Hello Everyone, Recently I am doing some work related with wireless routing. I reviewed the code of DSR in ns-2 and noticed that the longest path supported by this protocol is 16, defined by #define MAX_SR_LEN 16 in the hdr_sr.h file.
Maybe I misunderstood something. According to the specification of TCP/IP protocol, the length of IP Option is at most 40 bytes. If each IP address takes 4 bytes in DSR, then at most 10 nodes can be added in the DSR Source Route Option. How can the length of path reach 16 without tampering the data of upper layer, e.g., TCP/UDP? Would somebody correct me if I am wrong? Liu -- Liu Yang Department of Computer Science Stevens Institute of Technology Hoboken, NJ 07030 personal page: http://www.cs.stevens.edu/~lyang
