bigbankplc.puml) ![System Context diagram for Internet Banking System](https://www.plantuml.com/plantuml/png/0/xLfxRo8v4ly_Khw3bnc9sPiaaCmh5n6qF3gJQ7b4G3ItDxD2fjj0QngxrpP3sDlzxbTsT_DqGtU0xAoq7Ic0NQwgNvNjgYxx9o4nb-EHTtoKHPMtf_SUflAXNZj1tmWNBgFe_2n_bbUzGobzSPNB3Lmv7FVER3RAjLmRSuSrNE8JBxSm_FX8ysCUuq9zUx7rKID-67YiXptqqgfPTQlHwTuquL-bMMksq3NAlBZHJoPWtfPJpwM39t3lM9NRHi2xVVTV2rYVNoW2yTMbFkPuX1pInsDFTiYZB7dkW8u8bSY6VuGl4quuzZ-vZXoYYtn-iME47-j423mWRVTtWixVvPS7Sc9BJ0SUGVyxFaBmj84tONBganj6PJ3e8kWIG-om2M15VUm9SdpqvugsME8U5ljWLUASJI8-sdtenNlz14sAOKppJCwVCKWBXHuRKmVpQR4uKtLLdnZzyslYt-edQ2upxX0Usw5c2W4hYI5nGlMog8QdR2nJp9x-cDfIBOXQwPVcGwTRQdVRFrkToksh7nVXzh3zTS0Lq50VoxBArSeYoH1JPy9TAGb5ae-9OUOfe0qy8YXJOIFNHcrC1QgtOUe7in3r6LCVXJvJCrD9kkR4ANx2d88rhmevrL545Kwm90wGS-IumXuBjQPF42N44KWor2Fe6_PSHr41I4AT2ASHTATvtwqsFpKKPibypO59oK1nLpbQZzlAfMRTTBgjku-t7SN78tsf675tC9IR-6J1dte2kIJDfZAclusPDaAaHiXc-kebGCVY1BtqS8zueCiFdCWnfoWxNv-Pw-liwu3WTJQ3bcOn5WZwD9DLTPEBXKyrrnD8_q8B0bR35RIix66liyNFqAhulCx-MiWfic9oPPKrMyJ3wfSOklvErWL6tH3YEM3JNouMmCuyV9t90EYGSg4z6eEkma49RBjDg2JsaAOKdWb6Vw6vN63tLQiNFmTy8uFdSXd3x3Sg--fbdxEHKemjJBy0nLhF2SgSdXQLladiO6GGABf9H6GYiwXOevTXlqiBfd1wcXHC7FzKY8poOYKs26n4FSPJkoYnXpQ9IEUgj9vwChX2Ee_j3M4XZUUggLscObaAlrLtTbXQWMn23mxAB6C_k6AbFgI6zN2V0jJ3peZIYVCF3CS_49vOYRNKW5HMbm9IRMT4QGL2ddbmK6OP-y4LAxML6fPElbFWQkqCAhL4zJPmU5mnKlQ4RVwYYMw9vnE-stiBi5eAGIg1LJ_GwUUXwpY4_bezLUq9m2jM3njPFQHXrTh8gfM6LMqZgvgHLHRzwodFKbNetcgrcurk-UD2mIb_-VRYGpcpM9dwJyTgDKgrhedy_QNwMoHl_zBkMFLbglFpzvVbgf6fYVpV-dbgqSjOXr4JaT6W2hDSR0bg5eRws_7HbkxoIjrZrPv0iLYboNzuKtv_iwbOH1v1CugzxhDe6-VN5RKlI-flazfYAYGP7LZRbNcoekIRoeURIZwHRPz5sxZfdSosKNNpUpRjNCVltx9xA7r-kklSTclMHwjHLGKys9e94ZECgg8tWEqvAEWT7_rnZPOU-Dq1ClG7T1LMjubYI8E2LHyInQtE6NLazkLXArOfQjB0CQkC3QJBZEV305e0q1JjBO-emuBTuloz1h5UdLmg2mQjgiOtso2nG8cBaKOPga16XCtDihxGBpGaI2PsW-2kzIWJ0rmF1UcH6WIcGfj21wCMRJr_4aEURHzfa1fbf4AvNUm6mK_pwGv8z-RJdM1NU-kWPqTo-tBgcf05eEl2zkdLQi_iLpF4VRWL999DZjsADvLVztQgPAc3EP-xWdIt7p35dWLbvcmIlSM6As4NYG4ByzlhxkzL5KXWIdSDgxNyMlFspMMr-cwlhpKsP4_OfOGld2ydpRoMJvTZITOoi7LqXYFfhLdZtqFpVpB77JD76BPkzO3tR0OyJuPPYSGPpgB3kfSnVAOu2KNBqpfD6DYctROWdrpBbS2HIE7DAfi2TMHIK-1wPel6ghSblXxQf7kBmZEaEuN46HTZ5TwbjZU6dIkw4SVnv2ou5JSMX2l4i40tNv3BZR3Qzw2fEvDrveVty40M6-axPt98K9zvNd172c8aGHZsnwLkbmjzVmPa8u_PsFEcYibCIuC87NDjvfChL4B2rUjdvgWprNlFtH5O1f5mjxa2muvyHjLtD06iBjNIv_iMD0Z5KWzlZtsVSQcKNkGGqWhqQe65O7qvmPn46sN4w4VaUsC1-pBplG3s2gK8BmjvKwK6XMym4S0GWLwHjbgVE-KI1xhns749jG5uEsA6kJrqOH83C2N48T-8nrGqEDln5cEbMRzlDbGmNifyBj-LopVvFMS-8TgTyuSNUVt4vWohY0mvmuVBqcNrScEsyxrg-q-6yqmPZgPRzKv45ywEvyg4Gd47peJcKpvTtDwitG4peGGARrRvq9dGZXRz2pAXH2OzFZBl9CT7qfNWtU1jNGTJM80G0l50RQ_gXg-ASfmI2LiX_QfYRq2hneRbNdii91iH3YbEq0AhDoAkX7qPw2oXY1AnlWweFQ0wqP4_t4TWf6f3sBPXpuKugrAbi0BP2rY6zHVW5wEP5gMo6p6JfsybVtF91F80m3JITr8HxgapTD33vSjIJtJC7k6l1FbughS3hKYaYgvTZR3hpNMnJjNlSDDI6dG0dal3lQpksfofH0DPZ_OG5XH1P7700io8D-s30mWmgaVV3J3Rad426ORdHHQreG65bZA0dHdaP06iv9WAhESA_2BI3i6gQvzptwwP_q4GaGdlCkWBbNFQPTkqOJAA4B3oH3HeTfrlbVM6uHfrlNCVyZ0DdLakKl0dO00Pwly1 "System Context diagram for Internet Banking System") ### Container Diagram Source: [C4_Container Diagram Sample - bigbankplc.puml](C4_Container%20Diagram%20Sample%20-%20bigbankplc.puml) ![Container diagram for Internet Banking System](http://www.plantuml.com/plantuml/png/pPLjZzCu4CVVzrECojlssbrWsKFTYZwmEX2zwrrw1n8WD4ccgOLZHxQpfHnyztDSDoJhLjp3eYChhTePpzy__psPFj46bIbptj7lcIXGOGufhR7aPaKVp8IpJEGa32Js7wd6ggt2uYLBpGREXyD6FCSF2z8QCuhOHuApXysaeiIWo3Z1dnsmJsGrIPfTGTTIc7t1kSle3QPooqG6Q-IQEf-RW6WmHltVH2PAoQrNc4ak5ToxS8-BL4fXjAd_-TYnHgDObY95jHkF3tHjXbF4ms23MnWFtEEYKwbIKgVYaTbnWXJrXj9Jb0KfBOLZ37cyyBLxQemmEiNaVQQgy_hSyFB1-QDfY3XyT7zwSNsAnROPAO7ytRU1khYi_aAeoqdrTmfAxxIX_AvPpiukBgVpaEN-xD7rRFXLWxuDr8_kEMrG-E9z3_vubE_4dk3E4YkEJ92wQvm7zo_dyuV_qAB_ZyR80eo4M1eZBH6hB69IT3Oi9T0rH8TJHY85nRADwNowWjPZlw_i8lZK-JJoGsRiCx0V6YxbN_KwTMYCvXhVOcEtODymBkwlEQXjhl6dtTVMbjgK9T_pTmmpd61MvrA6MNKLQwdWcQWaoLWNXRsZ328dtQcx1hfNLxDIMwD8lH5l14mWyLz1hi5i269RseCjCnj_AEGk1fWazbgCxa9ZkAEk1Tgx12Ylzonlkz3y1NC2PxvZMW8lAOP9KN2Me67IiWu68yq-qkEpy_7hvtY3FOWALIal_fYz7Gsgt7WmSAUQ4sSt5j4TI1iha3WtIHX0aRfm3HWVl5fEkj1kP0ktfVWT5aN85x7gKt-96LMS8L-KA5QO7an4Ld9Kjn2NIjwmb3GWvyTvrgLmZOoScHqOQOrsFckuOLYLC5NHGQpaLfCwmguB3BaNCcRy2FBiNWzUOOwAYPEem5dE3AMWorXRLBd-s-WwOC_t82dTi8H2Uf-lpVUZnfrXxZ-tJn3z-W8EcLj7Y8nKfA7Kf41HnhHHQFc0YRLKkMkm7cniNGfOcWqaYb8IXY7NlQhnIMlWChDVo2G_XB0rNUZtPFdiQtqybybxKlKxVQfLlkApizRkTeGkHhk1IAsNp0xC5jxJ_W8PzuF2RRVQ433XPzE29KfgkJRmz4EoiLNanrKNmfz5jnVbo0wHzbPs8x5McDEjyTIy8UJyq5M93TGdRLmKO2nBywMbUlLawe5HA3GwJ_nTdUJqoWVIWnpq--F3Im-FA-ohtpNfzhNzj5ejeo-tr6rNwmB_NMMZvHi2tSu1fwNjPvnDsvYhRjpooVrHxqJIW-VHBpyF0fR6zdUYLx-oe_uHiTy8Kmrh9NCtaxUA6T9WP7i3hp-VpewvPfNxhOxpsX49gqtzAbDfTZlDHROg00gAIir4TembMgoMJPQca7MjtLTDumAjWNVlrU95QDuJgrdc_2y0 "Container diagram for Internet Banking System") ### Component Diagram Source: [C4_Component Diagram Sample - bigbankplc.puml](C4_Component%20Diagram%20Sample%20-%20bigbankplc.puml) ![Component diagram for Internet Banking System - API Application](http://www.plantuml.com/plantuml/png/nPRhRzis4C2_-wyuPC0-9RFpzeh4g1ymrcBPWZZR2hJ5S1BFCbUA54WghhlaVnybognbMLYRj0ZpeHBlSRzxdEgNngAsUIewvWEN6MfCWT4SSs5lwQCT2fx8bAI5cAGblQ6rr9ZznPbTm56ljt6VuiShCWOJcl5F18Udcq9DiKMP289_E-3EpFaaPLSPJPMqtk2eb9W5ChNaCe4v2aETXqr0j1YXUPgJeTPgMNaOAw4q_71MdlAcyBJpDlX_s9NMnKMaSibGhmQ3DLsTeOsurmYmXN5Idl9sf3GZtNO_ioj1mD0iYBLHPgIDafwnmLCvdfOdO3HlHnX_I7IHRoNhzK-EpaTDnDxvyUXisiRYneoqHF7tzu4wwnT_JQZ-iFXhWp8hOodzrYo7XsVzqQJ9SZm-duvx_rkWxmFrStdQ2zHSlEUlJq1vxlAqzInspf5BqjyQv-IuFvcSVcM9dfccMPmqKvAaVGnEhpoxSVgdez6qryGvTwsQz5kByrmq2yu8J0ZM4PIGPA1vih2T-qke7VT-wvJWldD_KNrf1vK4_9VJY_ptBeZMsr7JyNisA1NyrlXxF-iDsvgERxct3NFbHJvXBmfLTIAIpAVMiTmAWd6GCOv9qOsvql1A5j78mWYbQrC2Cn_r08RNhs2OPOB7QBcIdJ1Ai7TvEUFbqpKcjAdqJdQx5uP_eXU7HuEt_-0TcbZpp09A1iuu5wZVNtGBZK6t-yxfmxLMTvoH0HG2x8A0hucYYcYUoxXmZeBR5LW5SMwiIaaRkEDOs70DIueWqcffIF-q1_NbGmCcmte2LohYecIlCx_153MNhP0WUCejCJ1vPCY2ia-0JZr4zG-ZEnxJBleKEzNcbEoJwhbEVaC2VKHOAy0iNb2AMydChD9a83UaGLF2ZTMb8N3f9Y8jd_TXKVwK0SmTghHLVo7Mn8fN56OVC8x9610gSIzaurteBDggExee6bFQ6hX0Las2cfTrZTr5gEa67s2aSXkAwc5KBgrxiXgbmRBwWQlv7vOlR6JgU5j33s_7wtJUEoVXTwQtnenNtwwjtKYasoieJBKIWdIzKLT_Zk66ZFsiiDMWeH1gwHjaYj4nXKCktUFkMVCPxK7zgugcD6po3QjAmInFKvVCeq73McmCzvBR1I0OvrhfLTL6halMqACcQX3jA2V5kUQsmAmiwfIpJ1T5616sRcrz6NMnACHyPMNY9siVuWNwbmoDMIhDml0qwreXDM7RnXkc62EZBoKVmhpK1oMhfgV1SRth3Jm_rTwyuFFJSt0m2DJmeY2z_CEGsIiqGkrBhM3SK0lsXHgBAlaD8OCVOUaa15RLCtmz6Oq_f-RTX03hS1k1wjPlhdxj_d9xUptRTF7GCHaMfZwnDjlNizz_QnW7qv3nrvcdZmwSFYdkIv8iJyL_ "Component diagram for Internet Banking System - API Application") ## Supplementary Diagrams ### System Landscape Diagram Source: [C4_Context Diagram Sample - bigbankplc-landscape.puml](C4_Context%20Diagram%20Sample%20-%20bigbankplc-landscape.puml) ![System Landscape diagram for Internet Banking System](http://www.plantuml.com/plantuml/png/jPPTRzis58Rl_IiEijjuTj8koGh7g9sFhS2o5hE3N2H1S28UIuGbKYFfEkxI_pwIfZGgiZ8KQEahyNoSvxnw8-IzDgZCgiXxUib5YGeBOBJ0LMxcz6GcEKz5GS90GiAGYhBM2iiRpam6XyDXT5_WqnLfZIdD-1U2Wr_YeAB4e4XpWdzwOC_Ca29fDYLTIc6s1OS-eZDaSir52WlCDVM-HbqcIibrw70cSwdWfoD__8thrBwD-t_THJGQFSgLOAWsut55rsJe8Xws1hp0UEkFlvrAnKXrtS_C9YTWg3DY3SeIaoMcRSPEdc-OtoL7IKfBqJ4eTBZqnyTttqujUAeST8WDJzuU7a_RBCFZDzEZoouMQqLI0lE77mDrTE9-RQYJYVjrGUcDDbHyRvQ3WwEJwNcRvStPyUNPy7y5-Z5Gl_hpYa0PPmIw7jRBAIN1GF4qCxtdKsWS-potIV3SUnu5Gun31BOls8V2Qwb3rOvnJf1hx1Esk_lxGDokhNCitXQoPxZ92MRRm1yec4xGqZ6EgLDv8HLCUMf54KieywHNomvxfwUVF0lcFkm-5MShRMH1waxS2PX04Xv1Bi1a18ysRH_Mt6HGXb9_1vWaLd2ZVzw3w6yFTTsXEJScWjiBOKYLYckwtuFuA-4R38CP6Wq-k191fW8F0conyrok_vkimKZup6aDN5Wr2ZHS2a0xnRYTk6fki0ye61Iu92XnKr2rL6rDrBx03WrsRTDDvbTT95uyfd0D2UhCTswx7pMWsT7tebyWhrpW9ymp0Yw2EwvuegIM2mCNJqbcgmWehkYUvf8wjxb2Avp2WdQ9FJDIaGRCyyeZYRse5DeXUIt6VYIvKIWq9YxDFf59NaCDD6tGohmm8_MP9sJXSB7mc7L8Xv1s8VyokAYjtPowoyOFeRuzt7rruEDYqPmxOGKNN1iL910CzAeifJBVIl1e-pz8tzz-iIeUw8zVk17UEPhJQqrwBqhxwyDllyzjCfeguoOOKNidmahR7b75gD-FRH6APYIO3gvoTjunegLLA9tefOQ_LwIT4gxsJWm68ys_qBk3m_7jd78gCodeVZHmb-F1OA_tOhN--SURF-s4rxcgLTogDLHjcqYVTl_NirkB1PwEzEYDGV_wKqTUuBpDE6Caxi_xq8HgXUilQgn2dN0T9RmdmTm_n_y2 "System Landscape diagram for Internet Banking System") ### Deployment Diagram Source: [C4_Deployment](C4_Deployment%20Diagram%20Sample%20-%20bigbankplc.puml) ![Deployment Diagram for Internet Banking System - Live](https://www.plantuml.com/plantuml/svg/0/xLfhRziu5lqU8F-1utveKoJnevasMoJ1-9KcNSSs_DZCx7HWq19jSqk90adbCTlyzxtKmzRJjfoqG85LW5QMxZqyzv2yV8Y_IOM5SYssl_SQ_K9jWxacSGL32wKS-R5S5lZ-U4xLmfswaWY3suhOwjZWLdb03InCtgN48QpSF3dgCsohyKsdR66fY817aoROOseJSUm4PRWs-5g0WTI2e1bdZDzJUuuOM25icoZscWe9Tnn1sOXn0pFs62MAe8WMSHX_r2v16TeWmkOGtH4XARTHzRXoND5lmzZykDO74-1nneNKTwysNjhZ5vFCT43jJlkctHrDBdlmJxFNwGtGgqllyd67wX42dnS77hMRLrqVTdZzxpQgrlHR-PNQ3XROGc26NQP6v47L6PtRdgG6_4D4tF1UOEUMccg1QfLAz8M57sw8b7XEXlHlWgg_LkAEWXWAstD6q7_tzn1SGy0cN3qwv19gtNUg-Q_a0fj-DSymasH_xod15YiynV8beEf2yFiGnwiszEgzT_cFD63EusKvJpcHdfrDkMkRM3nUN2of9ldayA-aYZ_nBlznWmkJYDmNkfaGK4akY1dGUuqw-96xgd3JOHouTkf_zCQZINqu6VwpFMfUHSETOkFhNEX00pxjThlHQaPD5j1HxmLLa0kG4Yx9Q7awq2ws22erkKKDDCIsH3V3qlwUtmgXwtFztzcCwvQfIpeNnBounS86DJ-UbVMB2zGK12jYWhb09fM6AtLVFaGs8QRKgM5Aq1rcrDHM42InpLMSqHuJX3pgzIUjtcqNN1tFdIl5WJNLjGp8AOTE-t8q6Ln_kXeXHcPUDX9qlb1H5rq93RzfKB93cWXy7z-G2OI2vI4Y4uQdX1r4kbdf_3nuMaAnbeWb2losGDGtkc5c8t-npoIqre-9z7Bnf-_qrrbPlxvOGq07Fo0CQs7aWZh5nG3lIKYxUXWYrs8HBBK_BvKEGfDgzCNI3ttKyIsbArQE8iR2VbQ1N-noELzJ3H-AMYwN4Z80kvdWrY4OyaYJ28YdNnsYqj7HHUbWCyWojhLeo_X3sBXu3KWKRq8Npp_5CUCTe9qT7IL8hi5AKrrdj4AFutS9zDaf5xj8cbHqFLXXQNEKZPQoYyHP2c_0t47gDFVMBXBhZ9pMkVKo0kU0ytjx3TMSCBR4I73S54XIm_4k6exxwI37BwDW9hIpXkHu6_Lo41BinWMrw-oYdHxaqo5sNaQz772OJAoXsjb6mLoC1CTEGGq7ksZepP7ISGvUHiGyT3qLMyDsi8sC-I09ceCjT0mdvkYAC8ViicW4_rN6qDZy84Z2wEZF1ONvhVrNwyXx4NSQRt0QPpaDDZWDifmw6vmweTFAhTyU37lTIUDJk0wkd9xKFZGYQ-NVH-r1jzwPf2pVd-g_bUNmZ-6eVHCng5RVdpPQ6L0fotzuruwBxymbeQvZRaSMXB6rdx-4Icy395U3UHQDn68ieKt6wh7ouLtZ_UMwHInv08esPfCVIpslVZDYEAthltKno4UfYFMZg2UQKGRZTyqFbytALgh_MEfvNM5xrSFDcPz6z1NXdqpp5zdJkRqUNKqwxK_jBYH4ICS4oMMm-tkCp8bj-ZiO-tlVpb7iWjyZC4FVuDLPefjU12R8png-JLwVNXg7DH3pIiXouLdwLPI0pR2Cmwwy82m_kAnDeDUepOZU0zrXEEvxp0jipIpJQjR6J0wQjyT0f27ozcM-sA55RX79GYRj1rM0TdfOoEUV2LqmXlNbHKPxhueB1BBix5dySz0ASiyi8bd8hlflmVz5zTygcDOq8vJbldtX2iY0Yz3FmDsf1bhJd3h88Lwa2dAmYqMngGwUjwtSrXljZg2IJDRiCA_PAYwj4A8Bhw0DxeZfUyStZfemejQlk-r1PAf-ykwqrVhr9QVgHlWryaTD1D9XxJAB-Gbe_t_cyeoPoxUpjE0-yhBcl-i4P_cHFljZaR_zaJsY5FYsWU8DEIknRa5aunYtFQDaBivZby4lP_GAfChC-zz9gNLCDWr5tqEgvmrOox1s7LkM0FxmaZaAsDmaB_7zlk9T6PcnNjD_wU_taZEw-dnVjB-66gtEkqow44c12MOGU5PxsWJwOb-DCpY00EdZ2EaXuOrNeueg5gMBMXJFTGNhym7NUhPY4mK3clrLLwa_rK17g4FlY7PFnkam0rfDWyuz5mG_IudVNjS9JiwK3e96auGnzHRrbCwdu7I47VhsxTilwk5KOusdhgrSL7r_N3b1dT5mYP65WnriB0XurRqRDEAMWLKf-G2T7Z_4SFopBc7o10BQet-Dwex3gE5zYzSWd_4TzivO3M5A1_BS_Akf7_S5luFHLgRrcxcszsqRQaezeZiAtkWpZ9Rbgz6eFqHGnB7kQ2659__sALkaG1zpMgb6rD8_2-l41JQOrgddtK05zmMr82UKLi-gDIDV8qYRvXHiMq5Ur7xXgGKOcyF7Q0YYMrY_7IekG29z20xwm9nA9JnhH6reUfPtVuWMtX4TX5sr0BA1zCWGnDG_8S4S8cmOH4h4-5ntBsNif60jhc1jHmLhKGc71DAwMLJ4si-duZIgtZsP-htrPCVUMdjkTmK6u75BfbjsrnPXL1zfz4v8IWNc1WhEPNhM-d6g9qlgvMm7pmd2gs9oP7lAofKMrpoRhbJS8kArHF20wcDfv8uQn8_QWT_NlI62P5otJS6fkGny5R3l1_OtFW2uQU_VCVHWQiSo4aQCMbIV_vBkL48yV9OTNpnJAOwCWAVqqXRuK14dx8MU6QZ1BISUgNxYwW50awR2u9BF5BgbDamTfERaHsvXepVC7IIc0eo92EgwuV_IY9yurtNJN0WexX3TyByfOnXTKa5cFDvoLY9A1-l-v5ThNrThHkiP6e8wVgkestENOH5Nbx7d2GfD5mLXBLjIs7pqqQEmflqHwGP_XKBrkAGFykh3UvhDVs1nvOyd6a5xUQ4LS_7wa2_9gdjmBp9ZLOqHkg6ZLumt50m8DYNoFcDglVJnHX8M-BdLQ2OyQWLSD7xeuTSHc7dp2h3rfZM_mOBEjTZ_0000 "Deployment Diagram for Internet Banking System - Live")