LONDON — Hearing an Indian official talk the other day about Delhi’s booming arms trade and ever-closer relationship with Israel, I had a thought that also struck me while listening to Israeli businessmen in Beijing. The idea may be summed up in three words: It is sustainable.

“Pivot to Asia” is a term that might be applied to Israel. Its trade with China has boomed, reaching more than $8 billion in 2013 from a pittance when diplomatic relations were established in 1992 (the same year as with India). Europe huffs and puffs about the West Bank settlements; Asia does business. India has already bought sea-to-sea missiles, radar for a missile-intercept system and communications equipment from Israel.

Tel Aviv, one of the world’s most attractive cities, has a boom-time purr about it. For all the talk of its isolation — and all the efforts of the Boycott, Divestment and Sanctions (B.D.S.) movement — Israel has an economy as creative as it is successful. Yes, it is sustainable.

Behind its barriers and wall, backed by military might, certain of more or less unswerving American support, technologically innovative and democratically stable, Israel has the power to prolong indefinitely its occupation of the West Bank and its dominion over several million Palestinians. The Jewish state has grown steadily stronger in relation to the Palestinians since 1948. There is no reason to believe this trend will ever be reversed. Holding onto all the land between the Mediterranean and the Jordan River, while continuing to prosper, is feasible. This, after all, is what Israel has already done for almost a half-century.