Indonesia–Malaysia confrontation of the action occurring in the border area between Indonesia and East Malaysia on the island of Borneo (known as Kalimantan in Indonesia). The conflict was characterised by restrained and isolated ground combat, set within tactics of low-level brinkmanship. Combat was usually conducted by company- or platoon-sized operations on either side of the border. Indonesia's campaign of infiltrations into Borneo sought to exploit the ethnic and religious diversity in Sabah and Sarawak compared to that of Malaya and Singapore, with the intent of unraveling the proposed state of Malaysia. The challenging jungle terrain of Borneo and lack of roads straddling
Brunei–Indonesia relations Indonesia established diplomatic relations with Brunei Darussalam on 1 January 1984. Brunei Darussalam was recognised by Jakarta on independence in 1984, with Indonesia dropping any claims on the Sultanate in the process. Indonesia also supported Brunei membership to ASEAN in 1984. Brunei has been a popular destination for Indonesian workers. As per 31 August 2012, there is around 58,000 Indonesian citizens are staying and working in Brunei. Bilateral trade volume in 2011 reached around US$1.1 billion, coupled with around 3,500 Indonesian products in Brunei's market. In line with Brunei's economic diversication policy, the two countries are seeking to enhance co-operation