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Bug #3786

Updated by Junxiao Shi over 7 years ago

**Case 1** Case 1: 

 (1) Topology and route: 

            /a 

        A ------> B 

 1. Machine A expresses Interest sends two interests (i1 and i2) whose names are both /example/testApp/randomData. i1 `/example/testApp/randomData` without Link object. 
 2. A waits for i1 to timeout. 
 3. A delays a short period of time (see below). 
 4. A expresses Interest has no link object, i2 `/example/testApp/randomData` with Link has link object delegating `/example/testApp` to `/a`. delegate /example/testApp to /a. 

 Expected: Interest (2) What happens in the test: 

 i1 always timeouts before i2 is sent out. 

 If the time interval between sending i1 and i2 is smaller than 100ms, i2 will not be forwarded to B.   
 Actual: Interest 

 If the time interval between sending i1 and i2 is not larger than 100ms, i2 will be forwarded to B if step3 delay is less than 100ms. The behavior is as expected if step3 delay is greater than 100ms. B. 


 Case 2: 

 **Case 2** 

 (1) Topology and route: 

            /example        /a 

        C <---------- A ------> B 

 1. Machine A expresses Interest sends two interests (i1 and i2) whose names are both /example/testApp/randomData. i1 `/example/testApp/randomData` without Link object; InterestLifetime is set has no link object, i2 has link object to 1000ms. 
 2. delegate /example/testApp to /a. C doesn't have the corresponding data. The lifetime of i1 is 1s. 


 (2) What happens in the test: 

 i1 always timeouts before i2 is sent out. i1 is forwarded to C. 
 3. C, and C responds Nack-NoRoute sends "NACK: NoRoute"    back to A. 
 4. A waits for 

 If the Nack. 
 5. A delays a short period of time (see below). 
 6. A expresses Interest interval between sending i1 and i2 `/example/testApp/randomData` with Link object delegating `/example/testApp` is smaller than 1s, i2 will be forwarded to `/a`. C. 

 Expected: Interest If the time interval between sending i1 and i2 is larger than 1s, i2 will be forwarded to B.   
 Actual: Interest i2 is forwarded to C if step5 delay is less than 1000ms. The behavior is as expected if step5 delay is greater than 1000ms.

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