在Cisco IOS版本12.2时，取消这个例外，并且保证只有在拥塞期间，超出的数据包会被丢弃。
Cisco IOS Software Release 12.2 removes this exception and ensures that non-conforming packets are only dropped if there is congestion.
虽然这些都是例外的案例，但是随着市场的迅猛发展和艺术品价值的增长，更多的艺术品爱好者将会寻求额外的保证，确保他们的艺术品确实属于自己。
Such cases are exceptional, but as the market booms and the value of art increases, more art lovers will look for additional assurances that their art is really theirs.
只要服务请求者能够保证在发送-遗忘交换中可靠地提交登录消息就能满足功能性需求，但是也有例外。
The functional requirements can be satisfied if the service requestor is guaranteed reliable delivery of the logging message in a send-and-forget exchange, but there are exceptions.
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